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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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Forbes reports that a structural biology lab at Oxford University studying the coronavirus was hacked.

Politico reports that the NYPD DNA database has grown since it announced it would be removing profiles from it.

Science reports that a Dutch research funding agency is combating a ransomware attack.

In Science this week: set of 64 haplotype assemblies from 32 individuals, and more.