This Week in PNAS

In the early, online edition of the Proceedings of the National Academy of Sciences, researchers from the US, Italy, and Canada outline findings from a genomic study of infectious Streptococcus evolution. The team focused on the multilocus sequence type 1 in the invasive serotype V group B Streptococcus (GBS) — a form of the pathogen previously found to be a prevalent in non-pregnant individuals with GBS infections in the US and Canada over the past two decades or so.

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Researchers describe a way to share data while keeping it secure, Agence France Presse reports.

In Science this week: genetic mutations typically associated with esophageal cancer are common in older, healthy individuals, and more.

India's Council of Scientific and Industrial Research has a new director-general, according to ScienceInsider.

A new study links more than a hundred genes to autism spectrum disorder, Discover's D-brief blog reports.