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Gene-cutting system may play second role as a genetic dimmer switch

Reviewed by Emily Henderson, B.Sc. Jan 19 2021 In a series of experiments with laboratory-cultured bacteria, Johns Hopkins scientists have found evidence that there is a second role for the widely used gene-cutting system CRISPR-Cas9 — as a genetic dimmer switch for CRISPR-Cas9 genes. Its role of dialing down or dimming CRISPR-Cas9 activity may help...