Tag: Evolutionary genetics

Biology

Resident microbial communities inhibit growth and antibiotic-resistance evolution of <i>Escherichia coli</i> in human gut microbiome samples

Newsemia
by Michael Baumgartner, Florian Bayer, Katia R. Pfrunder-Cardozo, Angus Buckling, Alex R. Hall Countering the rise of antibiotic-resistant pathogens requires improved understanding of how resistance...
Biology

Language evolution and complexity considerations: The no half-Merge fallacy

Newsemia
by Pedro Tiago Martins, Cedric Boeckx Recently, prominent theoretical linguists have argued for an explicit scenario for the evolution of the human language capacity on...
Biology

The role of selection and evolution in changing parturition date in a red deer population

Newsemia
by Timothée Bonnet, Michael B. Morrissey, Alison Morris, Sean Morris, Tim H. Clutton-Brock, Josephine M. Pemberton, Loeske E. B. Kruuk Changing environmental conditions cause changes...
Biology

Historical contingency in the evolution of antibiotic resistance after decades of relaxed selection

Newsemia
by Kyle J. Card, Thomas LaBar, Jasper B. Gomez, Richard E. Lenski Populations often encounter changed environments that remove selection for the maintenance of particular...
Biology

Song playbacks demonstrate slower evolution of song discrimination in birds from Amazonia than from temperate North America

Newsemia
by Jason T. Weir, Trevor D. Price Genetic data indicate differences in speciation rate across latitudes, but underlying causes have been difficult to assess because...
Biology

Evolution of intron splicing towards optimized gene expression is based on various <i>Cis</i>- and <i>Trans</i>-molecular mechanisms

Newsemia
by Idan Frumkin, Ido Yofe, Raz Bar-Ziv, Yonat Gurvich, Yen-Yun Lu, Yoav Voichek, Ruth Towers, Dvir Schirman, Heike Krebber, Yitzhak Pilpel Splicing expands, reshapes, and...
Biology

Widespread selection and gene flow shape the genomic landscape during a radiation of monkeyflowers

Newsemia
by Sean Stankowski, Madeline A. Chase, Allison M. Fuiten, Murillo F. Rodrigues, Peter L. Ralph, Matthew A. Streisfeld Speciation genomic studies aim to interpret patterns...
Biology

Genotype network intersections promote evolutionary innovation

Newsemia
by Devin P. Bendixsen, James Collet, Bjørn Østman, Eric J. Hayden Evolutionary innovations are qualitatively novel traits that emerge through evolution and increase biodiversity. The...
Biology

Contingency in the convergent evolution of a regulatory network: Dosage compensation in <i>Drosophila</i>

Newsemia
by Chris Ellison, Doris Bachtrog The repeatability or predictability of evolution is a central question in evolutionary biology and most often addressed in experimental evolution...
Biology

Evolutionary change in the human gut microbiome: From a static to a dynamic view

Newsemia
by Isabel Gordo Our intestine is a melting pot of interactions between microbial and human cells. This gene-rich ecosystem modulates our health, but questions remain...
Biology

Dominance reversals and the maintenance of genetic variation for fitness

Newsemia
by Tim Connallon, Stephen F. Chenoweth Antagonistic selection between different fitness components (e.g., survival versus fertility) or different types of individuals in a population (e.g.,...

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