NEW YORK (GenomeWeb) – A team of researchers from Gansu Agricultural University in China this month reported on the discovery of four microRNAs in potatoes that regulate genes involved in the plant's response to drought.

Although more work needs to be done to elucidate the relationships between the miRNAs and their targets, the findings suggest that the small, non-coding RNAs could serve as targets for enhancing the ability of potatoes to survive in dry environments.

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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.