Researchers have uncovered the carbapenem-resistance gene bla IMP-27 at a pig farm in the US, NBC News reports.
"It is an extremely rare gene. How it got on this farm, we don't know," senior author Thomas Wittum from Ohio State University tells NBC.
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The US Food and Drug Administration has new guidelines that enable some gene and cell therapies to undergo expedited review, according to the New York Times.
Using gene drives to control invasive species might be too risky, an initial advocate of the approach says.
In Science this week: intellectual property experts argue patent battles such as the one over CRISPR are wasteful, and more.
Researchers have grown tumors in 3D cell cultures to better understand cancer, the Economist reports.