Using array comparative genomic hybridization data for 21,470 individuals, Baylor College of Medicine's James Lupski and colleagues considered the frequency with which deletions or other disruptive copy number variants appear in genes known for roles in recessive disease. As they report in Genome Research, the investigators unearthed more than 3,200 instances in which deletions affected one allele of a recessive disease gene, affecting 419 different recessive disease genes in all.

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Senator Elizabeth Warren (D-Mass.) has released the results of a genetic ancestry analysis, the Boston Globe reports.

Retraction Watch's Ivan Oransky and Adam Marcus report that Harvard Medical School and Brigham and Women's Hospital have recommended that more than 30 papers from a former researcher be retracted.

Thomas Steitz, who won the 2009 chemistry Nobel Prize for his ribosome work, has died, the Washington Post reports.

In PLOS this week: mechanisms for genes implicated in coronary artery disease, rumen microbes and host genetics influence cow methane production, and more.