Augmenting CRISPR applications in Drosophila with tRNA-flanked sgRNAs

被引:289
作者
Port, Fillip [1 ,2 ]
Bullock, Simon L. [1 ]
机构
[1] MRC Lab Mol Biol, Div Cell Biol, Cambridge, England
[2] German Canc Res Ctr, Div Signaling & Funct Genom, Heidelberg, Germany
关键词
HUMAN-CELLS; GENE DRIVES; IN-VIVO; CPF1; ACTIVATION; NUCLEASES; CAS9; SPECIFICITIES; MUTAGENESIS; SYSTEM;
D O I
10.1038/nmeth.3972
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
We present tRNA-based vectors for producing multiple clustered regularly interspaced short palindromic repeats (CRISPR) single guide RNAs (sgRNAs) from a single RNA polymerase II or III transcript in Drosophila. The system, which is based on liberation of sgRNAs by processing flanking tRNAs, permits highly efficient multiplexing of Cas9-based mutagenesis. We also demonstrate that the tRNA-sgRNA system markedly increases the efficacy of conditional gene disruption by Cas9 and can promote editing by the recently discovered RNA-guided endonuclease Cpf1.
引用
收藏
页码:852 / +
页数:5
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