An enhanced CRISPR repressor for targeted mammalian gene regulation.

An enhanced CRISPR repressor for targeted mammalian gene regulation.
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DOI:
10.1038/s41592-018-0048-5
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发表时间:
2018-08
期刊:
影响因子:
48
通讯作者:
Church GM
Church GM
中科院分区:
生物学1区
文献类型:
--
作者:
Yeo NC;Chavez A;Lance-Byrne A;Chan Y;Menn D;Milanova D;Kuo CC;Guo X;Sharma S;Tung A;Cecchi RJ;Tuttle M;Pradhan S;Lim ET;Davidsohn N;Ebrahimkhani MR;Collins JJ;Lewis NE;Kiani S;Church GM

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The RNA-guided endonuclease Cas9 can be converted into a programmable transcriptional repressor, yet inefficiencies in target gene silencing have limited its utility. Here we describe an improved Cas9 repressor based on the C-terminal fusion of a rationally designed bipartite repressor domain, KRAB-MeCP2, to nuclease-null Cas9. We demonstrate the system’s superiority in silencing coding and non-coding genes, simultaneously repressing a series of target genes, improving the results of single and dual gRNA library screens, and enabling new architectures of synthetic genetic circuits.
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