Knockout of circRNAs by base editing back-splice sites of circularized exons.
Knockout of circRNAs by base editing back-splice sites of circularized exons.
复制标题
通过碱基编辑环状外显子的反向剪接位点敲除 circRNA
DOI:
10.1186/s13059-021-02563-0
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发表时间:
2022-01-10
期刊:
影响因子:
12.3
通讯作者:
Yang L
中科院分区:
文献类型:
--
作者:
Gao X;Ma XK;Li X;Li GW;Liu CX;Zhang J;Wang Y;Wei J;Chen J;Chen LL;Yang L
Many circular RNAs (circRNAs) are produced from back-splicing of exons of precursor mRNAs and are generally co-expressed with cognate linear RNAs. Methods for circRNA-specific knockout are lacking, largely due to sequence overlaps between forms. Here, we use base editors (BEs) for circRNA depletion. By targeting splice sites involved in both back-splicing and canonical splicing, BEs can repress circular and linear RNAs. Targeting sites predominantly for circRNA biogenesis, BEs could efficiently repress the production of circular but not linear RNAs. As hundreds of exons are predominantly back-spliced to produce circRNAs, this provides an efficient method to deplete circRNAs for functional study. The online version contains supplementary material available at 10.1186/s13059-021-02563-0.
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