They're Not All Good

In a recent study, scientists at the Department of Veterans Affairs Medical Center in Oklahoma City found that Enterococcus faecalis bacteria living in the gut can damage DNA and up gene expression linked to colon cancer, reports the BBC. They exposed colon cells in vitro to the bacterium and found that when it was in a "fermentation state," it produced a "superoxide" molecule that could damage DNA in surrounding cells.

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The Washington Post reports on a Federal Bureau of Investigation plan to place rapid DNA analyzers at booking stations around the country.

In an editorial, officials from scientific societies in the US and China call for the international community to develop criteria and standards for human germline editing.

The US National Institutes of Health is to review studies that have received private support for conflicts of interest, according to the New York Times.

In Science this week: the PsychENCODE Consortium reports on the molecular mechanisms of neuropsychiatric disorders, and more.