NEW YORK (GenomeWeb News) – Inherited germline mutations in mitochondrial DNA may interact with somatic mtDNA mutations acquired throughout an individual's lifetime in ways that accelerate the aging processes, according to a study online in Nature.

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In PNAS this week: ancestry and admixture in Brazilians, characterization of novel double-stranded RNA mycovirus, and more.

Researchers report that what scents someone picks up can reflect their complement of immune genes.

The New York Times examines ethics and China's push to lead biomedical research.

At her blog, Sally Rockey dives into National Institutes of Health funding data.