Agbio firm Rosetta Green said this week that it has successfully completed a preliminary study showing that the addition of a specific microRNA could improve the drought tolerance of potato plants.

In the experiment, potato plants expressing a miRNA identified as RGN-131 were found to demonstrate “significantly improved survival and tolerance to drought conditions compared to the control plants,” the company said.

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In PNAS this week: co-evolutionary signatures of insect hosts and bacterial symbionts, distinct transcript isoforms of high-grade ovarian cancer, and more.

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