This Week in PNAS

In the early, online edition of the Proceedings of the National Academy of Sciences, an international team led by investigators in the US present findings from a population sequencing study of group A Streptococcus strain belonging to the Emm protein 1 serotype, commonly dubbed "flesh-eating bacteria." By sequencing the genomes of more than 3,600 of these "M1" strains, the researchers retraced the evolution and spread of epidemic group A Streptococcus.

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What happens to scientific papers when certain journals are no longer published? Some scientists are trying to make sure they don't disappear forever.

A study in Microbiome finds that heavy drinkers have an unhealthy mix of bacteria in their mouths.

Doctors and patients are still trying to figure out what role at-home genetic testing should play in healthcare, Newsweek says.

In Genome Research this week, mismatch repair deficiency in C. elegans, retracing transcriptions start site evolution in the human genome, and more.