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Biologists Create More Precise Molecular Scissors For Genome Editing


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Cas9 enzyme cuts DNA

The Cas9 enzyme cuts DNA (in red) to which it is guided by an RNA sequence (in green).

Credit: Ian Slaymaker, Broad Institute

By tweaking an enzyme that cuts DNA, synthetic biologists say that they can make genome editing even more specific—an essential improvement if the technique is to be deployed in the clinic to treat genetic diseases.

From Nature
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