evolutionary biology
Large-Scale Genome Sequencing Study Unravels History, Traits of Understudied African Populations
Researchers at UPenn and their colleagues sequenced the genomes of 180 Africans from 12 indigenous populations, identifying more than 32 million novel SNPs.
Germline Mutation Rates Differ Vastly Across Vertebrate Species; Show Sex Bias in Mammals, Birds
A team led by researchers in Denmark and China sequenced the genomes of 151 parent-offspring trios covering 68 species of mammals, fish, birds, and reptiles.
Humans Have Continued to Evolve New Genes, New Study Finds
A new analysis has uncovered 155 microproteins that emerged de novo, including ones that have quickly become functional, including in human heart tissue.
Study Finds Genetic Roots of Brown Coloring in Black Bears
With genome sequences from hundreds of American black bears, researchers narrowed in on a loss-of-function TYRP1 variant that is associated with brown fur.
Denisovan DNA Detected in Papuan Immune Gene Regulatory Regions
Researchers mapped archaic and non-archaic variants in 56 Papuan genome sequences, tracking down Denisovan variants at regulatory elements linked to cells with immune roles.