Abstract:Prime editing can induce a desired base substitution, insertion, or deletion in a target gene using reverse transcriptase (RT) after nick formation by CRISPR nickase. In this study, we developed a technology that can be used to insert or replace external bases in the target DNA sequence by linking reverse transcriptase to the Francisella novicida Cas9, which is a CRISPR-Cas9 ortholog. Using FnCas9(H969A) nickase, the targeting limitation of existing Streptococcus pyogenes Cas9 nickase [SpCas9(H840A)]-based p… Show more
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