This Week in PNAS | GenomeWeb

This Week in PNAS

In the PNAS Early Edition this week, researchers at the University of Victoria and the National Institute of Allergy and Infectious Diseases report that they've inserted nine "essential genes" from Arctic bacteria into mammalian pathogenic bacteria "to construct stable, temperature-sensitive bacterial vaccines." One ligA gene, the team writes, "was shown to render Francisella tularensis, Salmonella enterica, and Mycobacterium smegmatis temperature-sensitive." Three tempe

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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.