By Andrea Anderson

NEW YORK (GenomeWeb News) – By sequencing and comparing genomic DNA from wild red jungle fowl (Gallus gallus) and chickens (Gallus gallus domesticus) from several domestic populations, Swedish, French, and American researchers have been able to pinpoint parts of the chicken genome under selection during domestication.

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 Senator Lamar Alexander (R-Tenn.), who chairs the Senate health committee, will be retiring at the end of his term, Stat News reports.

UCSF researchers find that having two X chromosomes may contribute to women's longer lifespans, according to Discover's D-brief blog.

The Wall Street Journal reports on the US Centers for Disease Control and Prevention's use of genetic approaches to study foodborne illnesses.

In PNAS this week: immune cell profiling of wild baboons by social status, metabolomics profiling of esophageal tumors, and more.