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An international team led by investigators at the Salk Institute for Biological Studies in La Jolla, Calif., shows that Imp — IGF-II messenger RNA binding protein — counteracts endogenous small interfering RNAs to stabilize self-renewal factor upd RNA in Drosophila testis. "However, similar to upd, Imp expression decreases in the hub cells of older males, which is due to the targeting of Imp by the heterochronic microRNA let-7," the team writes.

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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.