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ggnewscale-cited.bib
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@misc{2023,
title = {Study on the Mechanism of Lung Ischemia-Reperfusion Injury Based on Bioinformatics},
year = {2023},
month = jul,
doi = {10.21203/rs.3.rs-3088383/v1},
urldate = {2023-07-19},
abstract = {Objective: lung ischemia-reperfusion injury has always been a research hotspot in the field of lung transplantation. The purpose of this study is tantamount to explore the molecular mechanism, key genes and related signal pathways of ischemia-reperfusion in lung transplantatio...},
howpublished = {https://www.researchsquare.com},
langid = {english},
file = {/home/user1/Dropbox/Papers/2023_Study on the mechanism of lung ischemia-reperfusion injury based on.pdf}
}
@misc{2023a,
title = {Integrated Analysis of Hub Genes and {{miRNA-}} Transcription Factor-Hub Gene Interaction Network in Necrotizing Enterocolitis},
year = {2023},
month = apr,
doi = {10.21203/rs.3.rs-2756663/v1},
urldate = {2023-04-12},
abstract = {Background The aim of this study was to identify hub genes, related transcription factors (TFs) and miRNAs from the miRNA\–TF\–gene interaction network in necrotizing enterocolitis (NEC).Methods Three expression data sets from GEO database that compared NEC w...},
howpublished = {https://www.researchsquare.com},
langid = {english},
file = {/home/user1/Dropbox/Papers/2023_Integrated analysis of hub genes and miRNA- transcription factor-hub gene.pdf}
}
@article{akhilprakash2021,
title = {Dissemination of Multidrug Resistant Bacteria to the Polar Environment - {{Role}} of the Longest Migratory Bird {{Arctic}} Tern ({{Sterna}} Paradisaea)},
author = {Akhil Prakash, E. and Hrom{\'a}dkov{\'a}, Tereza and Jabir, T. and Vipindas, P. V. and Krishnan, K. P. and Mohamed Hatha, A. A. and Briedis, Martins},
year = {2021},
month = dec,
journal = {Science of The Total Environment},
pages = {152727},
issn = {0048-9697},
doi = {10.1016/j.scitotenv.2021.152727},
urldate = {2022-01-03},
abstract = {The ever-increasing prevalence of antibiotic-resistant bacteria, primarily due to the frequent use and misuse of antibiotics, is an issue of serious global concern. Migratory birds have a significant role in dissemination of antibiotic-resistant bacteria (ARB), as they acquire resistant bacteria from reservoirs and transport them to other environments which are relatively less influenced by anthropogenically. We have investigated the prevalence of ARB in a long-distance migratory bird, the Arctic tern (Sterna paradisaea) captured from the Svalbard Archipelago. The birds were tagged with geolocators to track their extraordinary long migration, and the cloacal samples were collected before the migration and after the migration by recapturing the same birds. The tracking of 12 birds revealed that during the annual cycle they underwent a total of 166 stopovers (11--18, mean\,=\,3.8) and recovery points along the Atlantic coast. Twelve major bacterial genera were identified from Arctic tern cloacal samples, which are dominated by Staphylococcus spp. and Aerococcus spp. The bacterial isolates showed resistance against 16 antibiotics (before migration) and 17 antibiotics (after migration) out of 17 antibiotics tested. Resistance to {$\beta$}-lactam and quinolone class of antibiotics were frequent among the bacteria. The study highlights the potential role of Arctic tern in the dissemination of multidrug resistant bacteria across far and wide destinations, especially to the polar environments.},
langid = {english},
keywords = {Antibiotic resistance,Arctic,Arctic tern,Bacteria,Bird migration,Wildlife}
}
@article{aminitabrizi2020,
title = {Controls on {{Soil Organic Matter Degradation}} and {{Subsequent Greenhouse Gas Emissions Across}} a {{Permafrost Thaw Gradient}} in {{Northern Sweden}}},
author = {AminiTabrizi, Roya and Wilson, Rachel M. and Fudyma, Jane D. and Hodgkins, Suzanne B. and Heyman, Heino M. and Rich, Virginia I. and Saleska, Scott R. and Chanton, Jeffrey P. and Tfaily, Malak M.},
year = {2020},
journal = {Front. Earth Sci.},
volume = {8},
publisher = {Frontiers},
issn = {2296-6463},
doi = {10.3389/feart.2020.557961},
urldate = {2021-03-03},
abstract = {Warming-induced permafrost thaw could enhance microbial decomposition of previously stored soil organic matter (SOM) to carbon dioxide (CO2) and methane (CH4), one of the most significant potential feedbacks from terrestrial ecosystems to the atmosphere in a changing climate. The environmental parameters regulating microbe-organic matter interactions and greenhouse gas (GHG) emissions in permafrost peatlands are however still largely unknown. The objective of this work is to understand controls on SOM degradation and its impact on GHG emissions across the Stordalen Mire, a thawing peat plateau in Northern Sweden. Here, we applied high-resolution mass spectrometry to characterize SOM molecular composition in peat soil samples from the active layers of a Sphagnum-dominated bog and rich fen sites in the Mire. Microbe-organic matter interactions and GHG emissions across the thaw gradient were controlled by aboveground vegetation and soil pH. An increasingly high abundance of reduced organic compounds experiencing greater humification rates due to enhanced microbial activity were observed with increasing thaw, in parallel with higher CH4 and CO2 emissions. Bog SOM however contained more Sphagnum-derived phenolics, simple carbohydrates, and organic- acids. The low degradation of bog SOM by microbial communities, the enhanced SOM transformation by potentially abiotic mechanisms, and the accumulation of simple carbohydrates in the bog sites could be attributed in part to the low pH conditions of the system associated with Sphagnum mosses. We show that Gibbs free energy of C half reactions based on C oxidation state for OM can be used as a quantifiable measure for OM decomposability and quality to enhance current biogeochemical models to predict C decomposition rates. We found a direct association between OM chemical diversity and {$\delta$}13C-CH4 in peat porewater; where higher substrate diversity was positively correlated with enriched {$\delta$}13C-CH4 in fen sites. Oxidized sulfur-containing compounds, produced by Sphagnum, were further hypothesized to control GHG emissions by acting as electron acceptors for a sulfate-reducing electron transport chain, inhibiting methanogenesis in peat bogs. These results suggest that warming-induced permafrost thaw might increase organic matter lability, in subset of sites that become wetlands, and shift biogeochemical processes toward faster decomposition with an increasing proportion of Creleased as CH4.},
langid = {english},
keywords = {bog,fen,Mass Spectrometry,Peatlands,Permafrost,soil organic matter,Sphagnum},
file = {/home/user1/Dropbox/Papers/AminiTabrizi et al_2020_Controls on Soil Organic Matter Degradation and Subsequent Greenhouse Gas_.pdf}
}
@article{anbo,
title = {A Bittersweet Fate: Detection of Serotype Switching in {{Pseudomonas}} Aeruginosa},
shorttitle = {A Bittersweet Fate},
author = {Anbo, Mikkel and Jelsbak, LarsYR 2023},
journal = {Microbial Genomics},
volume = {9},
number = {1},
pages = {000919},
publisher = {Microbiology Society,},
issn = {2057-5858,},
doi = {10.1099/mgen.0.000919},
urldate = {2023-01-15},
abstract = {High-risk clone types in Pseudomonas aeruginosa are problematic global multidrug-resistant clones. However, apart from their ability to resist antimicrobial treatment, not much is known about what sets these clones apart from the multitude of other clones. In high-risk clone ST111, it has previously been shown that replacement of the native serotype biosynthetic gene cluster (O4) by a different gene cluster (O12) by horizontal gene transfer and recombination may have contributed to the global success of this clone. However, the extent to which isolates undergo this type of serotype switching has not been adequately explored in P. aeruginosa . In the present study, a bioinformatics tool has been developed and utilized to provide a first estimate of serotype switching in groups of multidrug resistant (MDR) clinical isolates. The tool detects serotype switching by analysis of core-genome phylogeny and in silico serotype. Analysis of a national survey of MDR isolates found a prevalence of 3.9{$\mkern1mu\%$} of serotype-switched isolates in high-risk clone types ST111, ST244 and ST253. A global survey of MDR isolates was additionally analysed, and it was found that 2.3{$\mkern1mu\%$} of isolates had undergone a serotype switch. To further understand this process, we determined the exact boundaries of the horizontally transferred serotype O12 island. We found that the size of the serotype island correlates with the clone type of the receiving isolate and additionally we found intra-clone type variations in size and boundaries. This suggests multiple serotype switch events. Moreover, we found that the housekeeping gene gyrA is co-transferred with the O12 serotype island, which prompted us to analyse this allele for all serotype O12 isolates. We found that 95{$\mkern1mu\%$} of ST111 O12 isolates had a resistant gyrA allele and 86{$\mkern1mu\%$} of all O12 isolates had a resistant gyrA allele. The rates of resistant gyrA alleles in isolates with other prevalent serotypes are all lower. Together, these results show that the transfer and acquisition of serotype O12 in high-risk clone ST111 has happened multiple times and may be facilitated by multiple donors, which clearly suggests a strong selection pressure for this process. However, gyrA-mediated antibiotic resistance may not be the only evolutionary driver.,}
}
@article{baker2023,
title = {Effects of {{Phycosphere Bacteria}} on {{Their Algal Host Are Host Species-Specific}} and {{Not Phylogenetically Conserved}}},
author = {Baker, Dylan and Lauer, James and Ortega, Anna and Jackrel, Sara L. and Denef, Vincent J.},
year = {2023},
month = jan,
journal = {Microorganisms},
volume = {11},
number = {1},
pages = {62},
publisher = {Multidisciplinary Digital Publishing Institute},
issn = {2076-2607},
doi = {10.3390/microorganisms11010062},
urldate = {2022-12-28},
abstract = {Phytoplankton is fundamental to life on Earth. Their productivity is influenced by the microbial communities residing in the phycosphere surrounding algal cells. Expanding our knowledge on how algal-bacterial interactions affect algal growth to more hosts and bacteria can help elucidate general principles of algal-host interactions. Here, we isolated 368 bacterial strains from phycosphere communities, right after phycosphere recruitment from pond water and after a month of lab cultivation and examined their impacts on growth of five green algal species. We isolated both abundant and rare phycosphere members, representing 18.4\% of the source communities. Positive and neutral effects predominated over negative effects on host growth. The proportion of each effect type and whether the day of isolation mattered varied by host species. Bacteria affected algal carrying capacity more than growth rate, suggesting that nutrient remineralization and toxic byproduct metabolism may be a dominant mechanism. Across-host algal fitness assays indicated host-specific growth effects of our isolates. We observed no phylogenetic conservation of the effect on host growth among bacterial isolates. Even isolates with the same ASV had divergent effects on host growth. Our results emphasize highly specific host-bacterial interactions in the phycosphere and raise questions as to which mechanisms mediate these interactions.},
copyright = {http://creativecommons.org/licenses/by/3.0/},
langid = {english},
keywords = {cultivation-dependent,host fitness,host specificity,microbiome,phytoplankton},
file = {/home/user1/Dropbox/Papers/Baker et al_2023_Effects of Phycosphere Bacteria on Their Algal Host Are Host Species-Specific.pdf}
}
@article{baumgarten2023,
title = {Pan-{{European}} Study of Genotypes and Phenotypes in the {{Arabidopsis}} Relative {{Cardamine}} Hirsuta Reveals How Adaptation, Demography, and Development Shape Diversity Patterns},
author = {Baumgarten, Lukas and Pieper, Bjorn and Song, Baoxing and Mane, S{\'e}bastien and Lempe, Janne and Lamb, Jonathan and Cooke, Elizabeth L. and Srivastava, Rachita and Str{\"u}tt, Stefan and {\v Z}anko, Danijela and Casimiro, Pedro GP and Hallab, Asis and Cartolano, Maria and Tattersall, Alexander D. and Huettel, Bruno and Filatov, Dmitry A. and Pavlidis, Pavlos and Neuffer, Barbara and Bazakos, Christos and Schaefer, Hanno and Mott, Richard and Gan, Xiangchao and {Alonso-Blanco}, Carlos and Laurent, Stefan and Tsiantis, Miltos},
year = {2023},
month = jul,
journal = {PLOS Biology},
volume = {21},
number = {7},
pages = {e3002191},
publisher = {Public Library of Science},
issn = {1545-7885},
doi = {10.1371/journal.pbio.3002191},
urldate = {2023-07-24},
abstract = {We study natural DNA polymorphisms and associated phenotypes in the Arabidopsis relative Cardamine hirsuta. We observed strong genetic differentiation among several ancestry groups and broader distribution of Iberian relict strains in European C. hirsuta compared to Arabidopsis. We found synchronization between vegetative and reproductive development and a pervasive role for heterochronic pathways in shaping C. hirsuta natural variation. A single, fast-cycling ChFRIGIDA allele evolved adaptively allowing range expansion from glacial refugia, unlike Arabidopsis where multiple FRIGIDA haplotypes were involved. The Azores islands, where Arabidopsis is scarce, are a hotspot for C. hirsuta diversity. We identified a quantitative trait locus (QTL) in the heterochronic SPL9 transcription factor as a determinant of an Azorean morphotype. This QTL shows evidence for positive selection, and its distribution mirrors a climate gradient that broadly shaped the Azorean flora. Overall, we establish a framework to explore how the interplay of adaptation, demography, and development shaped diversity patterns of 2 related plant species.},
langid = {english},
keywords = {Alleles,Arabidopsis thaliana,Europe,Gene mapping,Genomics,Leaves,Quantitative trait loci,Single nucleotide polymorphisms},
file = {/home/user1/Dropbox/Papers/Baumgarten et al_2023_Pan-European study of genotypes and phenotypes in the Arabidopsis relative.pdf}
}
@article{bosch2024,
title = {Decomposition of {{Fomes}} Fomentatius Fruiting Bodies -- Transition of Healthy Living Fungus into a Decayed Bacteria-Rich Habitat Is Primarily Driven by {{Arthropoda}}},
author = {Bosch, Jason and Dobbler, Priscila Thiago and V{\v e}trovsk{\'y}, Tom{\'a}{\v s} and , Vojt{\v e}chTl{\'a}skal and Baldrian, Petr and Brabcov{\'a}, Vendula},
year = {2024},
month = mar,
journal = {FEMS Microbiology Ecology},
pages = {fiae044},
issn = {0168-6496},
doi = {10.1093/femsec/fiae044},
urldate = {2024-04-05},
abstract = {Fomes fomentarius is a widespread, wood-rotting fungus of temperate, broadleaved forests. Although the fruiting bodies of F. fomentarius persist for multiple years, little is known about its associated microbiome or how these recalcitrant structures are ultimately decomposed. Here we used metagenomics and metatranscriptomics to analyse the microbial community associated with healthy living and decomposing F. fomentarius fruiting bodies to assess the functional potential of the fruiting body-associated microbiome and to determine the main players involved in fruiting body decomposition. F. fomentarius sequences in the metagenomes were replaced by bacterial sequences as the fruiting body decomposed. Most CAZymes expressed in decomposing fruiting bodies targeted components of the fungal cell wall with almost all chitin-targeting sequences, plus a high proportion of beta-glucan-targeting sequences, belonging to Arthropoda. We suggest that decomposing fruiting bodies of F. fomentarius represent a habitat rich in bacteria, while its decomposition is primarily driven by Arthropoda. Decomposing fruiting bodies thus represent a specific habitat supporting both microorganisms and microfauna.},
file = {/home/user1/Dropbox/Papers/Bosch et al_2024_Decomposition of Fomes fomentatius fruiting bodies – transition of healthy.pdf}
}
@article{botero2023,
title = {A Phylogenomic and Comparative Genomic Analysis of {{Commensalibacter}}, a Versatile Insect Symbiont},
author = {Botero, Juliana and Sombolestani, Atena Sadat and Cnockaert, Margo and Peeters, Charlotte and Borremans, Wim and De Vuyst, Luc and Vereecken, Nicolas J. and Michez, Denis and Smagghe, Guy and {Bonilla-Rosso}, German and Engel, Philipp and Vandamme, Peter},
year = {2023},
month = apr,
journal = {Animal Microbiome},
volume = {5},
number = {1},
pages = {25},
issn = {2524-4671},
doi = {10.1186/s42523-023-00248-6},
urldate = {2023-05-02},
abstract = {To understand mechanisms of adaptation and plasticity of pollinators and other insects a better understanding of diversity and function of their key symbionts is required. Commensalibacter is a genus of acetic acid bacterial symbionts in the gut of honey bees and other insect species, yet little information is available on the diversity and function of Commensalibacter bacteria. In the present study, whole-genome sequences of 12 Commensalibacter isolates from bumble bees, butterflies, Asian hornets and rowan berries were determined, and publicly available genome assemblies of 14 Commensalibacter strains were used in a phylogenomic and comparative genomic analysis.},
keywords = {Asian hornet,Bumble bee,Butterfly,Commensalibacter,Functional genomics,Insect symbiont,Phylogenomics,Western honey bee},
file = {/home/user1/Dropbox/Papers/Botero et al_2023_A phylogenomic and comparative genomic analysis of Commensalibacter, a.pdf}
}
@article{botero2024,
title = {A Comparative Genomic Analysis of {{{\emph{Fructobacillus}}}}{\emph{ Evanidus}} Sp. Nov. from Bumble Bees},
author = {Botero, Juliana and Peeters, Charlotte and De Canck, Evelien and Laureys, David and Wieme, Anneleen D. and Cleenwerck, Ilse and Depoorter, Eliza and Praet, Jessy and Michez, Denis and Smagghe, Guy and Vandamme, Peter},
year = {2024},
month = mar,
journal = {Systematic and Applied Microbiology},
pages = {126505},
issn = {0723-2020},
doi = {10.1016/j.syapm.2024.126505},
urldate = {2024-03-29},
abstract = {The increase in studies on bee microbiomes is prompted by concerns over global pollinator declines. Bumble bees host core and non-core microbiota which may contribute to increased lifetime fitness. The presence of Fructobacillus in the gut microbiomes of bumble bee workers, or the replacement of core symbionts with Fructobacillus bacteria, has been considered a marker of dysbiosis. A phylogenomic analysis and functional genomic characterization of the genomes of 21 Fructobacillus isolates from bumble bees demonstrated that they represented four species, i.e. Fructobacillus cardui, Fructobacillus fructosus, Fructobacillus tropaeoli, and the novel species Fructobacillus evanidus sp. Nov. Our results confirmed and substantiated the presence of two phylogenetically and functionally distinct Fructobacillus species clades that differ in genome size, percentage G\,+\,C content, the number of coding DNA sequences and metabolic characteristics. Clade 1 and clade 2 species differed in amino acid and, to a lesser extent, in carbohydrate metabolism, with F. evanidus and F. tropaeoli genomes featuring a higher number of complete metabolic pathways. While Fructobacillus genomes encoded genes that allow adhesion, biofilm formation, antibacterial activity and detoxification, other bacteria isolated from the bumble bee gut appeared better equipped to co-exist with the bumble bee host. The isolation and identification of multiple Fructobacillus species from several bumble bee gut samples in the present study also argued against a specific partnership between Fructobacillus species and their bumble bee hosts.},
keywords = {Bumble bees,Comparative genomic analysis,Metabolic differences,Phylogenomics}
}
@article{boys2023,
title = {Structural Homology Screens Reveal Host-Derived Poxvirus Protein Families Impacting Inflammasome Activity},
author = {Boys, Ian N. and Johnson, Alex G. and Quinlan, Meghan R. and Kranzusch, Philip J. and Elde, Nels C.},
year = {2023},
month = aug,
journal = {Cell Reports},
volume = {42},
number = {8},
pages = {112878},
issn = {2211-1247},
doi = {10.1016/j.celrep.2023.112878},
urldate = {2023-07-30},
abstract = {Viruses acquire host genes via horizontal transfer and can express them to manipulate host biology during infections. Some homologs retain sequence identity, but evolutionary divergence can obscure host origins. We use structural modeling to compare vaccinia virus proteins with metazoan proteomes. We identify vaccinia A47L as a homolog of gasdermins, the executioners of pyroptosis. An X-ray crystal structure of A47 confirms this homology, and cell-based assays reveal that A47 interferes with caspase function. We also identify vaccinia C1L as the product of a cryptic gene fusion event coupling a Bcl-2-related fold with a pyrin domain. C1 associates with components of the inflammasome, a cytosolic innate immune sensor involved in pyroptosis, yet paradoxically enhances inflammasome activity, suggesting differential modulation during infections. Our findings demonstrate the increasing power of structural homology screens to reveal proteins with unique combinations of domains that viruses capture from host genes and combine in unique ways.},
langid = {english},
keywords = {AlphaFold,divergence,evolution,gasdermin,homology,inflammasome,poxvirus,pyroptosis,vaccinia,virus},
file = {/home/user1/Dropbox/Papers/Boys et al_2023_Structural homology screens reveal host-derived poxvirus protein families.pdf}
}
@misc{boys2023a,
title = {Structural Homology Screens Reveal Poxvirus-Encoded Proteins Impacting Inflammasome-Mediated Defenses},
author = {Boys, Ian N. and Johnson, Alex G. and Quinlan, Meghan and Kranzusch, Philip J. and Elde, Nels C.},
year = {2023},
month = feb,
primaryclass = {New Results},
pages = {2023.02.26.529821},
publisher = {bioRxiv},
doi = {10.1101/2023.02.26.529821},
urldate = {2023-03-02},
abstract = {Viruses acquire host genes via horizontal gene transfer and can express them to manipulate host biology during infections. Some viral and host homologs retain sequence identity, but evolutionary divergence can obscure host origins. We used structural modeling to compare vaccinia virus proteins with metazoan proteomes. We identified vaccinia A47L as a homolog of gasdermins, the executioners of pyroptosis. An X-ray crystal structure of A47 confirmed this homology and cell-based assays revealed that A47 inhibits pyroptosis. We also identified vaccinia C1L as the product of a cryptic gene fusion event coupling a Bcl-2 related fold with a pyrin domain. C1 associates with components of the inflammasome, a cytosolic innate immune sensor involved in pyroptosis, yet paradoxically enhances inflammasome activity, suggesting a benefit to poxvirus replication in some circumstances. Our findings demonstrate the potential of structural homology screens to reveal genes that viruses capture from hosts and repurpose to benefit viral fitness.},
archiveprefix = {bioRxiv},
chapter = {New Results},
copyright = {{\copyright} 2023, Posted by Cold Spring Harbor Laboratory. This pre-print is available under a Creative Commons License (Attribution 4.0 International), CC BY 4.0, as described at http://creativecommons.org/licenses/by/4.0/},
langid = {english},
file = {/home/user1/Dropbox/Papers/Boys et al_2023_Structural homology screens reveal poxvirus-encoded proteins impacting.pdf}
}
@article{bruns2024,
title = {A Wandering Wedgefish Illustrates the Need for Cooperative Elasmobranch Conservation in the {{Arabian Gulf}}},
author = {Bruns, Stephan and Al Hameli, Shamsa and Sulanke, Erik and Henderson, Aaron C.},
year = {2024},
month = mar,
journal = {Environ Biol Fish},
issn = {1573-5133},
doi = {10.1007/s10641-024-01531-4},
urldate = {2024-03-09},
abstract = {The smoothnose wedgefish Rhynchobatus laevis, a shark-like ray classified as Critically Endangered by the International Union for Conservation of Nature, has received limited research attention. To address the knowledge gaps in its spatial behaviour, this study utilised satellite monitoring of a fortuitously captured female over a 51-day period in the Arabian Gulf. Based on the resulting movement track, the individual covered a minimum distance of 712~km, traversing the exclusive economic zones of three different countries. Its track began in the United Arab Emirates, from where it headed north, entering Iranian waters, where it spent most of its time, before continuing westward across the Gulf and eventually reaching Qatari waters. Novel insights into its behaviour revealed an observation of rapid ascents over the study period. Although both diurnal and nocturnal ascents were observed, they occurred predominantly during nocturnal periods. Contrary to the prevailing belief that wedgefish are bottom-associated, the study animal spent a considerable amount of time in the water column. The use of various depths in both nearshore and offshore waters highlights elevated susceptibility to multiple types of fishing gear. This underscores the need for an international cooperative approach to the management and conservation of shark-like rays in the Arabian Gulf.},
langid = {english},
keywords = {Chondrichthyes,Critically endangered,Fisheries,Management,Middle East,Spatial ecology},
file = {/home/user1/Dropbox/Papers/Bruns et al_2024_A wandering wedgefish illustrates the need for cooperative elasmobranch.pdf}
}
@article{buitendijk2023,
title = {Timing and Intensity of Goose Grazing: {{Implications}} for Grass Height and First Harvest},
shorttitle = {Timing and Intensity of Goose Grazing},
author = {Buitendijk, Nelleke H. and Nolet, Bart A.},
year = {2023},
month = nov,
journal = {Agriculture, Ecosystems \& Environment},
volume = {357},
pages = {108681},
issn = {0167-8809},
doi = {10.1016/j.agee.2023.108681},
urldate = {2023-07-25},
abstract = {Grazing birds like geese can have a big impact on agricultural land, potentially causing damage to crops. Their exploitation of agricultural land varies within and between seasons, and these temporal grazing patterns can be influenced by management. Furthermore, management practices using scaring and accommodation aim to influence local grazing pressures. To achieve efficient goose management we need a good understanding of the effects of timing and intensity of grazing on grass development and subsequent yield loss. We performed an exclosure study on twelve fields in Friesland (Frysl{\^a}n), the Netherlands to study the effect of grazing on grass development and potential yield loss. Grazing was prevented either from November or from early April until farmers anticipated their first harvest. Every two weeks we measured grass height and calculated growth in exclosures and in ungrazed plots, and performed dropping counts. The results show that the difference in grass height between grazed and ungrazed plots increases with grazing pressure, but less so for higher grazing pressures. We also find that both winter and spring grazing can result in a larger difference in grass height between grazed and ungrazed plots, and grazing into the growing season delays the start of grass growth. This appears due to the relationship between grass height and growth rate. Because the optimal height for growth increases over the season, spring grazing has a much larger impact on grassland yields than winter grazing. Overall these results show that the amount of yield loss depends on different aspects of grazing, most prominently the recovery time, duration and grazing intensity. We hypothesize that barnacle geese may select fields with denser swards and may stimulate sward density by frequent grazing throughout winter and early spring as well as across consecutive years. Future studies should look into the effect of harvest delays and sward density on the size and quality of yield across the season and especially at the last cut. Management with scaring and accommodation may be able to reduce overall yield losses, but the effect may depend on the timing and location of scaring.},
langid = {english},
keywords = {Agricultural damage,Goose management,Grass growth,Grazing pressure,Herbivore farmer conflict,Yield loss},
file = {/home/user1/Dropbox/Papers/Buitendijk_Nolet_2023_Timing and intensity of goose grazing.pdf}
}
@article{camacho2024,
title = {Mechanisms Preventing Animals to Achieve Buoyant Flight},
author = {Camacho, Luis F. and {\'A}vila, Jos{\'e} E. and {Fl{\'o}rez-V}, Camilo},
year = {2024},
month = mar,
journal = {Journal of Natural History},
volume = {58},
number = {9-12},
pages = {440--448},
publisher = {Taylor \& Francis},
issn = {0022-2933},
doi = {10.1080/00222933.2024.2322178},
urldate = {2024-03-29},
abstract = {In the 300-million-year evolutionary history of animal flight, fliers have universally evolved to exploit the physical principle of drag, whereby an animal uses wings to achieve lift. However, the treehopper Oeda -- an Amazonian insect exhibiting a grotesquely large balloon-like thorax -- has been described in what may be the only account of an animal engaging in buoyant flight, whereby an animal fills body cavities with low-density air to float, akin to a hot-air balloon. We use Oeda as a study system to conduct a theoretical analysis exploring the biomechanics of buoyant flight and the mechanisms preventing its widespread occurrence in animals. We show that not even an organism with the unique and disproportionate dimensions of Oeda can buoy more than 1\% of its body weight. Instead, our results suggest Oeda's bloated thorax is a hindrance for flight that has selected for larger wings to compensate for the species' disproportionate dimensions. Our analysis illustrates that animals may only achieve buoyant flight by filling cavities thousands of times larger than the body with heated low-density biogases. Still, the evolution of such traits is likely restricted by a variety of developmental and ecological factors that have prevented animals from evolving buoyant flight. Whether any animal has evolved the means to conquer buoyant flight remains to be found in nature.},
keywords = {Flying,insect,lift,locomotion,Membracidae,Oeda},
file = {/home/user1/Dropbox/Papers/Camacho et al_2024_Mechanisms preventing animals to achieve buoyant flight.pdf}
}
@article{carey2023,
title = {Global Diversity and Antimicrobial Resistance of Typhoid Fever Pathogens: {{Insights}} from a Meta-Analysis of 13,000 {{Salmonella Typhi}} Genomes},
shorttitle = {Global Diversity and Antimicrobial Resistance of Typhoid Fever Pathogens},
author = {Carey, Megan E and Dyson, Zoe A and Ingle, Danielle J and Amir, Afreenish and Aworh, Mabel K and Chattaway, Marie Anne and Chew, Ka Lip and Crump, John A and Feasey, Nicholas A and Howden, Benjamin P and Keddy, Karen H and Maes, Mailis and Parry, Christopher M and Van Puyvelde, Sandra and Webb, Hattie E and Afolayan, Ayorinde Oluwatobiloba and Alexander, Anna P and Anandan, Shalini and Andrews, Jason R and Ashton, Philip M and Basnyat, Buddha and Bavdekar, Ashish and Bogoch, Isaac I and Clemens, John D and Da Silva, Kesia Esther and De, Anuradha and De Ligt, Joep and Diaz Guevara, Paula Lucia and Dolecek, Christiane and Dutta, Shanta and Ehlers, Marthie M and Francois Watkins, Louise and Garrett, Denise O and Godbole, Gauri and Gordon, Melita A and Greenhill, Andrew R and Griffin, Chelsey and Gupta, Madhu and Hendriksen, Rene S and Heyderman, Robert S and Hooda, Yogesh and Hormazabal, Juan Carlos and Ikhimiukor, Odion O and Iqbal, Junaid and Jacob, Jobin John and Jenkins, Claire and Jinka, Dasaratha Ramaiah and John, Jacob and Kang, Gagandeep and Kanteh, Abdoulie and Kapil, Arti and Karkey, Abhilasha and Kariuki, Samuel and Kingsley, Robert A and Koshy, Roshine Mary and Lauer, Ac and Levine, Myron M and Lingegowda, Ravikumar Kadahalli and Luby, Stephen P and Mackenzie, Grant Austin and Mashe, Tapfumanei and Msefula, Chisomo and Mutreja, Ankur and Nagaraj, Geetha and Nagaraj, Savitha and Nair, Satheesh and Naseri, Take K and {Nimarota-Brown}, Susana and Njamkepo, Elisabeth and Okeke, Iruka N and Perumal, Sulochana Putli Bai and Pollard, Andrew J and Pragasam, Agila Kumari and Qadri, Firdausi and Qamar, Farah N and Rahman, Sadia Isfat Ara and Rambocus, Savitra Devi and Rasko, David A and Ray, Pallab and {Robins-Browne}, Roy and {Rongsen-Chandola}, Temsunaro and Rutanga, Jean Pierre and Saha, Samir K and Saha, Senjuti and Saigal, Karnika and Sajib, Mohammad Saiful Islam and Seidman, Jessica C and Shakya, Jivan and Shamanna, Varun and Shastri, Jayanthi and Shrestha, Rajeev and Sia, Sonia and Sikorski, Michael J and Singh, Ashita and Smith, Anthony M and Tagg, Kaitlin A and Tamrakar, Dipesh and Tanmoy, Arif Mohammed and Thomas, Maria and Thomas, Mathew S and Thomsen, Robert and Thomson, Nicholas R and Tupua, Siaosi and Vaidya, Krista and Valcanis, Mary and Veeraraghavan, Balaji and Weill, Fran{\c c}ois-Xavier and Wright, Jackie and Dougan, Gordon and Argim{\'o}n, Silvia and Keane, Jacqueline A and Aanensen, David M and Baker, Stephen and Holt, Kathryn E and {Global Typhoid Genomics Consortium Group Authorship}},
year = {2023},
month = sep,
journal = {eLife},
volume = {12},
pages = {e85867},
issn = {2050-084X},
doi = {10.7554/eLife.85867},
urldate = {2023-09-19},
abstract = {Background: The Global Typhoid Genomics Consortium was established to bring together the typhoid research community to aggregate and analyse Salmonella enterica serovar Typhi (Typhi) genomic data to inform public health action. This analysis, which marks 22 years since the publication of the first Typhi genome, represents the largest Typhi genome sequence collection to date (n=13,000). Methods: This is a meta-\-analysis of global genotype and antimicrobial resistance (AMR) determinants extracted from previously sequenced genome data and analysed using consistent methods implemented in open analysis platforms GenoTyphi and Pathogenwatch.},
langid = {english},
keywords = {antimicrobial resistance,genomics,typhoid conjugate vaccine,typhoid fever},
file = {/home/user1/Dropbox/Papers/Carey et al_2023_Global diversity and antimicrobial resistance of typhoid fever pathogens.pdf;/home/user1/Zotero/storage/T5IUTZXW/Carey et al. - 2023 - Global diversity and antimicrobial resistance of t.pdf}
}
@article{chen2022,
title = {The {{E3}} Ubiquitin Ligase {{WWP2}} Regulates Pro-Fibrogenic Monocyte Infiltration and Activity in Heart Fibrosis},
author = {Chen, Huimei and Chew, Gabriel and Devapragash, Nithya and Loh, Jui Zhi and Huang, Kevin Y. and Guo, Jing and Liu, Shiyang and Tan, Elisabeth Li Sa and Chen, Shuang and Tee, Nicole Gui Zhen and Mia, Masum M. and Singh, Manvendra K. and Zhang, Aihua and Behmoaras, Jacques and Petretto, Enrico},
year = {2022},
month = nov,
journal = {Nat Commun},
volume = {13},
number = {1},
pages = {7375},
publisher = {Nature Publishing Group},
issn = {2041-1723},
doi = {10.1038/s41467-022-34971-6},
urldate = {2022-12-03},
abstract = {Non-ischemic cardiomyopathy (NICM) can cause left ventricular dysfunction through interstitial fibrosis, which corresponds to the failure of cardiac tissue remodeling. Recent evidence implicates monocytes/macrophages in the etiopathology of cardiac fibrosis, but giving their heterogeneity and the antagonizing roles of macrophage subtypes in fibrosis, targeting these cells has been challenging. Here we focus on WWP2, an E3 ubiquitin ligase that acts as a positive genetic regulator of human and murine cardiac fibrosis, and show that myeloid specific deletion of WWP2 reduces cardiac fibrosis in hypertension-induced NICM. By using single cell RNA sequencing analysis of immune cells in the same model, we establish the functional heterogeneity of macrophages and define an early pro-fibrogenic phase of NICM that is driven by Ccl5-expressing Ly6chigh monocytes. Among cardiac macrophage subtypes, WWP2 dysfunction primarily affects Ly6chigh monocytes via modulating Ccl5, and consequentially macrophage infiltration and activation, which contributes to reduced myofibroblast trans-differentiation. WWP2 interacts with transcription factor IRF7, promoting its non-degradative mono-ubiquitination, nuclear translocation and transcriptional activity, leading to upregulation of Ccl5 at transcriptional level. We identify a pro-fibrogenic macrophage subtype in non-ischemic cardiomyopathy, and demonstrate that WWP2 is a key regulator of IRF7-mediated Ccl5/Ly6chigh monocyte axis in heart fibrosis.},
copyright = {2022 The Author(s)},
langid = {english},
keywords = {Cardiomyopathies,Gene regulation in immune cells,Monocytes and macrophages,Ubiquitylation},
file = {/home/user1/Dropbox/Papers/Chen et al_2022_The E3 ubiquitin ligase WWP2 regulates pro-fibrogenic monocyte infiltration and.pdf}
}
@article{chen2024,
title = {Network Pharmacology to Unveil the Mechanism of Suanzaoren Decoction in the Treatment of Alzheimer's with Diabetes},
author = {Chen, Tao and Lei, Yining and Li, Manqin and Liu, Xinran and Zhang, Lu and Cai, Fei and Gong, Xiaoming and Zhang, Ruyi},
year = {2024},
month = jan,
journal = {Hereditas},
volume = {161},
number = {1},
pages = {2},
issn = {1601-5223},
doi = {10.1186/s41065-023-00301-z},
abstract = {BACKGROUND: Suanzaoren Decoction (SZRD), a well-known formula from traditional Chinese medicine, has been shown to have reasonable cognitive effects while relaxing and alleviating insomnia. Several studies have demonstrated significant therapeutic effects of SZRD on diabetes and Alzheimer's disease (AD). However, the active ingredients and probable processes of SZRD in treating Alzheimer's with diabetes are unknown. This study aims to preliminarily elucidate the potential mechanisms and potential active ingredients of SZRD in the treatment of Alzheimer's with diabetes. METHODS: The main components and corresponding protein targets of SZRD were searched on the TCMSP database. Differential gene expression analysis for diabetes and Alzheimer's disease was conducted using the Gene Expression Omnibus database, with supplementation from OMIM and genecards databases for differentially expressed genes. The drug-compound-target-disease network was constructed using Cytoscape 3.8.0. Disease and SZRD targets were imported into the STRING database to construct a protein-protein interaction network. Further, Gene Ontology and Kyoto Encyclopedia of Genes and Genomes analyses were performed on the intersection of genes. Molecular docking and molecular dynamics simulations were conducted on the Hub gene and active compounds. Gene Set Enrichment Analysis was performed to further analyze key genes. RESULTS: Through the Gene Expression Omnibus database, we obtained 1977 diabetes related genes and 622 AD related genes. Among drugs, diabetes and AD, 97 genes were identified. The drug-compound-target-disease network revealed that quercetin, kaempferol, licochalcone a, isorhamnetin, formononetin, and naringenin may be the core components exerting effects. PPI network analysis identified hub genes such as IL6, TNF, IL1B, CXCL8, IL10, CCL2, ICAM1, STAT3, and IL4. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes analyses showed that SZRD in the treatment of Alzheimer's with diabetes is mainly involved in biological processes such as response to drug, aging, response to xenobiotic, and enzyme binding; as well as signaling pathways such as Pathways in cancer, Chemical carcinogenesis - receptor activation, and Fluid shear stress and atherosclerosis. Molecular docking results showed that licochalcone a, isorhamnetin, kaempferol, quercetin, and formononetin have high affinity with CXCL8, IL1B, and CCL2. Molecular dynamics simulations also confirmed a strong interaction between CXCL8 and licochalcone a, isorhamnetin, and kaempferol. Gene Set Enrichment Analysis revealed that CXCL8, IL1B, and CCL2 have significant potential in diabetes. CONCLUSION: This study provides, for the first time, insights into the active ingredients and potential molecular mechanisms of SZRD in the treatment of Alzheimer's with diabetes, laying a theoretical foundation for future basic research.},
langid = {english},
pmcid = {PMC10762922},
pmid = {38167125},
keywords = {Alzheimer Disease,Alzheimer's with diabetes,Diabetes Mellitus,Humans,Isorhamnetin,Kaempferol,Kaempferols,Licochalcone A,Molecular Docking Simulation,Molecular dynamics simulation,Network pharmacology,Network Pharmacology,Quercetin},
file = {/home/user1/Dropbox/Papers/Chen et al_2024_Network pharmacology to unveil the mechanism of suanzaoren decoction in the.pdf}
}
@article{cowan,
title = {Soil Seedbank Development of Smoke-Responsive Plant Species in a 23-Year Restoration Chronosequence and Implications for Resilience to Fire},
author = {Cowan, Ebony L. and Miller, Ben P. and Fontaine, Joseph B. and Enright, Neal J. and Standish, Rachel J.},
journal = {Applied Vegetation Science},
volume = {n/a},
number = {n/a},
pages = {e12713},
issn = {1654-109X},
doi = {10.1111/avsc.12713},
urldate = {2023-02-07},
abstract = {Questions Responses of ecological restoration projects to disturbances are rarely explored, yet their capacity to withstand and recover from disturbance (resilience) is a critical measure of restoration success. In many plant communities, the soil seedbank (SSB) provides an important source of propagules for species persistence and community resilience to disturbance. Understanding how SSBs develop with time can inform restoration of resilient ecosystems. Here, in fire-prone Banksia woodland restoration following sand mining, we ask: i. How does the smoke-responsive (dormancy broken by smoke) SSB develop through time, ii. What plant-trait and climate factors influence its development? and, iii. What do the data suggest for the resilience of these restored woodlands to fire? Location Ellenbrook, Swan Coastal Plain, Western Australia (lat. -31.76, lon. 115.95) Methods We used smoke, a key germination cue associated with fire disturbance, to trigger germination of the SSB in Banksia woodland restoration. Using a chronosequence of nine ages between three and 26 years since initiation of restoration, we tested how the SSB develops using counts and richness of germinating native and invasive annuals, and native perennial obligate seeding and resprouting species. To understand the contribution of aboveground restored vegetation to SSB development, we compared S{\o}rensen's similarity of the smoke germinable SSB (`smoked SSB') and untreated germinable SSB (`control SSB') to aboveground vegetation. Results Smoked SSB germinant density decreased with restoration age for both native and invasive annuals but was stable for native perennials. Similarity between smoked SSB and aboveground vegetation was higher for perennial obligate seeders than for resprouters and peaked for perennials at 23 years. Conclusions Post-fire regeneration potential of the SSB was evident across the chronosequence, with restoration age influencing the density of native annuals and overall composition of the SSB. The findings for perennial species suggest an increase in resilience to fire with restoration age.},
langid = {english},
keywords = {ecological resilience,fire-prone ecosystems,plant communities,restoration,similarity,smoke,soil seedbank}
}
@article{danlin2024,
title = {Potential Synergistic Regulation of Hsp70 and Antioxidant Enzyme Genes in {{Pyropia}} Yezoensis under High Temperature Stress},
author = {Danlin, Huang and Chao, Tian and Zhenjie, Sun and Jianfeng, Niu and Guangce, Wang},
year = {2024},
month = jan,
journal = {Algal Research},
pages = {103375},
issn = {2211-9264},
doi = {10.1016/j.algal.2023.103375},
urldate = {2024-01-16},
abstract = {High temperatures have been regarded as one of the main factors limiting Pyropia yezoensis cultivation in recent years. Both the heat shock proteins and antioxidant enzymes genes were activated timely before heat damage to the cell. Here, the activities of different antioxidant enzymes under different conditions, including HSF inhibitor, CaM inhibitor, and HSP70 protein inhibitor were determined. Then, RNA-seq was performed using samples that had been pretreated with corresponding chemicals under high temperature conditions. The principal component analysis inferred that the shift of gene transcription patterns under high temperature conditions was closely related to HSF since the addition of QR suppressed the changes in gene transcription pattern. The hsp70 genes and antioxidant enzyme genes were categorized into three groups by the method of WGCNA. And the HSE sites were identified using plantPAN and FIMO in most genes of the categories showed relationship to HSF. Quantitative RT-PCR analysis of designated genes (FMPK {$>$}10) indicated that the expression of hsp70 and antioxidant enzyme genes in Py. yezoensis showed various transcriptional patterns, including upregulation, downregulation, and no significant changes in response to high temperature stress. The classification between qRT-PCR and WGCNA results showed a certain consistency. Considered the results above together, it was speculated that there were different HSFs regulated the expression of different genes of hsp70 and antioxidant enzymes, and HSP70 might also regulate the expression of anti-oxidase genes under the conditions of long-term stress. Additionally, transcription factors other than HSF might be involved in the high temperature stress response. The results indicated the complexity of heat stress response mechanisms in Py. yezoensis.},
keywords = {Antioxidant enzymes,Heat shock transcription factor,High temperatures}
}
@article{deng,
title = {Investigating Potential Ferroptosis-Related Differentially Expressed Genes of {{UVB-induced}} Skin Photodamage},
author = {Deng, Li and Li, Yi and Wu, Qian and Zeng, QianWen and He, Yuanmin and Chen, AiJun},
journal = {International Journal of Dermatology},
volume = {n/a},
number = {n/a},
issn = {1365-4632},
doi = {10.1111/ijd.16472},
urldate = {2022-12-01},
abstract = {Objectives Ultraviolet B (UVB) is one of the most dangerous insults for skin, which can cause skin sunburn, pigment disease, photoaging, and photocarcinogenesis. This study aimed to identify pathogenic genes related to ferroptosis in the skin of humans after UVB radiation. Methods The gene expression profiles (GSE41078, GSE54413) were downloaded from the Gene Expression Omnibus (GEO) database, and the ferroptosis-related genes (FRGs) were downloaded from the Genecards database. To identify the differentially expressed genes (DEGs) and obtain differentially expressed FRGs by intersecting DEGs with FRGs. To identify the functional annotation and potential pathways by Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses. Differentially expressed FRGs-associated protein--protein interaction network (PPI) was performed by STRING database and Cytoscape software. Results A total of 628 co-expressed DEGs of the two profiles (GSE41078 and GSE54413) were identified, including 371 upregulated and 257 downregulated DEGs. A total of 32 differentially expressed FRGs were identified. The results of GO analyses showed that, in the biological processes, UVB had a great influence on the response to oxidative stress; in the molecular functions, UVB had a great influence on antioxidant activity; in the cellular components, UVB had a great influence on endocytic vesicle lumen. The key pathways of differentially expressed FRGs were identified by KEGG analyses. The most significant 12 central node genes were identified by PPI network. Conclusion We identified differentially expressed FRGs candidate genes and pathways in UVB-induced skin photodamage, which could contribute to the development of new therapeutic targets for skin photodamage.},
langid = {english},
file = {/home/user1/Dropbox/Papers/Deng et al_Investigating potential ferroptosis-related differentially expressed genes of.pdf}
}
@article{ding2021,
title = {Sugar and Organic Acid Availability Modulate Soil Diazotroph Community Assembly and Species Co-Occurrence Patterns on the {{Tibetan Plateau}}},
author = {Ding, Xiaowei and Liu, Kaihui and Yan, Qingyun and Liu, Xingyu and Chen, Ni and Wang, Guoliang and He, Shuai},
year = {2021},
month = oct,
journal = {Appl Microbiol Biotechnol},
issn = {1432-0614},
doi = {10.1007/s00253-021-11629-9},
urldate = {2021-10-21},
abstract = {Metabolites can mediate species interactions and the assembly of microbial communities. However, how these chemicals relate to the assembly processes and co-occurrence patterns of diazotrophic assemblages in root-associated soils remains largely unknown. Here, we examined the diversity and assembly of diazotrophic communities and further deciphered their links with metabolites on Tibetan Plateau. We found that the distribution of sugars and organic acids in the root-associated soils was significantly correlated with the richness of diazotrophs. The presence of these two soil metabolites explains the variability in diazotrophic community compositions. The differential concentrations of these metabolites were significantly linked with the distinctive abundances of diazotrophic taxa in same land types dominated by different plants or dissimilar soils by same plants. The assembly of diazotrophic communities is subject to deterministic ecological processes, which are widely modulated by the variety and amount of sugars and organic acids. Organic acids, for instance, 3-(4-hydroxyphenyl)propionic acid and citric acid, were effective predictors of the characteristics of diazotrophic assemblages across desert habitats. Diazotrophic co-occurrence networks tended to be more complex and connected within different land types covered by the same plant species. The concentrations of multiple sugars and organic acids were coupled significantly with the distribution of keystone species, such as Azotobacter, Azospirillum, Bradyrhizobium, and Mesorhizobium, in the co-occurrence network. These findings provide new insights into the assembly mechanisms of root-associated diazotrophic communities across the desert ecosystems of the Tibetan Plateau.},
langid = {english},
file = {/home/user1/Zotero/storage/E42BGEJP/Ding et al. - 2021 - Sugar and organic acid availability modulate soil .pdf}
}
@article{drivas2021,
title = {{{eQTpLot}}: A User-Friendly {{R}} Package for the Visualization of Colocalization between {{eQTL}} and {{GWAS}} Signals},
shorttitle = {{{eQTpLot}}},
author = {Drivas, Theodore G. and Lucas, Anastasia and Ritchie, Marylyn D.},
year = {2021},
month = jul,
journal = {BioData Mining},
volume = {14},
number = {1},
pages = {32},
issn = {1756-0381},
doi = {10.1186/s13040-021-00267-6},
urldate = {2021-07-21},
abstract = {Genomic studies increasingly integrate expression quantitative trait loci (eQTL) information into their analysis pipelines, but few tools exist for the visualization of colocalization between eQTL and GWAS results. Those tools that do exist are limited in their analysis options, and do not integrate eQTL and GWAS information into a single figure panel, making the visualization of colocalization difficult.},
langid = {english},
file = {/home/user1/Dropbox/Papers/Drivas et al_2021_eQTpLot_.pdf}
}
@article{giannakis2022,
title = {Evolutionary Inference across Eukaryotes Identifies Universal Features Shaping Organelle Gene Retention},
author = {Giannakis, Konstantinos and Arrowsmith, Samuel J. and Richards, Luke and Gasparini, Sara and Chustecki, Joanna M. and R{\o}yrvik, Ellen C. and Johnston, Iain G.},
year = {2022},
month = sep,
journal = {Cell Systems},
issn = {2405-4712},
doi = {10.1016/j.cels.2022.08.007},
urldate = {2022-09-19},
abstract = {Mitochondria and plastids power complex life. Why some genes and not others are retained in their organelle DNA (oDNA) genomes remains a debated question. Here, we attempt to identify the properties of genes and associated underlying mechanisms that determine oDNA retention. We harness over 15k oDNA sequences and over 300 whole genome sequences across eukaryotes with tools from structural biology, bioinformatics, machine learning, and Bayesian model selection. Previously hypothesized features, including the hydrophobicity of a protein product, and less well-known features, including binding energy centrality within a protein complex, predict oDNA retention across eukaryotes, with additional influences of nucleic acid and amino acid biochemistry. Notably, the same features predict retention in both organelles, and retention models learned from one organelle type quantitatively predict retention in the other, supporting the universality of these features---which also distinguish gene profiles in more recent, independent endosymbiotic relationships. A record of this paper's transparent peer review process is included in the supplemental information.},
langid = {english},
keywords = {endosymbiosis,genome evolution,mitochondria,mtDNA,plastids,ptDNA},
file = {/home/user1/Dropbox/Papers/Giannakis et al_2022_Evolutionary inference across eukaryotes identifies universal features shaping.pdf}
}
@article{gorodnichev2023,
title = {Isolation and {{Characterization}} of the {{First Zobellviridae Family Bacteriophage Infecting Klebsiella}} Pneumoniae},
author = {Gorodnichev, Roman B. and Kornienko, Maria A. and Malakhova, Maja V. and Bespiatykh, Dmitry A. and Manuvera, Valentin A. and Selezneva, Oksana V. and Veselovsky, Vladimir A. and Bagrov, Dmitry V. and Zaychikova, Marina V. and Osnach, Veronika A. and Shabalina, Anna V. and Goloshchapov, Oleg V. and Bespyatykh, Julia A. and Dolgova, Anna S. and Shitikov, Egor A.},
year = {2023},
month = jan,
journal = {International Journal of Molecular Sciences},
volume = {24},
number = {4},
pages = {4038},
publisher = {Multidisciplinary Digital Publishing Institute},
issn = {1422-0067},
doi = {10.3390/ijms24044038},
urldate = {2023-02-20},
abstract = {In order to address the upcoming crisis in the treatment of Klebsiella pneumoniae infections, caused by an increasing proportion of resistant isolates, new approaches to antimicrobial therapy must be developed. One approach would be to use (bacterio)phages and/or phage derivatives for therapy. In this study, we present a description of the first K. pneumoniae phage from the Zobellviridae family. The vB\_KpnP\_Klyazma podovirus, which forms translucent halos around the plaques, was isolated from river water. The phage genome is composed of 82 open reading frames, which are divided into two clusters located on opposite strands. Phylogenetic analysis revealed that the phage belongs to the Zobellviridae family, although its identity with the closest member of this family was not higher than 5\%. The bacteriophage demonstrated lytic activity against all (n = 11) K. pneumoniae strains with the KL20 capsule type, but only the host strain was lysed effectively. The receptor-binding protein of the phage was identified as a polysaccharide depolymerase with a pectate lyase domain. The recombinant depolymerase protein showed concentration-dependent activity against all strains with the KL20 capsule type. The ability of a recombinant depolymerase to cleave bacterial capsular polysaccharides regardless of a phage's ability to successfully infect a particular strain holds promise for the possibility of using depolymerases in antimicrobial therapy, even though they only make bacteria sensitive to environmental factors, rather than killing them directly.},
copyright = {http://creativecommons.org/licenses/by/3.0/},
langid = {english},
keywords = {<i>Klebsiella pneumoniae</i>,<i>Zobellviridae</i>,bacteriophage,capsular type,capsule depolymerase,multidrug resistance},
file = {/home/user1/Dropbox/Papers/Gorodnichev et al_2023_Isolation and Characterization of the First Zobellviridae Family Bacteriophage.pdf}
}
@article{granovetter2020,
title = {With {{Childhood Hemispherectomy}}, {{One Hemisphere Can Support}}---{{But}} Is {{Suboptimal}} for---{{Word}} and {{Face Recognition}}},
author = {Granovetter, Michael C. and Ettensohn, Leah and Behrmann, Marlene},
year = {2020},
month = nov,
journal = {bioRxiv},
pages = {2020.11.06.371823},
publisher = {Cold Spring Harbor Laboratory},
doi = {10.1101/2020.11.06.371823},
urldate = {2021-03-03},
abstract = {{$<$}h3{$>$}Abstract{$<$}/h3{$>$} {$<$}p{$>$}The left and right cerebral hemispheres are important for word and face recognition, respectively---a specialization that emerges over human development. But children who have undergone a hemispherectomy develop with only one hemisphere. The question is whether this preserved hemisphere, be it left or right, can support both word and face recognition. Here, a large sample of patients with childhood hemispherectomy and age-matched controls performed word- and face-matching tasks. Controls viewed stimuli either in one visual field (restricting initial processing to one hemisphere) or, like the patients, in central vision. Across word and face tasks, patients performed comparably to controls using primarily one hemisphere, but more poorly than controls viewing stimuli centrally with both hemispheres engaged. Additionally, patients showed deficits in low-level visual processing that may explain their word/face recognition deficits relative to controls. Altogether, the findings suggest that either hemisphere alone can support word and face recognition, albeit sub-optimally.{$<$}/p{$>$}},
chapter = {New Results},
copyright = {{\copyright} 2020, Posted by Cold Spring Harbor Laboratory. This article is a US Government work. It is not subject to copyright under 17 USC 105 and is also made available for use under a CC0 license},
langid = {english},
file = {/home/user1/Dropbox/Papers/Granovetter et al_2020_With Childhood Hemispherectomy, One Hemisphere Can Support—But is Suboptimal_.pdf}
}
@article{higgs2023,
title = {Comparison of Contemporary Invasive and Non-Invasive {{Streptococcus}} Pneumoniae Isolates Reveals New Insights into Circulating Anti-Microbial Resistance Determinants},
author = {Higgs, Charlie and Kumar, Lamali Sadeesh and Stevens, Kerrie and Strachan, Janet and Korman, Tony and Horan, Kristy and Daniel, Diane and Russell, Madeline and McDevitt, Christopher A. and Sherry, Norelle L. and Stinear, Timothy P. and Howden, Benjamin P. and Gorrie, Claire L.},
year = {2023},
month = oct,
journal = {Antimicrobial Agents and Chemotherapy},
volume = {0},
number = {0},
pages = {e00785-23},
publisher = {American Society for Microbiology},
doi = {10.1128/aac.00785-23},
urldate = {2023-10-23},
file = {/home/user1/Dropbox/Papers/Higgs et al_2023_Comparison of contemporary invasive and non-invasive Streptococcus pneumoniae.pdf}
}
@article{higgs2023a,
title = {Population Structure, Serotype Distribution and Antibiotic Resistance of {{Streptococcus}} Pneumoniae Causing Invasive Disease in {{Victoria}}, {{Australia}}},
author = {Higgs, Charlie and Kumar, Lamali Sadeesh and Stevens, Kerrie and Strachan, Janet and Sherry, Norelle L. and Horan, Kristy and Zhang, Josh and Stinear, Timothy P. and Howden, Benjamin P. and Gorrie, Claire L.},
year = {2023},
journal = {Microbial Genomics},
volume = {9},
number = {7},
pages = {001070},
publisher = {Microbiology Society,},
issn = {2057-5858},
doi = {10.1099/mgen.0.001070},
urldate = {2023-07-25},
abstract = {Streptococcus pneumoniae is a major human pathogen and can cause a range of conditions from asymptomatic colonization to invasive pneumococcal disease (IPD). The epidemiology and distribution of IPD-causing serotypes in Australia has undergone large changes following the introduction of the 7-valent pneumococcal conjugate vaccine (PCV) in 2005 and the 13-valent PCV in 2011. In this study, to provide a contemporary understanding of the IPD causing population in Victoria, Australia, we aimed to examine the population structure and prevalence of antimicrobial resistance using whole-genome sequencing and comprehensive antimicrobial susceptibility data of 1288 isolates collected between 2018 and 2022. We observed high diversity among the isolates with 52 serotypes, 203 sequence types (STs) and 70 Global Pneumococcal Sequencing Project Clusters (GPSCs) identified. Serotypes contained in the 13v-PCV represented 35.3{$\mkern1mu\%$} (n=405) of isolates. Antimicrobial resistance (AMR) to at least one antibiotic was identified in 23.8{$\mkern1mu\%$} (n=358) of isolates with penicillin resistance the most prevalent (20.3{$\mkern1mu\%$}, n=261 using meningitis breakpoints and 5.1{$\mkern1mu\%$} n=65 using oral breakpoints). Of the AMR isolates, 28{$\mkern1mu\%$} (n=101) were multidrug resistant (MDR) (resistant to three or more drug classes). Vaccination status of cases was determined for a subset of isolates with 34 cases classified as vaccine failure events (fully vaccinated IPD cases of vaccine serotype). However, no phylogenetic association with failure events was observed. Within the highly diverse IPD population, we identified six high-risk sub-populations of public health concern characterized by high prevalence, high rates of AMR and MDR, or serotype inclusion in vaccines. High-risk serotypes included serotypes 3, 19F, 19A, 14, 11A, 15A and serofamily 23. In addition, we present our data validating seroBA for in silico serotyping to facilitate ISO-accreditation of this test in routine use in a public health reference laboratory and have made this data set available. This study provides insights into the population dynamics, highlights non-vaccine serotypes of concern that are highly resistant, and provides a genomic framework for the ongoing surveillance of IPD in Australia which can inform next-generation IPD prevention strategies.},
file = {/home/user1/Dropbox/Papers/Higgs et al_2023_Population structure, serotype distribution and antibiotic resistance of.pdf}
}
@misc{hill2024,
title = {Evolutionary Genomics Reveals Variation in Structure and Genetic Content Implicated in Virulence and Lifestyle in the Genus {{Gaeumannomyces}}},
author = {Hill, Rowena and Grey, Michelle and Fedi, Mariano Olivera and Smith, Daniel and Ward, Sabrina J. and Canning, Gail and Irish, Naomi and Smith, Jade and McMillan, Vanessa E. and Hammond, Jess and Osborne, Sarah-Jane and Chancellor, Tania and Swarbreck, David and Hall, Neil and {Palma-Guerrero}, Javier and {Hammond-Kosack}, Kim E. and McMullan, Mark},
year = {2024},
month = feb,
primaryclass = {New Results},
pages = {2024.02.15.580261},
publisher = {bioRxiv},
doi = {10.1101/2024.02.15.580261},
urldate = {2024-02-20},
abstract = {Gaeumannomyces tritici is responsible for take-all disease, one of the most important wheat root threats worldwide. High-quality annotated genome resources are sorely lacking for this pathogen, as well as for the closely related antagonist and potential wheat take-all biocontrol agent, G. hyphopodioides. As such, we know very little about the genetic basis of the interactions in this host-pathogen-antagonist system. Using PacBio HiFi sequencing technology we have generated nine near-complete assemblies, including two different virulence lineages for G. tritici and the first assemblies for G. hyphopodioides and G. avenae (oat take-all). Genomic signatures support the presence of two distinct virulence lineages in G. tritici (types A and B), with A strains potentially employing a mechanism to prevent gene copy-number expansions. The CAZyme repertoire was highly conserved across Gaeumannomyces, while candidate secreted effector proteins and biosynthetic gene clusters showed more variability and may distinguish pathogenic and non-pathogenic lineages. A transition from self-sterility (heterothallism) to self-fertility (homothallism) may also be a key innovation implicated in lifestyle. We did not find evidence for transposable element and effector gene compartmentalisation in the genus, however the presence of Starship giant transposable elements likely contributes to genomic plasticity in the genus. Our results depict Gaeumannomyces as an ideal system to explore interactions within the rhizosphere, the nuances of intraspecific virulence, interspecific antagonism, and fungal lifestyle evolution. The foundational genomic resources provided here will enable the development of diagnostics and surveillance of understudied but agriculturally important fungal pathogens.},
archiveprefix = {bioRxiv},
chapter = {New Results},
copyright = {{\copyright} 2024, Posted by Cold Spring Harbor Laboratory. This pre-print is available under a Creative Commons License (Attribution 4.0 International), CC BY 4.0, as described at http://creativecommons.org/licenses/by/4.0/},
langid = {english},
file = {/home/user1/Dropbox/Papers/Hill et al_2024_Evolutionary genomics reveals variation in structure and genetic content.pdf}
}
@article{hinsu2021,
title = {Characterizing Rhizosphere Microbiota of Peanut ({{Arachis}} Hypogaea {{L}}.) from Pre-Sowing to Post-Harvest of Crop under Field Conditions},
author = {Hinsu, Ankit T. and Panchal, Ketankumar J. and Pandit, Ramesh J. and Koringa, Prakash G. and Kothari, Ramesh K.},
year = {2021},
month = aug,
journal = {Sci Rep},
volume = {11},
number = {1},
pages = {17457},
publisher = {Nature Publishing Group},
issn = {2045-2322},
doi = {10.1038/s41598-021-97071-3},
urldate = {2021-09-06},
abstract = {The rhizosphere, a narrow zone of soil near plant roots, is a hot spot for microbial activity. Rhizosphere microbiota directly or indirectly benefit plants by supplementing nutrients, producing beneficial chemicals, or suppressing pathogens. Plants attract and modulate bacteria within the rhizosphere by releasing exudates. Plants also tend to select the rhizosphere microbiota based on their needs; a phenomenon termed as ``rhizosphere effect''. In this study, we characterized the rhizosphere microbiota of peanut plants across the crop development cycle from pre-sowing of seeds to post-harvest of crop under field conditions. The rhizosphere and bulk soil samples from different crop developmental stages were also compared. The composition of bulk soil microbiota resembled microbiota of pre-sowing and post-harvest soil and was markedly different from rhizosphere soil samples. Rhizosphere samples were enriched with multiple organisms mostly from the Proteobacteria, Firmicutes and Bacteroidota phyla. Differences in diversity were observed among the rhizosphere samples but not in bulk soil across different crop development stages. Pseudomonas\_M indica was highly enriched during the germination of seeds. Furthermore, Plant Growth Promoting (PGP) bacteria like Bacillus were enriched during the middle stages of crop development but there was a decline in PGP organisms in the matured crop stage. We also observed a significant association of pH and Electrical Conductivity (EC) with the profiles of microbial community. Overall, this study portrayed the changes in rhizosphere microbiota of peanut during different developmental stages of crop and may help to design stage specific bio-strategies such as bio-fertilizer to improve crop yield.},
copyright = {2021 The Author(s)},
langid = {english},
annotation = {Bandiera\_abtest: a\\
Cc\_license\_type: cc\_by\\
Cg\_type: Nature Research Journals\\
Primary\_atype: Research\\
Subject\_term: Metagenomics;Microbial ecology;Microbiome;Soil microbiology\\
Subject\_term\_id: metagenomics;microbial-ecology;microbiome;soil-microbiology},
file = {/home/user1/Dropbox/Papers/Hinsu et al_2021_Characterizing rhizosphere microbiota of peanut (Arachis hypogaea L_.pdf}
}
@article{hinzke2022,
title = {Response {{Patterns}} of {{Fen Sedges}} to a {{Nutrient Gradient Indicate}} Both {{Geographic Origin-Specific Genotypic Differences}} and {{Phenotypic Plasticity}}},
author = {Hinzke, Tjorven and Tanneberger, Franziska and Aggenbach, Camiel and Bog, Manuela and Dahlke, Sven and Knorr, Klaus-Holger and Kotowski, Wiktor and Kozub, {\L}ukasz and Lange, Jelena and Li, Guixiang and Michaelis, Dierk and Pronin, Eugeniusz and Schnittler, Martin and Seeber, Elke and Kreyling, Juergen},
year = {2022},
month = nov,
journal = {Wetlands},
volume = {42},
number = {8},
pages = {113},
issn = {1943-6246},
doi = {10.1007/s13157-022-01629-4},
urldate = {2022-11-24},
abstract = {In wet peatlands, plant growth conditions are largely determined by local soil conditions, leading to locally adapted vegetation. Despite that Carex species are often the prevailing vascular plant species in fen peatlands of the temperate zone, information about how these species adapt to local environmental conditions is scarce. This holds true especially for below-ground plant traits and for adaptations to fen-typical nutrient level variations. To address this research gap, we investigated how different geographic origins (Germany, Poland, The Netherlands) of C. acutiformis and C. rostrata relate to their response to varying nutrient availability. We performed a common garden experiment with a controlled gradient of nutrient levels, and analyzed above- and below-ground biomass production of both Carex species from the different geographic origins. We related these traits to environmental conditions of the origins as characterized by vegetation composition-derived indicator values for ecological habitat conditions. While we detected high above-ground phenotypic plasticity of Carex from different origins, our data point to below-ground genotypic differences, potentially indicating local adaptation: Rhizome traits of C. rostrata differed significantly between origins with different nutrient indicator values. These results point towards differences in C. rostrata clonal spread behavior depending on local peatland conditions. Therefore, local adaptations of plant species and below-ground biomass traits should be taken into account when studying peatland vegetation ecology, as key functional traits can differ between genotypes within a single species depending on local conditions.},
langid = {english},
keywords = {Azonal vegetation,Carex acutiformis,Carex rostrata,Ecotype,Ellenberg indicator values,Genetic differentiation,Mire,Rhizome growth},
file = {/home/user1/Dropbox/Papers/Hinzke et al_2022_Response Patterns of Fen Sedges to a Nutrient Gradient Indicate both Geographic.pdf}
}
@article{jenckel2021,
title = {Distribution and {{Genetic Diversity}} of {{Hepatitis E Virus}} in {{Wild}} and {{Domestic Rabbits}} in {{Australia}}},
author = {Jenckel, Maria and Smith, Ina and King, Tegan and West, Peter and Taggart, Patrick L. and Strive, Tanja and Hall, Robyn N.},
year = {2021},
month = dec,
journal = {Pathogens},
volume = {10},
number = {12},
pages = {1637},
publisher = {Multidisciplinary Digital Publishing Institute},
doi = {10.3390/pathogens10121637},
urldate = {2021-12-21},
abstract = {In 2020, Hepatitis E virus (HEV) was detected for the first time in Australian rabbits. To improve our understanding of the genetic diversity and distribution of the virus, 1635 rabbit liver samples from locations across Australia were screened via RT-qPCR for HEV. HEV genomes were amplified and sequenced from 48 positive samples. Furthermore, we tested 380 serum samples from 11 locations across Australia for antibodies against HEV. HEV was detected in rabbits from all states and territories, except the Northern Territory. Seroprevalence varied between locations (from 0\% to 22\%), demonstrating that HEV is widely distributed in rabbit populations across Australia. Phylogenetic analyses showed that Australian HEV sequences are genetically diverse and that HEV was likely introduced into Australia independently on several occasions. In summary, this study broadens our understanding of the genetic diversity of rabbit HEV globally and shows that the virus is endemic in both domestic and wild rabbit populations in Australia.},
copyright = {http://creativecommons.org/licenses/by/3.0/},
langid = {english},
keywords = {genomic epidemiology,hepeviridae,Luminex,rabbits,seroepidemiology,serology,whole-genome sequencing},
file = {/home/user1/Dropbox/Papers/Jenckel et al_2021_Distribution and Genetic Diversity of Hepatitis E Virus in Wild and Domestic_.pdf}
}
@article{jentsch2022,
title = {Spatio-{{Temporal Analysis}} of {{Valley Wind Systems}} in the {{Complex Mountain Topography}} of the {{Rolwaling Himal}}, {{Nepal}}},
author = {Jentsch, Helge and Weidinger, Johannes},
year = {2022},
month = jul,
journal = {Atmosphere},
volume = {13},
number = {7},
pages = {1138},
publisher = {Multidisciplinary Digital Publishing Institute},
issn = {2073-4433},
doi = {10.3390/atmos13071138},
urldate = {2022-08-01},
abstract = {The diurnal, seasonal, and spatio-temporal characteristics of local wind systems in a steep mountain valley in Nepal are analyzed with the identification of valley wind days (VWDs). Distributed across the Rolwaling Himal valley in Nepal between 3700 and 5100 m a.s.l. at eight automated weather stations (AWSs), meteorological data between October 2017 and September 2018 were examined. VWDs were classified by means of ERA5 reanalysis data and in situ observations, employing established thresholds using precipitation, solar radiation, air pressure, and wind speed data at different pressure levels. Thus, overlying synoptic influences are highly reduced and distinctive diurnal patterns emerge. A strong seasonal component in near-surface wind speed and wind direction patterns was detected. Further analyses showed the diurnal characteristics of slow (approximately 0.5--0.9 m s-1), but gradually increasing wind speeds over the night, transitional periods in the morning and evening, and the highest averaged wind speeds of approximately 4.3 m s-1 around noon during the VWDs. Wind directions followed a 180{$\circ$} shift with nocturnal katabatic mountain winds and inflowing anabatic valley winds during the daytime. With AWSs at opposing hillsides, slope winds were clearly identifiable and thermally driven spatio-temporal variations throughout the valley were revealed. Consequently, varying temporal shifts in wind speed and direction along the valley bottom can be extracted. In general, the data follow the well-known schematic of diurnal mountain--valley wind systems, but emphasize the influence of monsoonal seasonality and the surrounding complex mountain topography as decisive factors.},
copyright = {http://creativecommons.org/licenses/by/3.0/},
langid = {english},
keywords = {automated weather station,Central Himalayas,complex terrain,diurnal wind,local wind,valley wind,valley wind days,valley wind system},
file = {/home/user1/Dropbox/Papers/Jentsch_Weidinger_2022_Spatio-Temporal Analysis of Valley Wind Systems in the Complex Mountain.pdf}
}
@article{jiang2023a,
title = {{{ITK}} Degradation to Block {{T}} Cell Receptor Signaling and Overcome Therapeutic Resistance in {{T}} Cell Lymphomas},
author = {Jiang, Baishan and Weinstock, David M. and Donovan, Katherine A. and Sun, Hong-Wei and Wolfe, Ashley and Amaka, Sam and Donaldson, Nicholas L. and Wu, Gongwei and Jiang, Yuan and Wilcox, Ryan A. and Fischer, Eric S. and Gray, Nathanael S. and Wu, Wenchao},
year = {2023},
month = apr,
journal = {Cell Chemical Biology},
volume = {0},
number = {0},
publisher = {Elsevier},
issn = {2451-9456, 2451-9448},
doi = {10.1016/j.chembiol.2023.03.007},
urldate = {2023-04-07},
langid = {english},
pmid = {37015223},
keywords = {GATA-3,ITK,PROTAC,T cell lymphoma,TCR signaling},
file = {/home/user1/Dropbox/Papers/Jiang et al_2023_ITK degradation to block T cell receptor signaling and overcome therapeutic.pdf}
}
@article{jin2023,
title = {Culturing of a Complex Gut Microbial Community in Mucin-Hydrogel Carriers Reveals Strain- and Gene-Associated Spatial Organization},
author = {Jin, Xiaofan and Yu, Feiqiao B. and Yan, Jia and Weakley, Allison M. and Dubinkina, Veronika and Meng, Xiandong and Pollard, Katherine S.},
year = {2023},
month = jun,
journal = {Nat Commun},
volume = {14},
number = {1},
pages = {3510},
publisher = {Nature Publishing Group},
issn = {2041-1723},
doi = {10.1038/s41467-023-39121-0},
urldate = {2023-06-17},
abstract = {Microbial community function depends on both taxonomic composition and spatial organization. While composition of the human gut microbiome has been deeply characterized, less is known about the organization of microbes between regions such as lumen and mucosa and the microbial genes regulating this organization. Using a defined 117 strain community for which we generate high-quality genome assemblies, we model mucosa/lumen organization with in vitro cultures incorporating mucin hydrogel carriers as surfaces for bacterial attachment. Metagenomic tracking of carrier cultures reveals increased diversity and strain-specific spatial organization, with distinct strains enriched on carriers versus liquid supernatant, mirroring mucosa/lumen enrichment in vivo. A comprehensive search for microbial genes associated with this spatial organization identifies candidates with known adhesion-related functions, as well as novel links. These findings demonstrate that carrier cultures of defined communities effectively recapitulate fundamental aspects of gut spatial organization, enabling identification of key microbial strains and genes.},
copyright = {2023 The Author(s)},
langid = {english},
keywords = {Bacterial genetics,Microbiome},
file = {/home/user1/Dropbox/Papers/Jin et al_2023_Culturing of a complex gut microbial community in mucin-hydrogel carriers.pdf}
}
@phdthesis{joubert2023,
title = {Catching up to Fungal Plant Pathogens: {{A}} Characterization of Extrachromosomal Circular {{DNAs}} and Gene Presence Absence Variation in {{Magnaporthe}} Oryzae},
shorttitle = {Catching up to Fungal Plant Pathogens},
author = {Joubert, Pierre M.},
year = {2023},
urldate = {2023-09-28},
abstract = {Fungal plant pathogens have major impacts on agriculture and global food security and are likely to have an even greater impact in the future. The current tools that we have available to combat them are insufficient, in part because these fungi can quickly adapt to these tools. Understanding fungal plant pathogen evolution is therefore essential to curbing the threat these pathogens pose. In Chapter 1, I describe the motivations for my dissertation work and the state of the field of fungal plant pathogen evolution. I also introduce the model organism I used in my research, Magnaporthe oryzae, which causes the blast disease. Chapter 2 describes my characterization of the extrachromosomal circular DNAs (eccDNAs) of M. oryzae. EccDNAs are a diverse class of molecules that can contribute to phenotypic and genotypic plasticity in eukaryotes, and I hypothesized that these may be involved in fungal plant pathogen evolution. I show that M. oryzae has a more diverse set of eccDNAs than other organisms and that these are enriched in LTR retrotransposons. I also show that many genes are found on eccDNAs in M. oryzae, and that effectors are enriched on eccDNAs. Finally, I show that eccDNAs are associated with gene presence-absence variation (PAV). Next, in Chapter 3, I discuss in greater detail the results presented in Chapter 2, as well as their implications and potential future directions. I also further discuss evidence in Chapter 2 that led me to believe that eccDNAs do not play a major role in fungal plant pathogen evolution and led me to focus directly on gene PAV in M. oryzae in the remainder of my dissertation. Subsequently, in Chapter 4, I describe my characterization of these events in M. oryzae. I find that genes experiencing PAV between lineages of M. oryzae are enriched in disease-causing and non-self-recognition genes. I describe how gene PAV events in the rice and wheat pathotypes show clear differences in their count and genomic location. Through comparing PAV genes to conserved genes, I show that these had distinct distances to TEs, distances to other genes, lengths, GC content, expression, and epigenetic marks. I also describe how a machine learning model can be trained to take advantage of these features to predict genes prone to PAV in the M. oryzae genome. Finally, in Chapter 5, I further discuss the implications of the results I describe in this dissertation, as well as future directions for implementing machine learning models and general knowledge of fungal plant pathogen evolution to help guide rational disease resistance engineering in crops.},
langid = {english},
school = {UC Berkeley},
file = {/home/user1/Dropbox/Papers/Joubert_2023_Catching up to fungal plant pathogens.pdf}
}
@misc{joubert2023a,
title = {Distinct Genomic Contexts Predict Gene Presence-Absence Variation in Different Pathotypes of a Fungal Plant Pathogen},
author = {Joubert, Pierre M. and Krasileva, Ksenia V.},
year = {2023},
month = feb,
primaryclass = {New Results},
pages = {2023.02.17.529015},
publisher = {bioRxiv},
doi = {10.1101/2023.02.17.529015},
urldate = {2023-02-20},
abstract = {Background Fungi use the accessory segments of their pan-genomes to adapt to their environments. While gene presence-absence variation (PAV) contributes to shaping these accessory gene reservoirs, whether these events happen in specific genomic contexts remains unclear. Additionally, since pan-genome studies often group together all members of the same species, it is uncertain whether genomic or epigenomic features shaping pan-genome evolution are consistent across populations within the same species. Fungal plant pathogens are useful models for answering these questions because members of the same species often infect distinct hosts, and they frequently rely on gene PAV to adapt to these hosts. Results We analyzed gene PAV in the rice and wheat blast fungus, Magnaporthe oryzae, and found that PAV of disease-causing effectors, antibiotic production, and non-self-recognition genes may drive the adaptation of the fungus to its environment. We then analyzed genomic and epigenomic features and data from available datasets for patterns that might help explain these PAV events. We observed that proximity to transposable elements (TEs), gene GC content, gene length, expression level in the host, and histone H3K27me3 marks were different between PAV genes and conserved genes, among other features. We used these features to construct a random forest classifier that was able to predict whether a gene is likely to experience PAV with high precision (86.06\%) and recall (92.88\%) in rice-infecting M. oryzae. Finally, we found that PAV in wheat- and rice-infecting pathotypes of M. oryzae differed in their number and their genomic context. Conclusions Our results suggest that genomic and epigenomic features of gene PAV can be used to better understand and even predict fungal pan-genome evolution. We also show that substantial intra-species variation can exist in these features.},
archiveprefix = {bioRxiv},
chapter = {New Results},
copyright = {{\copyright} 2023, Posted by Cold Spring Harbor Laboratory. This pre-print is available under a Creative Commons License (Attribution 4.0 International), CC BY 4.0, as described at http://creativecommons.org/licenses/by/4.0/},
langid = {english},
file = {/home/user1/Dropbox/Papers/Joubert_Krasileva_2023_Distinct genomic contexts predict gene presence-absence variation in different.pdf}
}
@article{jung2019,
title = {Unified Single-Cell Analysis of Testis Gene Regulation and Pathology in Five Mouse Strains},
author = {Jung, Min and Wells, Daniel and Rusch, Jannette and Ahmad, Suhaira and Marchini, Jonathan and Myers, Simon R and Conrad, Donald F},
editor = {Bourc'his, Deborah and Wittkopp, Patricia J and Lukassen, Soeren},
year = {2019},
month = jun,
journal = {eLife},
volume = {8},
pages = {e43966},
publisher = {eLife Sciences Publications, Ltd},
issn = {2050-084X},
doi = {10.7554/eLife.43966},
urldate = {2021-03-03},
abstract = {To fully exploit the potential of single-cell functional genomics in the study of development and disease, robust methods are needed to simplify the analysis of data across samples, time-points and individuals. Here we introduce a model-based factor analysis method, SDA, to analyze a novel 57,600 cell dataset from the testes of wild-type mice and mice with gonadal defects due to disruption of the genes Mlh3, Hormad1, Cul4a or Cnp. By jointly analyzing mutant and wild-type cells we decomposed our data into 46 components that identify novel meiotic gene-regulatory programs, mutant-specific pathological processes, and technical effects, and provide a framework for imputation. We identify, de novo, DNA sequence motifs associated with individual components that define temporally varying modes of gene expression control. Analysis of SDA components also led us to identify a rare population of macrophages within the seminiferous tubules of Mlh3-/- and Hormad1-/- mice, an area typically associated with immune privilege.},
keywords = {factor analysis,gene regulation,infertility,meiosis,single-cell,testis},
file = {/home/user1/Dropbox/Papers/Jung et al_2019_Unified single-cell analysis of testis gene regulation and pathology in five_.pdf}
}
@article{karasaki2023,
title = {Evolutionary Characterization of Lung Adenocarcinoma Morphology in {{TRACERx}}},
author = {Karasaki, Takahiro and Moore, David A. and Veeriah, Selvaraju and {Naceur-Lombardelli}, Cristina and Toncheva, Antonia and Magno, Neil and Ward, Sophia and Bakir, Maise Al and Watkins, Thomas B. K. and Grigoriadis, Kristiana and Huebner, Ariana and Hill, Mark S. and Frankell, Alexander M. and Abbosh, Christopher and Puttick, Clare and Zhai, Haoran and {Gimeno-Valiente}, Francisco and Saghafinia, Sadegh and Kanu, Nnennaya and Dietzen, Michelle and Pich, Oriol and Lim, Emilia L. and {Mart{\'i}nez-Ruiz}, Carlos and Black, James R. M. and Biswas, Dhruva and Campbell, Brittany B. and Lee, Claudia and Colliver, Emma and Enfield, Katey S. S. and Hessey, Sonya and Hiley, Crispin T. and Zaccaria, Simone and Litchfield, Kevin and Birkbak, Nicolai J. and Cadieux, Elizabeth Larose and Demeulemeester, Jonas and Van Loo, Peter and Adusumilli, Prasad S. and Tan, Kay See and Cheema, Waseem and {Sanchez-Vega}, Francisco and Jones, David R. and Rekhtman, Natasha and Travis, William D. and Hackshaw, Allan and Marafioti, Teresa and Salgado, Roberto and Le Quesne, John and Nicholson, Andrew G. and McGranahan, Nicholas and Swanton, Charles and {Jamal-Hanjani}, Mariam},
year = {2023},
month = apr,
journal = {Nat Med},
pages = {1--13},
publisher = {Nature Publishing Group},
issn = {1546-170X},
doi = {10.1038/s41591-023-02230-w},
urldate = {2023-04-14},
abstract = {Lung adenocarcinomas (LUADs) display a broad histological spectrum from low-grade lepidic tumors through to mid-grade acinar and papillary and high-grade solid, cribriform and micropapillary tumors. How morphology reflects tumor evolution and disease progression is poorly understood. Whole-exome sequencing data generated from 805 primary tumor regions and 121 paired metastatic samples across 248 LUADs from the TRACERx 421 cohort, together with RNA-sequencing data from 463 primary tumor regions, were integrated with detailed whole-tumor and regional histopathological analysis. Tumors with predominantly high-grade patterns showed increased chromosomal complexity, with higher burden of loss of heterozygosity and subclonal somatic copy number alterations. Individual regions in predominantly high-grade pattern tumors exhibited higher proliferation and lower clonal diversity, potentially reflecting large recent subclonal expansions. Co-occurrence of truncal loss of chromosomes 3p and 3q was enriched in predominantly low-/mid-grade tumors, while purely undifferentiated solid-pattern tumors had a higher frequency of truncal arm or focal 3q gains and SMARCA4 gene alterations compared with mixed-pattern tumors with a solid component, suggesting distinct evolutionary trajectories. Clonal evolution analysis revealed that tumors tend to evolve toward higher-grade patterns. The presence of micropapillary pattern and `tumor spread through air spaces' were associated with intrathoracic recurrence, in contrast to the presence of solid/cribriform patterns, necrosis and preoperative circulating tumor DNA detection, which were associated with extra-thoracic recurrence. These data provide insights into the relationship between LUAD morphology, the underlying evolutionary genomic landscape, and clinical and anatomical relapse risk.},
copyright = {2023 The Author(s) under exclusive license to Springer Nature America, Inc.},
langid = {english},
keywords = {Cancer genomics,Non-small-cell lung cancer,Tumour heterogeneity}
}
@article{khan2022,
title = {Increasing {{Drought Risks Over}} the {{Past Four Centuries Amidst Projected Flood Intensification}} in the {{Kabul River Basin}} ({{Afghanistan}} and {{Pakistan}})---{{Evidence From Tree Rings}}},
author = {Khan, Nasrullah and Nguyen, Hung T. T. and Galelli, Stefano and Cherubini, Paolo},
year = {2022},
journal = {Geophysical Research Letters},
volume = {49},
number = {24},
pages = {e2022GL100703},
issn = {1944-8007},
doi = {10.1029/2022GL100703},
urldate = {2023-05-09},
abstract = {Increased flood risks have been projected, but with large uncertainties, in the Kabul River Basin (Afghanistan and Pakistan). To place future changes in a long-term perspective, we produce a 382-year precipitation reconstruction for the basin using seven tree-ring chronologies of old-growth conifers from the Hindu Kush Mountains, a monsoon-shadow area. The reconstruction proves robust over rigorous cross-validations (R2 = 0.60, RE = 0.60, CE = 0.53). The full reconstruction (1637--2018) reveals a steady decline in the low end of the precipitation distribution, implying increasing drought risks. We show that droughts are getting more severe, shorter, and more frequent, interspersed with more frequent pluvials in the past century. Drought risks, compounded with projected flood intensification, pose significant threats for this transboundary river. Therefore, future water management needs to account for both flood and drought risks and be informed by long-term hydroclimatic variability.},
langid = {english},
keywords = {climate change,dendrochronology,drought,precipitation reconstruction,water cycle,water resources},
file = {/home/user1/Dropbox/Papers/Khan et al_2022_Increasing Drought Risks Over the Past Four Centuries Amidst Projected Flood.pdf}
}
@article{kornienko2023,
title = {{{PCR Assay}} for {{Rapid Taxonomic Differentiation}} of {{Virulent Staphylococcus}} Aureus and {{Klebsiella}} Pneumoniae {{Bacteriophages}}},
author = {Kornienko, Maria and Bespiatykh, Dmitry and Malakhova, Maja and Gorodnichev, Roman and Kuptsov, Nikita and Shitikov, Egor},
year = {2023},
month = jan,
journal = {International Journal of Molecular Sciences},
volume = {24},
number = {5},
pages = {4483},
publisher = {Multidisciplinary Digital Publishing Institute},
issn = {1422-0067},
doi = {10.3390/ijms24054483},
urldate = {2023-03-02},
abstract = {Phage therapy is now seen as a promising way to overcome the current global crisis in the spread of multidrug-resistant bacteria. However, phages are highly strain-specific, and in most cases one will have to isolate a new phage or search for a phage suitable for a therapeutic application in existing libraries. At an early stage of the isolation process, rapid screening techniques are needed to identify and type potential virulent phages. Here, we propose a simple PCR approach to differentiate between two families of virulent Staphylococcus phages (Herelleviridae and Rountreeviridae) and eleven genera of virulent Klebsiella phages (Przondovirus, Taipeivirus, Drulisvirus, Webervirus, Jiaodavirus, Sugarlandvirus, Slopekvirus, Jedunavirus, Marfavirus, Mydovirus and Yonseivirus). This assay includes a thorough search of a dataset comprising S. aureus (n = 269) and K. pneumoniae (n = 480) phage genomes available in the NCBI RefSeq/GenBank database for specific genes that are highly conserved at the taxonomic group level. The selected primers showed high sensitivity and specificity for both isolated DNA and crude phage lysates, which permits circumventing DNA purification protocols. Our approach can be extended and applied to any group of phages, given the large number of available genomes in the databases.},
copyright = {http://creativecommons.org/licenses/by/3.0/},
langid = {english},
keywords = {<i>Klebsiella pneumoniae</i>,<i>Staphylococcus aureus</i>,bacteriophage,bacteriophage typing,phage,therapy},
file = {/home/user1/Dropbox/Papers/Kornienko et al_2023_PCR Assay for Rapid Taxonomic Differentiation of Virulent Staphylococcus aureus.pdf}
}
@article{kudrenko2023,
title = {Walking on the {{Dark Side}}: {{Anthropogenic Factors Limit Suitable Habitat}} for {{Gray Wolf}} ({{Canis}} Lupus) in a {{Large Natural Area Covering Belarus}} and {{Ukraine}}},
shorttitle = {Walking on the {{Dark Side}}},
author = {Kudrenko, Svitlana and Vollering, Julien and Zedrosser, Andreas and Selva, Nuria and Ostapowicz, Katarzyna and Fenchuk, Viktar and Beasley, James C. and Heurich, Marco},
year = {2023},
month = jul,
journal = {Global Ecology and Conservation},
pages = {e02586},
issn = {2351-9894},
doi = {10.1016/j.gecco.2023.e02586},
urldate = {2023-07-27},
abstract = {Due to successful conservation initiatives and legislations, the grey wolf (Canis lupus) is re-colonising its historic range in Europe. However, wolves have never been extirpated across large areas in Eastern Europe but are often constrained to remote and inaccessible places due to centuries of persecution. This study aimed to identify the potentially suitable wolf habitats in Polesia, a massive cross-border lowland region extending over southern Belarus and northern Ukraine, which are often neglcted in large carnivore studies at the continental scale. We hypothesized that anthropogenic rather than environmental factors govern wolf habitat suitability. We used a dataset of 4,191 GPS locations obtained from radio-collared wolves (n=26) and confirmed observations (n=231) during 2014-2021 and applied maximum entropy method to estimate relative habitat suitability for wolves in Polesia. Artificial light at night (ALAN), proportion of cropland and tree cover were the most important factors affecting wolf habitat suitability. Road densities contributed poorly to predicting habitat suitability for wolves. Our models predicted a quarter of Polesia as suitable habitat and revealed priority areas connecting the important source populations in the Chornobyl Exclusion Zone in the east and the Bia{\l}owie{\.z}a Forest in the west and thus essential for long-term wolf conservation. Our results provide the bases for effective, long-term wolf monitoring and management programs in both Belarus and Ukraine. However, national and transboundary wolf management in Polesia has been extremely challenging since 2022 due to the ongoing war and subsequent habitat degradation in this part of Europe.},
langid = {english},
keywords = {artificial light at night (ALAN),Belarus,Eastern Europe,habitat suitability modelling,Ukraine,wolf},
file = {/home/user1/Dropbox/Papers/Kudrenko et al_2023_Walking on the Dark Side.pdf}
}
@article{lan2020,
title = {Fine-Scale {{Population Structure}} and {{Demographic History}} of {{Han Chinese Inferred}} from {{Haplotype Network}} of 111,000 {{Genomes}}},
author = {Lan, Ao and Kang, Kang and Tang, Senwei and Wu, Xiaoli and Wang, Lizhong and Li, Teng and Weng, Haoyi and Deng, Junjie and Team, WeGene Research and Zheng, Qiang and Yao, Xiaotian and Chen, Gang},
year = {2020},
month = jul,
journal = {bioRxiv},
pages = {2020.07.03.166413},
publisher = {Cold Spring Harbor Laboratory},
doi = {10.1101/2020.07.03.166413},
urldate = {2021-03-03},
abstract = {{$<$}h3{$>$}ABSTRACT{$<$}/h3{$>$} {$<$}p{$>$}Han Chinese is the most populated ethnic group across the globe with a comprehensive substructure that resembles its cultural diversification. Studies have constructed the genetic polymorphism spectrum of Han Chinese, whereas high-resolution investigations are still missing to unveil its fine-scale substructure and trace the genetic imprints for its demographic history. Here we construct a haplotype network consisted of 111,000 genome-wide genotyped Han Chinese individuals from direct-to-consumer genetic testing and over 1.3 billion identity-by-descent (IBD) links. We observed a clear separation of the northern and southern Han Chinese and captured 5 subclusters and 17 sub-subclusters in haplotype network hierarchical clustering, corresponding to geography (especially mountain ranges), immigration waves, and clans with cultural-linguistic segregation. We inferred differentiated split histories and founder effects for population clans Cantonese, Hakka, and Minnan-Chaoshanese in southern China, and also unveiled more recent demographic events within the past few centuries, such as \emph{Zou Xikou} and \emph{Chuang Guandong}. The composition shifts of the native and current residents of four major metropolitans (Beijing, Shanghai, Guangzhou, and Shenzhen) imply a rapidly vanished genetic barrier between subpopulations. Our study yields a fine-scale population structure of Han Chinese and provides profound insights into the nation's genetic and cultural-linguistic multiformity.{$<$}/p{$>$}},
chapter = {New Results},
copyright = {{\copyright} 2020, Posted by Cold Spring Harbor Laboratory. This pre-print is available under a Creative Commons License (Attribution-NonCommercial-NoDerivs 4.0 International), CC BY-NC-ND 4.0, as described at http://creativecommons.org/licenses/by-nc-nd/4.0/},
langid = {english},
file = {/home/user1/Dropbox/Papers/Lan et al_2020_Fine-scale Population Structure and Demographic History of Han Chinese Inferred_.pdf}
}
@article{lapp2021,
title = {Regional Spread of {{blaNDM-1-containing Klebsiella}} Pneumoniae {{ST147}} in Post-Acute Care Facilities},
author = {Lapp, Zena and Crawford, Ryan and {Miles-Jay}, Arianna and Pirani, Ali and Trick, William E and Weinstein, Robert A and Hayden, Mary K and Snitkin, Evan S and Lin, Michael Y},
year = {2021},
month = may,
journal = {Clinical Infectious Diseases},
number = {ciab457},
issn = {1058-4838},
doi = {10.1093/cid/ciab457},
urldate = {2021-05-21},
abstract = {Carbapenem-resistant Enterobacterales (CRE) harboring blaKPC have been endemic in Chicago-area healthcare networks for more than a decade. During 2016-2019, a series of regional point prevalence surveys identified increasing prevalence of blaNDM-containing CRE in multiple long-term acute care hospitals (LTACHs) and ventilator-capable skilled nursing facilities (vSNFs). We performed a genomic epidemiology investigation of blaNDM-producing CRE to understand their regional emergence and spread.We performed whole-genome sequencing on NDM+ CRE isolates from four point-prevalence surveys across 35 facilities (LTACHs, vSNFs, and acute care hospital medical intensive care units) in the Chicago area and investigated the genomic relatedness and transmission dynamics of these isolates over time.Genomic analyses revealed that the rise of NDM+ CRE was due to the clonal dissemination of an ST147 Klebsiella pneumoniae strain harboring blaNDM-1 on an IncF plasmid. Dated phylogenetic reconstructions indicated that ST147 was introduced into the region around 2013 and likely acquired NDM around 2015. Analyzing the relatedness of strains within and between facilities supported initial increases in prevalence due to intra-facility transmission in certain vSNFs, with evidence of subsequent inter-facility spread among LTACHs and vSNFs connected by patient transfer.We identified a regional outbreak of blaNDM-1 ST147 that began in and disseminated across Chicago area post-acute care facilities. Our findings highlight the importance of performing genomic surveillance at post-acute care facilities to identify emerging threats.},
file = {/home/user1/Dropbox/Papers/Lapp et al_2021_Regional spread of blaNDM-1-containing Klebsiella pneumoniae ST147 in_.pdf}
}
@article{laptikhovsky,
title = {The Climate-Induced Changes in the Life History of the Common Cuttlefish in the {{English Channel}}},
author = {Laptikhovsky, Vladimir and Barrett, Christopher J. and Barry, Peter J. and Firmin, Chris and MacLeod, Eleanor and Stott, Samantha and Vieira, Rui},
journal = {Marine Ecology},
volume = {n/a},
number = {n/a},
pages = {e12810},
issn = {1439-0485},
doi = {10.1111/maec.12810},
urldate = {2024-05-22},
abstract = {The population of common cuttlefish Sepia officinalis in the English Channel recently developed two life cycles: annual (spawning 1 y.o.) and biennial (spawning 2 y.o.) instead of the biennial strategy known before, associated with increasing environmental temperatures in recent decades because of climate changes. Both groups differ in the size of mature animals (110--196 mm mantle length vs. 140--262 mm) and the number of chambers in the cuttlebone (60--97 in annual vs. 93--152 in biennial). The annual group represented some 15\%--20\% of the population, and the proportion of early spawners increased during the reproductive period, from 3\%--5\% in February/March to 50\%--70\% in June/July. Among spawning cuttlefish males predominated as 2:1. Such environmentally driven changes in historical ecology as exemplified by the cuttlefish might be a critical link in the adaptation of the cephalopod life cycles to changing ecosystems.},
copyright = {{\copyright} 2024 Wiley-VCH GmbH. Published by John Wiley \& Sons Ltd},
langid = {english},
keywords = {climate change,cuttlefish,English Channel,evolution of life histories,historical ecology,population structure,Sepia officinalis,spawning,stock structure}
}
@article{lee2023,
title = {Thermal and Humidification Effects of a Swimming Pool in {{Hong Kong}}'s Humid-Subtropical Summer},
author = {Lee, Louis S. H. and Jim, C. Y.},
year = {2023},
month = jul,
journal = {Sustainable Cities and Society},
pages = {104816},
issn = {2210-6707},
doi = {10.1016/j.scs.2023.104816},
urldate = {2023-07-25},
abstract = {The microclimatic effect of small urban water bodies such as swimming pools has received little attention. This study aimed at (1) comparing the microclimate adjacent to a swimming pool against two control sites and (2) quantifying the pool's cooling and humidification effects. We employed high-precision sensors to measure air temperature, humidity, black-globe temperature, and incoming and outgoing radiation at a swimming pool, nearby tennis court and turf sites in Hong Kong's humid-subtropical summer. On sunny days, we found a maximum poolside air temperature of 36.6{$^\circ$}C at 0.15 m height. The highest vapour pressure of 3.14--4.13 kPa occurred on cloudy days. Cooler rainy days lowered vapour pressure. Net short-wave radiation gain peaked at 840 W/m2 on sunny days. The findings suggested that energy stored in the morning retarded surface cooling later in the day. The morning poolside surface temperature was cooler than the turf by 3.8{$^\circ$}C but warmer by 5.7{$^\circ$}C in the afternoon, with lingering nighttime warming. Unexpectedly, the pool had lower vapour pressure than the control sites. The water body does not ameliorate heat stress on the deck in sunny conditions. The findings hinted that larger recreational blue spaces might generate more thermal and humidification effects.},
langid = {english},
keywords = {Cooling effect,Humid-subtropical climate,Humidification effect,Swimming pool,Urban blue space,Urban microclimate}
}
@article{liang2023,
title = {Deciphering the Functional Landscape of Phosphosites with Deep Neural Network},
author = {Liang, Zhongjie and Liu, Tonghai and Li, Qi and Zhang, Guangyu and Zhang, Bei and Du, Xikun and Liu, Jingqiu and Chen, Zhifeng and Ding, Hong and Hu, Guang and Lin, Hao and Zhu, Fei and Luo, Cheng},
year = {2023},
month = sep,
journal = {Cell Reports},
volume = {42},
number = {9},
publisher = {Elsevier},
issn = {2211-1247},
doi = {10.1016/j.celrep.2023.113048},
urldate = {2023-09-19},
langid = {english},
pmid = {37659078},
keywords = {CP: Genomics,CP: Molecular biology,deep neural network,enzymatic activity,evolutionary features,functional phosphosite,NADK,network embedding,protein-protein interaction (PPI)},
file = {/home/user1/Dropbox/Papers/Liang et al_2023_Deciphering the functional landscape of phosphosites with deep neural network.pdf}
}
@article{lin2023,
title = {The {{NSP4 T492I}} Mutation Increases {{SARS-CoV-2}} Infectivity by Altering Non-Structural Protein Cleavage},
author = {Lin, Xiaoyuan and Sha, Zhou and Trimpert, Jakob and Kunec, Dusan and Jiang, Chen and Xiong, Yan and Xu, Binbin and Zhu, Zhenglin and Xue, Weiwei and Wu, Haibo},
year = {2023},
month = jul,
journal = {Cell Host \& Microbe},
issn = {1931-3128},
doi = {10.1016/j.chom.2023.06.002},
urldate = {2023-07-06},
abstract = {The historically dominant SARS-CoV-2 Delta variant and the currently dominant Omicron variants carry a T492I substitution within the non-structural protein 4 (NSP4). Based on in silico analyses, we hypothesized that the T492I mutation increases viral transmissibility and adaptability, which we confirmed with competition experiments in hamster and human airway tissue culture models. Furthermore, we showed that the T492I mutation increases the replication capacity and infectiveness of the virus and improves its ability to evade host immune responses. Mechanistically, the T492I mutation increases the cleavage efficiency of the viral main protease NSP5 by enhancing enzyme-substrate binding, which increases production of nearly all non-structural proteins processed by NSP5. Importantly, the T492I mutation suppresses viral-RNA-associated chemokine production in monocytic macrophages, which may contribute to the attenuated pathogenicity of Omicron variants. Our results highlight the importance of NSP4 adaptation in the evolutionary dynamics of SARS-CoV-2.},
langid = {english},
keywords = {attenuated pathogenicity,immune evasion,NSP4,replication,T492I},
file = {/home/user1/Dropbox/Papers/Lin et al_2023_The NSP4 T492I mutation increases SARS-CoV-2 infectivity by altering.pdf}
}
@article{luquet,
title = {Predicting the Seasonal Flight Activity of {{Myzus}} Persicae, the Main Aphid Vector of {{Virus Yellows}} in Sugar Beet},
author = {Luquet, Martin and Sylvain, Poggi and Buchard, Christelle and Plantegenest, Manuel and Tricault, Yann},
journal = {Pest Management Science},
volume = {n/a},
number = {n/a},
issn = {1526-4998},
doi = {10.1002/ps.7653},
urldate = {2023-07-13},
abstract = {Background Virus Yellows (VY), a disease caused by several aphid-borne viruses, is a major threat to the global sugar beet production. Following the ban of neonicotinoid-based seed treatments against aphids in Europe, increased efforts are needed to monitor and forecast aphid population spread during the sugar beet growing season. In particular, predicting aphid flight seasonal activity could allow anticipation of the timing and intensity of crop colonisation and contribute to the proper implementation of management methods. Forecasts should be made early enough to assess risk, but can be updated as the season progresses to refine management. Based on a long-term suction-trap dataset gathered between 1978 to 2014, we built and evaluated a set of models to predict the flight activity features of the main VY vector, Myzus persicae, at any location in the French sugar beet production area (circa 4.105 ha). Flight onset dates, length of flight period and cumulative abundance of flying aphids were predicted using climatic and land-use predictors as well as geographical position. Results Our predictions outperformed current models published in the literature. The importance of the predictor variables varied according to the predicted flight feature but winter and early spring temperature always played a major role. Forecasts based on temperature were made more accurate by adding predictors related to aphid winter reservoirs. In addition, updating the model parameters to take advantage of new weather data acquired during the season improved the flight forecast. Conclusion Our models can be used as a tool for the mitigation in sugar beet crops. This article is protected by copyright. All rights reserved.},
copyright = {This article is protected by copyright. All rights reserved.},
langid = {english},
keywords = {Epidemiological surveillance,Forecasting,Myzus persicae,Regression model,Sugar beet,Virus Yellows}
}
@article{ma2020,
title = {Identification of Key Genes Associated with Progression and Prognosis for Lung Squamous Cell Carcinoma},
author = {Ma, Xiaohan and Ren, Huijun and Peng, Ruoyu and Li, Yi and Ming, Liang},
year = {2020},
month = may,
journal = {PeerJ},
volume = {8},
pages = {e9086},
issn = {2167-8359},
doi = {10.7717/peerj.9086},
urldate = {2024-02-12},
abstract = {Background Lung squamous cell carcinoma (LUSC) is a major subtype of lung cancer with limited therapeutic options and poor clinical prognosis. Methods Three datasets (GSE19188, GSE33532 and GSE33479) were obtained from the gene expression omnibus (GEO) database. Differentially expressed genes (DEGs) between LUSC and normal tissues were identified by GEO2R, and functional analysis was employed using the Database for Annotation, Visualization and Integrated Discovery (DAVID) online tool. Protein--protein interaction (PPI) and hub genes were identified via the Search Tool for the Retrieval of Interacting Genes (STRING) and Cytoscape software. Hub genes were further validated in The Cancer Genome Atlas (TCGA) database. Subsequently, survival analysis was performed using the Kapla--Meier curve and Cox progression analysis. Based on univariate and multivariate Cox progression analysis, a gene signature was established to predict overall survival. Receiver operating characteristic curve was used to evaluate the prognostic value of the model. Results A total of 116 up-regulated genes and 84 down-regulated genes were identified. These DEGs were mainly enriched in the two pathways: cell cycle and p53 signaling way. According to the degree of protein nodes in the PPI network, 10 hub genes were identified. The mRNA expression levels of the 10 hub genes in LUSC were also significantly up-regulated in the TCGA database. Furthermore, a novel seven-gene signature (FLRT3, PPP2R2C, MMP3, MMP12, CAPN8, FILIP1 and SPP1) from the DEGs was constructed and acted as a significant and independent prognostic signature for LUSC. Conclusions The 10 hub genes might be tightly correlated with LUSC progression. The seven-gene signature might be an independent biomarker with a significant predictive value in LUSC overall survival.},
pmcid = {PMC7210810},
pmid = {32411535},
file = {/home/user1/Dropbox/Papers/Ma et al_2020_Identification of key genes associated with progression and prognosis for lung.pdf}
}
@article{ma2023,
title = {A Systematic Review, Meta-Analysis and Meta-Regression of the Global Prevalence of Foodborne {{Vibrio}} Spp. Infection in Fishes: {{A}} Persistent Public Health Concern},
shorttitle = {A Systematic Review, Meta-Analysis and Meta-Regression of the Global Prevalence of Foodborne {{Vibrio}} Spp. Infection in Fishes},
author = {Ma, Jun-Yang and Zhu, Xin-Kun and Hu, Ren-Ge and Qi, Ze-Zheng and Sun, Wen-Chao and Hao, Zhi-Peng and Cong, Wei and Kang, Yuan-Huan},
year = {2023},
month = feb,
journal = {Marine Pollution Bulletin},
volume = {187},
pages = {114521},
issn = {0025-326X},
doi = {10.1016/j.marpolbul.2022.114521},
urldate = {2023-01-10},
abstract = {Human vibriosis, caused by pathogenic Vibrio spp., such as Vibrio parahaemolyticus, Vibrio cholerae and Vibrio vulnificus, has been increasing worldwide, mediated by increasing consumption of seafood. The present study was conducted to examine the global prevalence of V. vulnificus, V. parahaemolyticus and V. cholerae in fishes. We searched PubMed, Web of Science, Scopus, and CNKI for peer-reviewed articles and dissertations prior to December 31, 2021. A total of 24,831 articles were retrieved, and 82 articles contained 61 fish families were included. The global pooled prevalence of V. cholerae, V. parahaemolyticus and V. vulnificus in fishes was 9.56~\% (95~\% CI: 2.12--20.92), 24.77~\% (95~\% CI: 17.40--32.93) and 5.29~\% (95~\% CI: 0.38--13.61), respectively. Subgroup and meta-regression analyses showed that study-level covariates, including temperature, country, continent, origin and detection methods partly explained the between-study heterogeneity. These heterogeneities were underpinned by differences of the three Vibrio spp. in fishes at geographical and climatic scales. These results reveal a high global prevalence of pathogenic Vibrio spp. in fishes and highlight the need for implementation of more effective prevention and control measures to reduce food-borne infection in humans.},
langid = {english},
keywords = {Fish,Global prevalence,Meta-analysis,spp.,Systematic review}
}
@article{maghini2023,
title = {Quantifying Bias Introduced by Sample Collection in Relative and Absolute Microbiome Measurements},
author = {Maghini, Dylan G. and Dvorak, Mai and Dahlen, Alex and Roos, Morgan and Kuersten, Scott and Bhatt, Ami S.},
year = {2023},
month = apr,
journal = {Nat Biotechnol},
pages = {1--11},
publisher = {Nature Publishing Group},
issn = {1546-1696},
doi = {10.1038/s41587-023-01754-3},
urldate = {2023-05-02},
abstract = {To gain insight into the accuracy of microbial measurements, it is important to evaluate sources of bias related to sample condition, preservative method and bioinformatic analyses. There is increasing evidence that measurement of the total count and concentration of microbes in the gut, or `absolute abundance', provides a richer source of information than relative abundance and can correct some conclusions drawn from relative abundance data. However, little is known about how preservative choice can affect these measurements. In this study, we investigated how two common preservatives and short-term storage conditions impact relative and absolute microbial measurements. OMNIgene GUT OMR-200 yields lower metagenomic taxonomic variation between different storage temperatures, whereas Zymo DNA/RNA Shield yields lower metatranscriptomic taxonomic variation. Absolute abundance quantification reveals two different causes of variable Bacteroidetes:Firmicutes ratios across preservatives. Based on these results, we recommend OMNIgene GUT OMR-200 preservative for field studies and Zymo DNA/RNA Shield for metatranscriptomics studies, and we strongly encourage absolute quantification for microbial measurements.},
copyright = {2023 The Author(s), under exclusive licence to Springer Nature America, Inc.},
langid = {english},
keywords = {Metagenomics,Microbiome}
}
@article{mehic,
title = {Genome Sequence and Characterisation of a Freshwater Photoarsenotroph, {{Cereibacter}} Azotoformans Strain {{ORIO}}, Isolated from Sediments Capable of Cyclic Light--Dark Arsenic Oxidation and Reduction},
author = {Mehi{\'c}, Sanjin and Saltikov, Chad},
journal = {Environmental Microbiology},
volume = {n/a},
number = {n/a},
issn = {1462-2920},
doi = {10.1111/1462-2920.16542},
urldate = {2023-11-21},
abstract = {A freshwater photosynthetic arsenite-oxidizing bacterium, Cereibacter azotoformans strain ORIO, was isolated from Owens River, CA, USA. The waters from Owens River are elevated in arsenic and serve as the headwaters to the Los Angeles Aqueduct. The complete genome sequence of strain ORIO is 4.8 Mb genome (68\% G + C content) and comprises two chromosomes and six plasmids. Taxonomic analysis placed ORIO within the Cereibacter genus (formerly Rhodobacter). The ORIO genome contains arxB2AB1CD (encoding an arsenite oxidase), arxXSR (regulators) and several ars arsenic resistance genes all co-localised on a 136 kb plasmid, named pORIO3. Phylogenetic analysis of ArxA, the molybdenum-containing arsenite oxidase catalytic subunit, demonstrated photoarsenotrophy is likely to occur within members of the Alphaproteobacteria. ORIO is a mixotroph, oxidises arsenite to arsenate (As(V)) photoheterotrophically, and expresses arxA in cultures grown with arsenite. Further ecophysiology studies with Owens River sediment demonstrated the interconversion of arsenite and As(V) was dependent on light--dark cycling. arxA and arrA (As(V) respiratory reductase) genes were detected in the light--dark cycled sediment metagenomes suggesting syntrophic interactions among arsenotrophs. This work establishes C. azotoformans str. ORIO as a new model organism for studying photoarsenotrophy and light--dark arsenic biogeochemical cycling.},
copyright = {{\copyright} 2023 The Authors. Environmental Microbiology published by Applied Microbiology International and John Wiley \& Sons Ltd.},
langid = {english},
file = {/home/user1/Dropbox/Papers/Mehić_Saltikov_Genome sequence and characterisation of a freshwater photoarsenotroph,.pdf}
}
@phdthesis{mehic2022,
title = {Genomic and {{Physiologic Characterization}} of a {{Freshwater Photoarsenotroph}}, {{Cereibacter}} Azotoformans Str. {{ORIO}}, {{Isolated From Sediments Capable}} of {{Light-Dark Arsenic Redox Cycling}}},
author = {Mehic, Sanjin},
year = {2022},
urldate = {2023-05-09},
abstract = {Photoarsenotrophy is an anoxygenic photosynthesis-dependent arsenite oxidation pathway encoded by the Arx gene cluster and is linked to light-dark cycling of arsenic in freshwater environments. This dissertation uses techniques from microbiology, molecular genetics, DNA sequencing, and analytical chemistry to characterize photoarsenotrophy in freshwater environments. The hypothesis is that photoarsenotrophy occurs in freshwater environments and is associated with light-dark cycling of arsenic, which may have a different effect on arsenic biogeochemical cycling when compared to Arx-type arsenotrophy. Light-dark arsenic redox cycling is defined herein as variations in arsenic species, arsenite and arsenate, that correlate to light or dark phases.Since the discovery of photoarsenotrophy in 2008, less than a dozen Arx-dependent arsenotrophs have been isolated, and light-dependent arsenite oxidation has only been detected in three genera (Ectothiorhodospira sp. strains MLW-1, PHS-1, BSL-9, Ect. shaposhnikovii strains DSM 243 and DSM 2001, Halorhodospira halophila SL-1, and now Cereibacter azotoformans str. ORIO). The other studied Arx-dependent arsenotrophs couple arsenite oxidation to anaerobic respiration (i.e., nitrate reduction) instead of anoxygenic photosynthesis (Alkalilimnicola ehrlichii str. MLHE-1, Azoarcus sp. CIB, Sterolibacteraceae strain M52, Desulfotomaculum strain TC-1, and Halomonas sp. ANAO440). In this thesis, I define the light requirement by referring to photosynthesis-dependent arsenite-oxidation as photoarsenotrophy, and photosynthesis-independent Arx-type arsenite-oxidation as Arx-type arsenotrophy. This difference in light requirement is important as it introduces the possibility that light-dark cycling of arsenic could occur in environments containing a photoarsenotroph and arsenate reducer, since Arx-type arsenotrophs are able to oxidize arsenite in the dark so long there is availability of a terminal electron acceptor.The first question investigated was: Does photoarsenotrophy occur in freshwater environments? This question was studied through the isolation and genetic characterization of a novel photoarsenotroph from freshwater sediments in Owens River, CA, USA. Our results show the photoarsenotrophs are present in freshwater environments and harbor the Arx genes required for photoarsenotrophy.The second question investigated was: Can arsenic be light-dark cycled in the environment? In other words, do concentrations of different arsenic forms correlate to the light phase or dark phase of a day? To answer this question, we performed anaerobic microcosm studies with sediment collected from Owens River. Arsenic speciation was measured over light-dark cycles and was followed by metagenome sequencing and analysis. The results provide evidence of light-dark cycling in freshwater sediments and the potential genes involved in the cycle. The third question investigated was: Can we develop a new model organism for studying photoarsenotrophy? We successfully determined that Cereibacter azotoformans str. ORIO is genetically malleable using traditional cloning techniques and can serve as a model for studying the biological mechanism underlying photoarsenotrophy. This was achieved by validating the role of the arxA gene in ORIO and characterizing the physiology surrounding arsenite oxidation.Taken together, these studies show photoarsenotrophy occurs in freshwater environments, ORIO can serve as a model organism for studying photoarsenotrophy, and evidence of light-dark arsenic redox cycling in freshwater sediments.},
langid = {english},
school = {UC Santa Cruz},
file = {/home/user1/Dropbox/Papers/Mehic_2022_Genomic and Physiologic Characterization of a Freshwater Photoarsenotroph,.pdf}
}
@article{merinotejero2021,
title = {Multiscale {{Modeling}} of {{Germinal Center Recapitulates}} the {{Temporal Transition From Memory B Cells}} to {{Plasma Cells Differentiation}} as {{Regulated}} by {{Antigen Affinity-Based Tfh Cell Help}}},
author = {Merino Tejero, Elena and Lashgari, Danial and {Garc{\'i}a-Valiente}, Rodrigo and Gao, Xuefeng and Crauste, Fabien and Robert, Philippe A. and {Meyer-Hermann}, Michael and Mart{\'i}nez, Mar{\'i}a Rodr{\'i}guez and {van Ham}, S. Marieke and Guikema, Jeroen E. J. and Hoefsloot, Huub and {van Kampen}, Antoine H. C.},
year = {2021},
month = feb,
journal = {Front Immunol},
volume = {11},
issn = {1664-3224},
doi = {10.3389/fimmu.2020.620716},
urldate = {2021-03-03},
abstract = {Germinal centers play a key role in the adaptive immune system since they are able to produce memory B cells and plasma cells that produce high affinity antibodies for an effective immune protection. The mechanisms underlying cell-fate decisions are not well understood but asymmetric division of antigen, B-cell receptor affinity, interactions between B-cells and T follicular helper cells (triggering CD40 signaling), and regulatory interactions of transcription factors have all been proposed to play a role. In addition, a temporal switch from memory B-cell to plasma cell differentiation during the germinal center reaction has been shown. To investigate if antigen affinity-based Tfh cell help recapitulates the temporal switch we implemented a multiscale model that integrates cellular interactions with a core gene regulatory network comprising BCL6, IRF4, and BLIMP1. Using this model we show that affinity-based CD40 signaling in combination with asymmetric division of B-cells result in switch from memory B-cell to plasma cell generation during the course of the germinal center reaction. We also show that cell fate division is unlikely to be (solely) based on asymmetric division of Ag but that BLIMP1 is a more important factor. Altogether, our model enables to test the influence of molecular modulations of the CD40 signaling pathway on the production of germinal center output cells.},
pmcid = {PMC7892951},
pmid = {33613551},
file = {/home/user1/Dropbox/Papers/Merino Tejero et al_2021_Multiscale Modeling of Germinal Center Recapitulates the Temporal Transition_.pdf}
}
@article{mokrousov2023,
title = {Insight into Pathogenomics and Phylogeography of Hypervirulent and Highly-Lethal {{Mycobacterium}} Tuberculosis Strain Cluster},
author = {Mokrousov, Igor and Vyazovaya, Anna and Shitikov, Egor and Badleeva, Maria and Belopolskaya, Olesya and Bespiatykh, Dmitry and Gerasimova, Alena and Ioannidis, Panayotis and Jiao, Weiwei and Khromova, Polina and Masharsky, Aleksey and Naizabayeva, Dinara and Papaventsis, Dimitrios and Pasechnik, Oksana and Perdig{\~a}o, Jo{\~a}o and Rastogi, Nalin and Shen, Adong and Sinkov, Viacheslav and Skiba, Yuriy and Solovieva, Natalia and Tafaj, Silva and Valcheva, Violeta and Kostyukova, Irina and Zhdanova, Svetlana and Zhuravlev, Viacheslav and Ogarkov, Oleg},
year = {2023},
month = jun,
journal = {BMC Infectious Diseases},
volume = {23},
number = {1},
pages = {426},
issn = {1471-2334},
doi = {10.1186/s12879-023-08413-7},
urldate = {2023-06-28},
abstract = {. The Mycobacterium tuberculosis Beijing genotype is globally spread lineage with important medical properties that however vary among its subtypes. M. tuberculosis Beijing 14717-15-cluster was recently discovered as both multidrug-resistant, hypervirulent, and highly-lethal strain circulating in the Far Eastern region of Russia. Here, we aimed to analyze its pathogenomic features and phylogeographic pattern.},
keywords = {Beijing genotype,Drug resistance,Mycobacterium tuberculosis,Virulence,Whole genome sequencing},
file = {/home/user1/Dropbox/Papers/Mokrousov et al_2023_Insight into pathogenomics and phylogeography of hypervirulent and.pdf}
}
@article{moore2024,
title = {Fitting {{Power-Law Relations}} in {{Watershed Science}} and {{Analysis}}, with an {{Example Using}} the {{R Language}}},
author = {Moore, R. Dan},
year = {2024},
month = feb,
journal = {Confluence: Journal of Watershed Science and Management},
volume = {7},
number = {1},
pages = {14 pp-14 pp},
issn = {2561-1836},
doi = {10.22230/jwsm.2024v7n1a53},
urldate = {2024-02-20},
abstract = {Many quantitative relationships in the environmental sciences, and specifically in watershed science, can effectively be modelled using a power-law function. Such relationships are often estimated using ordinary least squares regression after linearizing the relationship by log-transforming both the x and y variables. Alternative approaches include nonlinear least squares regression and generalized nonlinear least squares regression. However, there are some differences in the underlying characteristics of~ these models that can result in the generation of different relationships and associated prediction limits. This article provides an overview of the statistical models underlying these approaches, then illustrates their application using the R language for an example based on fitting a regional relationship to predict flood quantiles from catchment area. Keywords: law relationships, log-transformation, nonlinear least squares regression, generalized nonlinear least squares regression},
copyright = {Copyright (c) 2024 R. Dan Moore},
langid = {english},
file = {/home/user1/Dropbox/Papers/Moore_2024_Fitting Power-Law Relations in Watershed Science and Analysis, with an Example.pdf}
}
@article{navickaite2024,
title = {Occurrence and Characterization of {{rmtB-harbouring Salmonella}} and {{Escherichia}} Coli Isolates from a Pig Farm in the {{UK}}},
author = {Navickaite, Indre and Holmes, Harry and Dondi, Letizia and Randall, Luke and Fearnley, Catherine and Taylor, Emma and Fullick, Edward and Horton, Robert and Williamson, Susanna and AbuOun, Manal and Teale, Christopher and Anjum, Muna F},
year = {2024},
month = apr,
journal = {Journal of Antimicrobial Chemotherapy},
pages = {dkae102},
issn = {0305-7453},
doi = {10.1093/jac/dkae102},
urldate = {2024-04-19},
abstract = {To characterize and elucidate the spread of amikacin-resistant Enterobacteriaceae isolates from environmental samples on a pig farm in the UK, following the previous identification of index Salmonella isolates harbouring the rmtB gene, a 16S rRNA methylase.Environmental samples were collected during two visits to a pig farm in the UK. Isolates were recovered using selective media (amikacin 128 mg/L) followed by real-time PCR and WGS to analyse rmtB-carrying Salmonella and Escherichia coli isolates.Salmonella and E. coli isolates harbouring the rmtB gene were detected at both farm visits. All Salmonella isolates were found to be monophasic S. enterica serovar Typhimurium variant Copenhagen of ST34. rmtB-harbouring E. coli isolates were found to be one of three STs: ST4089, ST1684 and ST34. Long-read sequencing identified the rmtB gene to be chromosomally located in Salmonella isolates and on IncFII-type plasmids in E. coli isolates. The results showed the rmtB gene to be flanked by IS26 elements and several resistance genes.We report on the occurrence of rmtB-harbouring Enterobacteriaceae on a pig farm in the UK. rmtB confers resistance to multiple aminoglycosides and this work highlights the need for surveillance to assess dissemination and risk.}
}
@article{papacharalampous2021,
title = {Global-Scale Massive Feature Extraction from Monthly Hydroclimatic Time Series: {{Statistical}} Characterizations, Spatial Patterns and Hydrological Similarity},
shorttitle = {Global-Scale Massive Feature Extraction from Monthly Hydroclimatic Time Series},
author = {Papacharalampous, Georgia and Tyralis, Hristos and Papalexiou, Simon Michael and Langousis, Andreas and Khatami, Sina and Volpi, Elena and Grimaldi, Salvatore},
year = {2021},
month = may,
journal = {Science of The Total Environment},
volume = {767},
pages = {144612},
issn = {0048-9697},
doi = {10.1016/j.scitotenv.2020.144612},
urldate = {2021-03-03},
abstract = {Hydroclimatic time series analysis focuses on a few feature types (e.g., autocorrelations, trends, extremes), which describe a small portion of the entire information content of the observations. Aiming to exploit a larger part of the available information and, thus, to deliver more reliable results (e.g., in hydroclimatic time series clustering contexts), here we approach hydroclimatic time series analysis differently, i.e., by performing massive feature extraction. In this respect, we develop a big data framework for hydroclimatic variable behaviour characterization. This framework relies on approximately 60 diverse features and is completely automatic (in the sense that it does not depend on the hydroclimatic process at hand). We apply the new framework to characterize mean monthly temperature, total monthly precipitation and mean monthly river flow. The applications are conducted at the global scale by exploiting 40-year-long time series originating from over 13 000 stations. We extract interpretable knowledge on seasonality, trends, autocorrelation, long-range dependence and entropy, and on feature types that are met less frequently. We further compare the examined hydroclimatic variable types in terms of this knowledge and, identify patterns related to the spatial variability of the features. For this latter purpose, we also propose and exploit a hydroclimatic time series clustering methodology. This new methodology is based on Breiman's random forests. The descriptive and exploratory insights gained by the global-scale applications prove the usefulness of the adopted feature compilation in hydroclimatic contexts. Moreover, the spatially coherent patterns characterizing the clusters delivered by the new methodology build confidence in its future exploitation. Given this spatial coherence and the scale-independent nature of the delivered feature values (which makes them particularly useful in forecasting and simulation contexts), we believe that this methodology could also be beneficial within regionalization frameworks, in which knowledge on hydrological similarity is exploited in technical and operative terms.},
langid = {english},
keywords = {Autocorrelation,Entropy,Hydroclimatic signatures,Seasonality,Statistical hydrology,Trends},
file = {/home/user1/Dropbox/Papers/Papacharalampous et al_2021_Global-scale massive feature extraction from monthly hydroclimatic time series_.pdf}
}
@article{peng2023,
title = {Viruses in Deep-Sea Cold Seep Sediments Harbor Diverse Survival Mechanisms and Remain Genetically Conserved within Species},
author = {Peng, Yongyi and Lu, Zijian and Pan, Donald and Shi, Ling-Dong and Zhao, Zhao and Liu, Qing and Zhang, Chuwen and Jia, Kuntong and Li, Jiwei and Hubert, Casey R. J. and Dong, Xiyang},
year = {2023},
month = oct,
journal = {ISME J},
volume = {17},
number = {10},
pages = {1774--1784},
publisher = {Nature Publishing Group},
issn = {1751-7370},
doi = {10.1038/s41396-023-01491-0},
urldate = {2024-04-11},
abstract = {Deep sea cold seep sediments have been discovered to harbor novel, abundant, and diverse bacterial and archaeal viruses. However, little is known about viral genetic features and evolutionary patterns in these environments. Here, we examined the evolutionary ecology of viruses across active and extinct seep stages in the area of Haima cold seeps in the South China Sea. A total of 338 viral operational taxonomic units are identified and linked to 36 bacterial and archaeal phyla. The dynamics of host-virus interactions are informed by diverse antiviral defense systems across 43 families found in 487 microbial genomes. Cold seep viruses are predicted to harbor diverse adaptive strategies to persist in this environment, including counter-defense systems, auxiliary metabolic genes, reverse transcriptases, and alternative genetic code assignments. Extremely low nucleotide diversity is observed in cold seep viral populations, being influenced by factors including microbial host, sediment depth, and cold seep stage. Most cold seep viral genes are under strong purifying selection with trajectories that differ depending on whether cold seeps are active or extinct. This work sheds light on the understanding of environmental adaptation mechanisms and evolutionary patterns of viruses in the sub-seafloor biosphere.},
copyright = {2023 The Author(s)},
langid = {english},
keywords = {Microbial ecology,Virology},
file = {/home/user1/Dropbox/Papers/Peng et al_2023_Viruses in deep-sea cold seep sediments harbor diverse survival mechanisms and.pdf}