This Week in PNAS

In this week's PNAS Early Edition, an international team led by investigators at Yonsei University present RiceNet, "an experimentally tested genome-scale gene network for a monocotyledonous species." The authors say RiceNet can also "accurately predict gene function in another major monocotyledonous crop species, maize," and further, that it could facilitate the "engineering of pathways critical to crop productivity."

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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.