In the British Journal of Cancer this week, researchers in the US and Europe describe their comparison of three methods for detecting KRAS mutations in preserved colorectal cancer samples. The team used the Cobas KRAS Mutation Test, the Qiagen Therascreen KRAS Kit, and Sanger sequencing on 120 colorectal cancer samples, and found that the Cobas test detected six mutations not found by Sanger sequencing and eight mutations not found by the Qiagen kit.

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In Science this week: factors influencing retrotransposon integration sites, and more.

A bioethicist argues for the responsible use of germline gene editing.

Some breweries are using DNA-based testing to determine whether unwanted bacteria are affecting their beers, The Verge reports.

Standardized N-of-1 trials will be needed to test out personalized medicines, writes Nicholas Schork from the J. Craig Venter Institute at Nature.