A genetic analysis in PLOS One finds that Chinook salmon living in the Columbia River have lost much of their genetic diversity.
University of Pennsylvania researchers sequenced single mitochondria, which they noted could be used to track the development of mitochondrial disease.
Mitochondrial and nuclear genome sequences from straight-tusked elephants indicated they were a sister lineage to African forest elephants.
The team uncovered ties to Near Eastern and Levant populations with mitochondrial genome sequences and genome-wide SNP profiles for up to 90 Egyptian mummies.
In PLOS this week: selective constraint within aspen tree buds, bird phylogenetic diversity varies by latitude, and more.
An analysis of Aboriginal Australian samples stretching back to the 1920s suggests these populations may have been on the continent for up to 50,000 years.
In PLOS this week: chromosomal insertion mechanisms, phylogeographic analysis of the Crimean Congo hemorrhagic fever virus, and more.
Using mitochondrial sequence data for hundreds of simplex families, investigators found predicted pathogenic heteroplasmic mutations were over-represented.
Researchers found the European bison's origins go back to ancient interbreeding between steppe bison and cattle, shedding light on early cave art detailing the animal.
With DNA sequences gleaned from owl pellet samples, researchers characterized phylogenetic relationships for a shrew-like creature called the Island Murderer.
In a survey, about half of Canadian government scientists say they still feel as though they cannot speak freely, ScienceInsider reports.
Clinicians in China are moving ahead with a number of CRISPR trials, NPR reports, as the US embarks on its first.
The Atlantic reports that biohacker Josiah Zayner regrets injecting himself with the CRISPR gene-editing tool on stage.
In Nature this week: genomic approaches applied to study Neolithic and Bronze Age Europeans, and more.