This Week in PNAS

In the early edition of the Proceedings of the National Academy of Sciences, researchers from Washington University present evidence suggesting gut microbial communities in infant guts vary with gestational age. The team did 16S ribosomal RNA sequencing on more than 900 stool samples to profile microbial community members in stool samples from 58 premature infants of different gestational ages tested over time.

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In Science this week: International Wheat Genome Sequencing Consortium publishes the bread wheat cultivar Chinese Spring reference genome, and more.

At his FDA Law Blog, Jeffrey Gibbs discusses FDA's technical assistance for the draft Diagnostic Accuracy and Innovation Act.

The New York Times reports that genetic testing has uncovered unfaithful penguins at a Utah aquarium.

Cancer researcher loses funding under new Wellcome Trust anti-bullying policies, the Guardian reports.