iosthermal amplification

With its acquisition this week of privately held molecular diagnostic developer BioHelix, clinical diagnostics firm Quidel adds to its portfolio of technologies to enable its burgeoning molecular diagnostics business.

Health management-services and diagnostics firm Alere is developing a pair of nucleic acid testing platforms, representing the company's first major move into the molecular diagnostics space, according to recent company presentations.

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.