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Gene-Editing Hack Yields Pinpoint Precision


Cas9 system

The Cas9 system, shown here, is hugely popular in labs but may not be effective at fixing point mutations.

Credit: Bang Wong with source material from Feng Zhang, courtesy of the Broad Institute

A painstaking re-engineering of the CRISPR gene-editing system has given researchers the ability to alter individual DNA letters efficiently in a given gene.

From Nature
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