In PNAS, Mark Gerstein and his colleagues describe a new method to quantify microbial metabolic pathways in metagenomics samples. Using data from the Global Ocean Survey, the researchers developed a multivariate approach to associate metabolic pathway usage to differences in the environment. They identified pathways used in energy conversion, amino acid metabolism, cofactor synthesis, and more.

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Helix customers can purchase apps that interpret different aspects of their genome, Technology Review reports.

The New York Times reports that a number of companies and research institutes are pursuing gene therapies.

Salmon with shorter telomeres survive to make the trip back to their river homes, New Scientist reports.

In PLOS this week: vaginal microbiome composition, population patterns of Chagas-carrying Rhodnius ecuadoriensis, and more.