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In PLoS Biology this week, investigators at St. Jude Children's Research Hospital show that the homeobox gene "Prox1 is required for granule cell maturation and intermediate progenitor maintenance during brain neurogenesis." Specifically, Prox1 — expressed in the dentate gyrus during embryonic development and adult neurogenesis — is expressed in intermediate progenitors, and "required for adult neural stem cell self-maintenance in the sub-granular zone," the authors write.

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

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

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.