Beyond Native Cas9: Manipulating Genomic Information and Function

Beyond Native Cas9: Manipulating Genomic Information and Function Clustered regularly interspaced short palindromic repeats (CRISPR)-mediated manipulation of genomic information is becoming more versatile by combining nuclease-deficient CRISPR systems with a wide variety of effectors including base-editing deaminases, transcriptional regulators, and epigenetic modifiers. The programmable binding ability of CRISPR systems is essential when the systems are employed as targeting domains to recruit the effectors to specific genomic loci. The discovery of a variety of Cas9 orthologs and engineered variants enables high-fidelity genome editing and a wider selection of genomic targets, and CRISPR-mediated deaminases enable more precise and predictable genome editing compared with CRISPR nuclease-based editing. Finally, combining transcriptional regulators with CRISPR systems can control expression of specific genes in a genome. Some applications and future challenges of CRISPR-derived tools are also discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Trends in Biotechnology Elsevier

Beyond Native Cas9: Manipulating Genomic Information and Function

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Publisher
Elsevier Current Trends
Copyright
Copyright © 2017 Elsevier Ltd
ISSN
0167-7799
D.O.I.
10.1016/j.tibtech.2017.06.004
Publisher site
See Article on Publisher Site

Abstract

Clustered regularly interspaced short palindromic repeats (CRISPR)-mediated manipulation of genomic information is becoming more versatile by combining nuclease-deficient CRISPR systems with a wide variety of effectors including base-editing deaminases, transcriptional regulators, and epigenetic modifiers. The programmable binding ability of CRISPR systems is essential when the systems are employed as targeting domains to recruit the effectors to specific genomic loci. The discovery of a variety of Cas9 orthologs and engineered variants enables high-fidelity genome editing and a wider selection of genomic targets, and CRISPR-mediated deaminases enable more precise and predictable genome editing compared with CRISPR nuclease-based editing. Finally, combining transcriptional regulators with CRISPR systems can control expression of specific genes in a genome. Some applications and future challenges of CRISPR-derived tools are also discussed.

Journal

Trends in BiotechnologyElsevier

Published: Oct 1, 2017

References

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