54 Works

Data from: A transmission-virulence evolutionary trade-off explains attenuation of HIV-1 in Uganda

Fran├žois Blanquart, Mary Kate Grabowski, Joshua Herbeck, Fred Nalugoda, David Serwadda, Michael A. Eller, Merlin L. Robb, Ronald Gray, Godfrey Kigozi, Oliver Laeyendecker, Katrina A. Lythgoe, Gertrude Nakigozi, Thomas C. Quinn, Steven J. Reynolds, Maria J. Wawer & Christophe Fraser
Evolutionary theory hypothesizes that intermediate virulence maximizes pathogen fitness as a result of a trade-off between virulence and transmission, but empirical evidence remains scarce. We bridge this gap using data from a large and long-standing HIV-1 prospective cohort, in Uganda. We use an epidemiological-evolutionary model parameterised with this data to derive evolutionary predictions based on analysis and detailed individual-based simulations. We robustly predict stabilising selection towards a low level of virulence, and rapid attenuation of...

Data from: Mesopredator management: effects of red fox control on the abundance, diet and use of space by feral cats

Robyn Molsher, Alan E. Newsome, Thomas M. Newsome & Christopher R. Dickman
Apex predators are subject to lethal control in many parts of the world to minimize their impacts on human industries and livelihoods. Diverse communities of smaller predators - mesopredators - often remain after apex predator removal. Despite concern that these mesopredators may be 'released' in the absence of the apex predator and exert negative effects on each other and on co-occurring prey, these interactions have been little studied. Here, we investigate the potential effects of...

Data from: Historical baselines and the future of shell calcification for a foundation species in a changing ocean

Catherine A. Pfister, Kaustuv Roy, J. Timothy Wootton, Sophie J. McCoy, Robert T. Paine, Thomas H. Suchanek & Eric Sanford
Seawater pH and the availability of carbonate ions is decreasing due to anthropogenic carbon dioxide emissions, posing challenges for calcifying marine species. Marine mussels are of particular concern given their role as foundation species worldwide. Here, we document shell growth and calcification patterns in Mytilus californianus, the California mussel, over millennial and decadal scales. By comparing shell thickness across the largest modern shells, the largest mussels collected in the 1960s-1970s and shells from two Native...

Data from: Paralogs are revealed by proportion of heterozygotes and deviations in read ratios in genotyping by sequencing data from natural populations

Garrett J. McKinney, Ryan K. Waples, Lisa W. Seeb & James E. Seeb
Whole genome duplications have occurred in the recent ancestors of many plants, fish, and amphibians, resulting in a pervasiveness of paralogous loci and the potential for both disomic and tetrasomic inheritance in the same genome. Paralogs can be difficult to reliably genotype and are often excluded from genotyping-by-sequencing (GBS) analyses; however, removal requires paralogs to be identified which is difficult without a reference genome. We present a method for identifying paralogs in natural populations by...

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