Highly efficient prime editing by introducing same-sense mutations in pegRNA or stabilizing its structure.
Highly efficient prime editing by introducing same-sense mutations in pegRNA or stabilizing its structure.
复制标题
通过在 pegRNA 中引入同义突变或稳定其结构进行高效的引物编辑
DOI:
10.1038/s41467-022-29339-9
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发表时间:
2022-03-29
影响因子:
16.6
通讯作者:
Chen J
中科院分区:
文献类型:
--
作者:
Li X;Zhou L;Gao BQ;Li G;Wang X;Wang Y;Wei J;Han W;Wang Z;Li J;Gao R;Zhu J;Xu W;Wu J;Yang B;Sun X;Yang L;Chen J
Prime editor (PE), which is developed by combining Cas9 nickase and an engineered reverse transcriptase, can mediate all twelve types of base substitutions and small insertions or deletions in living cells but its efficiency remains low. Here, we develop spegRNA by introducing same-sense mutations at proper positions in the reverse-transcription template of pegRNA to increase PE’s base-editing efficiency up-to 4,976-fold (on-average 353-fold). We also develop apegRNA by altering the pegRNA secondary structure to increase PE’s indel-editing efficiency up-to 10.6-fold (on-average 2.77-fold). The spegRNA and apegRNA can be combined to further enhance editing efficiency. When spegRNA and apegRNA are used in PE3 and PE5 systems, the efficiencies of sPE3, aPE3, sPE5 and aPE5 systems are all enhanced significantly. The strategies developed in this study realize highly efficient prime editing at certain previously uneditable sites. Prime editors can mediate all twelve types of base substitutions and small insertions or deletions in living cells but its efficiency remains low. Here the authors introduce same-sense mutations into pegRNAs to increase base-editing efficiency and the pegRNA secondary structure was altered to increase indel-editing efficiency.
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影响因子:
16.6
作者:
Liu P;Liang SQ;Zheng C;Mintzer E;Zhao YG;Ponnienselvan K;Mir A;Sontheimer EJ;Gao G;Flotte TR;Wolfe SA;Xue W
通讯作者:
Xue W
影响因子:
64.8
作者:
Anzalone, Andrew V.;Randolph, Peyton B.;Liu, David R.
通讯作者:
Liu, David R.
影响因子:
21.3
作者:
Wang, Lijie;Xue, Wei;Chen, Jia
通讯作者:
Chen, Jia
影响因子:
18
作者:
Xu, Wen;Yang, Yongxing;Yang, Jinxiao
通讯作者:
Yang, Jinxiao
影响因子:
46.9
作者:
Lin, Qiupeng;Zong, Yuan;Gao, Caixia
通讯作者:
Gao, Caixia