This Week in PLOS

Investigators in Switzerland report their study of the establishment of a gut microbiome in infants in PLOS One. Using a combination of culturing, 16S rRNA gene sequencing, qPCR analysis, and Sanger sequencing, they examined the bacterial makeup of feces from seven healthy, vaginally delivered, breast-fed babies. The researchers found that there were more anaerobic bacteria than facultative anaerobic bacteria in all samples, with high levels of Bifidobacterium and Bacteroides.

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This Week in PLOS

This Week in PLOS

This Week in PLOS

This Week in PLOS

This Week in PLOS

David Dobbs writes at Buzzfeed that genomics has delivered little on its promises.

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

Adam Rutherford discusses genetic genealogy at the Guardian.

Portions of the US 21st Century Cures Act are raising some safety concerns.