An enhanced CRISPR repressor for targeted mammalian gene regulation
Author(s)
Yeo, Nan Cher; Chavez, Alejandro; Lance-Byrne, Alissa; Chan, Yingleong; Menn, David; Milanova, Denitsa; Kuo, Chih-Chung; Guo, Xiaoge; Sharma, Sumana; Tung, Angela; Cecchi, Ryan J.; Tuttle, Marcelle; Pradhan, Swechchha; Lim, Elaine T.; Davidsohn, Noah; Ebrahimkhani, Mo R.; Lewis, Nathan E.; Kiani, Samira; Church, George M.; Collins, James J.; ... Show more Show less
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Show full item recordAbstract
The RNA-guided endonuclease Cas9 can be converted into a programmable transcriptional repressor, but 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-dead Cas9. We demonstrate the system’s superiority in silencing coding and noncoding genes, simultaneously repressing a series of target genes, improving the results of single and dual guide RNA library screens, and enabling new architectures of synthetic genetic circuits.
Date issued
2018-07Department
Massachusetts Institute of Technology. Department of Biological EngineeringJournal
Nature Methods
Publisher
Nature Publishing Group
Citation
Yeo, Nan Cher, et al. “An Enhanced CRISPR Repressor for Targeted Mammalian Gene Regulation.” Nature Methods, vol. 15, no. 8, Aug. 2018, pp. 611–16.
Version: Author's final manuscript
ISSN
1548-7091
1548-7105