This Week in PNAS | GenomeWeb

This Week in PNAS

Researchers from Yale University and elsewhere report in the Proceedings of the National Academy of Sciences this week that Hydra contain two PIWI proteins that are expressed in Hydra stem/progenitor cells, though not in differentiated cells. By sequencing piRNAs that bind to either Hywi or Hyli and mapping them to the Hydra transcriptome, they further found that piRNAs, especially ones expressed in interstitial lineage, are enriched for transposon transcripts.

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In Science this week: metagenomic-based technique for determining protein structure, and more.

An academic laments the rise of narcissism in the sciences, the Guardian reports.

Outgoing FDA commissioner Robert Califf writes in an editorial that the agency can help boost innovation.

The Trump transition team has asked NIH Director Francis Collins to remain at his post, though it's unclear for how long that will be.