147 Works

Data from: Molecular phylogenetics of Braconidae (Hymenoptera: Ichneumonoidea) based on multiple nuclear genes and implications for classification

Barbara J. Sharanowski, Ashley P.G. Dowling & Michael J. Sharkey
This study examined subfamilial relationships within Braconidae, using 4kb of sequence data for 139 taxa. Genetic sampling included previously used markers for phylogenetic studies of Braconidae (28S and 18S rDNA) as well as new nuclear protein-coding genes (CAD and ACC). Maximum likelihood and Bayesian inference of the concatenated dataset recovered a robust phylogeny, particularly for early divergences within the family. This study focused primarily on non-cyclostome subfamilies, but the monophyly of the cyclostome complex was...

Data from: Grains of connectivity: analysis at multiple spatial scales in landscape genetics

Paul Galpern, Micheline Manseau & Paul Wilson
Landscape genetic analyses are typically conducted at one spatial scale. Considering multiple scales may be essential for identifying landscape features influencing gene flow. We examined landscape connectivity for woodland caribou (Rangifer tarandus caribou) at multiple spatial scales using a new approach based on landscape graphs that creates a Voronoi tessellation of the landscape. To illustrate the potential of the method, we generated five resistance surfaces to explain how landscape pattern may influence gene flow across...

Data from: The effect of terrain and female density on survival of neonatal white-tailed deer and mule deer fawns

Maegwin Bonar, Micheline Manseau, Justin Geisheimer, Travis Bannatyne & Susan Lingle
Juvenile survival is a highly variable life-history trait that is critical to population growth. Antipredator tactics, including an animal's use of its physical and social environment, are critical to juvenile survival. Here, we tested the hypothesis that habitat and social characteristics influence coyote (Canis latrans) predation on white-tailed deer (Odocoileus virginianus) and mule deer (O. hemionus) fawns in similar ways during the neonatal period. This would contrast to winter when the habitat and social characteristics...

Data from: Resolving rapid radiations within angiosperm families using anchored phylogenomics

Étienne Léveillé-Bourret, Julian R. Starr, Bruce A. Ford, Emily Moriarty Lemmon & Alan R. Lemmon
Despite the promise that molecular data would provide a seemingly unlimited source of independent characters, many plant phylogenetic studies are still based on only two regions, the plastid genome and nuclear ribosomal DNA (nrDNA). Their popularity can be explained by high copy numbers and universal PCR primers that make their sequences easily amplified and converted into parallel datasets. Unfortunately, their utility is limited by linked loci and limited characters resulting in low confidence in the...

Data from: Sex-specific graphs: Relating group-specific topology to demographic and landscape data

Philip Bertrand, Jeff Bowman, Rodney Dyer, Micheline Manseau, Paul J. Wilson & Rodney J. Dyer
Sex-specific genetic structure is a commonly observed pattern among vertebrate species. Facing differential selective pressures, individuals may adopt sex-specific life history traits that ultimately shape genetic variation among populations. Although differential dispersal dynamics are commonly detected in the literature, few studies have used genetic structure to investigate sex-specific functional connectivity. The recent use of graph theoretic approaches in landscape genetics has demonstrated network capacities to describe complex system behaviours where network topology represents genetic interaction...

Data from: Social and spatial effects on genetic variation between foraging flocks in a wild bird population

Reinder Radersma, Colin J. Garroway, Anna W. Santure, Isabelle De Cauwer, Damien R. Farine, Jon Slate & Ben C. Sheldon
Social interactions are rarely random. In some instances animals exhibit homophily or heterophily, the tendency to interact with similar or dissimilar conspecifics respectively. Genetic homophily and heterophily influence the evolutionary dynamics of populations, because they potentially affect sexual and social selection. Here we investigate the link between social interactions and allele frequencies in foraging flocks of great tits (Parus major) over three consecutive years. We constructed co-occurrence networks which explicitly described the splitting and merging...

Data from: Spatial, temporal and individual-based differences in nest-site visits and subsequent reproductive success in wild great tits

Joshua A. Firth, Brecht L. Verhelst, Ross A. Crates, Colin J. Garroway, Ben C. Sheldon & Josh A. Firth
The behaviour of individual birds before and during the breeding period may be an important factor determining reproductive success. One commonly observed behaviour during the breeding period in many species is the visitation of multiple potential breeding sites. Much research has attempted to determine the function and consequences of this behaviour, but traditionally studies have been limited to not examining individual-level behaviour, or only considering a small number of individuals. We used automated recording of...

Data from: Going the distance: Influence of distance between boat noise and nest site on the behavior of paternal smallmouth bass

Katharine MacLean, Tanya Prystay, Michael Lawrence, Aarron Zolderdo, Lee Gutowsky, Erica Staaterman, Austin Gallagher & Steven Cooke
The effects of anthropogenic noise have garnered significant attention in marine ecosystems, but comparatively less is known about its impacts on freshwater ecosystems. For fish that provide parental care, the effects of acoustic disturbance could have fitness-level consequences if nest tending behavior is altered. This study explored the effects of motorboat noise on the parental behavior of nesting male smallmouth bass (Micropterus dolomieu; Lacépède, 1802), an important freshwater game fish in North America that provides...

Lake Winnipeg Basin Program

2010 Environment Canada Benthic Invertebrate Sampling-Kick Method

Canada Ecozones

Data from: Crop production in the USA is frequently limited by a lack of pollinators

James Reilly, Derek Artz, David Biddinger, Kyle Bobiwash, Natalie Boyle, Claire Brittain, Julia Brokaw, Josh Campbell, Jaret Daniels, Elizabeth Elle, Jamie Ellis, Shelby Fleischer, Jason Gibbs, Robert Gillespie, Knute Gundersen, Larry Gut, George Hoffman, Neelendra Joshi, Ola Lundin, Keith Mason, Carley McGrady, Steve Peterson, Theresa Pitts-Singer, Sujaya Rao, Nikki Rothwell … & Rachael Winfree
Most of the world’s crops depend on pollinators, so declines in both managed and wild bees raise concerns about food security. However, the degree to which insect pollination is actually limiting current crop production is poorly understood, as is the role of wild species (as opposed to managed honey bees) in pollinating crops, particularly in intensive production areas. We established a nation-wide study to assess the extent of pollinator limitation in seven crops at 131...

Dataset for: Phosphorus mobilization from intact soil monoliths flooded under simulated summer versus spring snowmelt with intermittent freeze-thaw conditions

Darshani Kumaragamage, Chamara Weerasekera, Wole Akinremi, Srimathie Indraratne & Doug Goltz
Enhanced phosphorus (P) release from flooded, anaerobic soils have been extensively studied under summer temperatures, but not under cold temperatures with intermittent freeze-thaw events. We investigated the temperature and freeze/ thaw effects during flooding on the release of P to floodwater from soil monoliths (15-cm depth) collected from eight agricultural fields in Manitoba. Soil monoliths were flooded with reverse osmosis water and incubated for 56 d under simulated summer flooding (SSF, 22±1 ℃), or snowmelt...

Data and R code from: Relics of beavers past: time and population density drive scale-dependent patterns of ecosystem engineering

Sean Johnson-Bice, Thomas Gable, Steve Windels & George Host
Like many ecological processes, natural disturbances exhibit scale-dependent dynamics that are largely a function of the magnitude, frequency, and scale at which they are assessed. Ecosystem engineers create patch-scale disturbances that affect ecological processes, yet we know little about how these effects scale across space or vary through time. Here, we investigate how patch disturbances by beavers (Castor canadensis), ecosystem engineers renowned for their pond-creation behavior, affect ecological processes across space and time. We evaluated...

The socioeconomic status of cities covaries with avian life-history strategies

Riikka P Kinnunen, Kevin C Fraser, Chloé Schmidt & Colin J Garroway
Cities are the planet’s newest ecosystem and thus provide the opportunity to study community formation directly following major permanent environmental change. The human social and built components of environments can vary widely in different cities, yet it is largely unknown how features of cities covary with the traits of colonizing species despite humans being the ultimate cause of environments and disturbances in cities. We constructed a dataset from open-source data comprised of 13,502 breeding season...

Additional file 6 of Dysregulation of neuroprotective astrocytes, a spectrum of microglial activation states, and altered hippocampal neurogenesis are revealed by single-cell RNA sequencing in prion disease

Jessy A. Slota, Babu V. Sajesh, Kathy F. Frost, Sarah J. Medina & Stephanie A. Booth
Additional file 6: Mann-Whitney p-values corresponding to relative frequency differences between RML and mock infected mice for each cell sub-cluster in the subset astrocyte dataset.

Additional file 7 of Dysregulation of neuroprotective astrocytes, a spectrum of microglial activation states, and altered hippocampal neurogenesis are revealed by single-cell RNA sequencing in prion disease

Jessy A. Slota, Babu V. Sajesh, Kathy F. Frost, Sarah J. Medina & Stephanie A. Booth
Additional file 7: Mann-Whitney p-values corresponding to relative frequency differences between RML and mock infected mice for each cell sub-cluster in the subset neuron dataset.

Additional file 9 of Dysregulation of neuroprotective astrocytes, a spectrum of microglial activation states, and altered hippocampal neurogenesis are revealed by single-cell RNA sequencing in prion disease

Jessy A. Slota, Babu V. Sajesh, Kathy F. Frost, Sarah J. Medina & Stephanie A. Booth
Additional file 9: Mann-Whitney p-values corresponding to relative frequency differences between RML and mock infected mice for each cell sub-cluster in the subset microglia dataset.

Additional file 4 of The pangenome of the wheat pathogen Pyrenophora tritici-repentis reveals novel transposons associated with necrotrophic effectors ToxA and ToxB

Ryan Gourlie, Megan McDonald, Mohamed Hafez, Rodrigo Ortega-Polo, Kristin E. Low, D. Wade Abbott, Stephen E. Strelkov, Fouad Daayf & Reem Aboukhaddour
Additional file 4. Annotation of genes present within the 143 kb Starship transposon ‘Horizon’ present in the race 8 isolate I-73-1.

Additional file 4 of The pangenome of the wheat pathogen Pyrenophora tritici-repentis reveals novel transposons associated with necrotrophic effectors ToxA and ToxB

Ryan Gourlie, Megan McDonald, Mohamed Hafez, Rodrigo Ortega-Polo, Kristin E. Low, D. Wade Abbott, Stephen E. Strelkov, Fouad Daayf & Reem Aboukhaddour
Additional file 4. Annotation of genes present within the 143 kb Starship transposon ‘Horizon’ present in the race 8 isolate I-73-1.

Additional file 6 of The pangenome of the wheat pathogen Pyrenophora tritici-repentis reveals novel transposons associated with necrotrophic effectors ToxA and ToxB

Ryan Gourlie, Megan McDonald, Mohamed Hafez, Rodrigo Ortega-Polo, Kristin E. Low, D. Wade Abbott, Stephen E. Strelkov, Fouad Daayf & Reem Aboukhaddour
Additional file 6. Number of core, accessory, and singleton genes on individual contigs of the long-read assemblies of I-73-1 and D308.

An overview of the characteristics and methodological standards across systematic reviews with Meta-analysis of efficacy/effectiveness of influenza antiviral drugs

George N. Okoli, Otto L. T. Lam, Viraj K. Reddy, Yahya Al-Yousif, Florentin Racovitan & Nicole Askin
Influenza antiviral drugs remain controversial and it is not clear if conclusions on their efficacy/effectiveness are based on high quality systematic reviews (SRs). We systematically identified, critically appraised, and summarized the characteristics and adherence to methodological standards in SRs with meta-analysis of efficacy/effectiveness of influenza antiviral drugs for prevention and/or treatment of influenza. We searched MEDLINE, Embase, Scopus, CINAHL, Global Health, and CDSR for English-language SR publications up to July 2020. We summarized the characteristics,...

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