The Spread of TB

The growth and spread of Mycobacterium tuberculosis parallels that of the human race, a new study in PLOS Pathogens says. The University of Wisconsin-Madison's Caitlin Pepperell and her colleagues examined sequence data from more than 60 TB strains to search for evidence of positive and negative selections as well as any regional differences in selection.

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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.