New CRISPR gene editors can fix RNA and DNA one typo at a time
In experiments, ‘base editors’ reverse disease-causing mutations
PENCIL IT IN Scientists have used two new versions of CRISPR gene editors, which rewrite DNA like pencils instead of cutting like scissors, to change single-letter typos that cause some blood disorders.
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New gene-editing tools can correct typos that account for about half of disease-causing genetic spelling errors.