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Applications of CRISPR/Cas System to Bacterial Metabolic Engineering

by 1,2,*, 1 and 1,2,*
Department of Biological Sciences and KI for the BioCentury, Korea Advanced Institute of Science and Technology, Daejeon 305-701, Korea
Intelligent Synthetic Biology Center, Daejeon 305-701, Korea
Authors to whom correspondence should be addressed.
Int. J. Mol. Sci. 2018, 19(4), 1089;
Received: 7 March 2018 / Revised: 2 April 2018 / Accepted: 3 April 2018 / Published: 5 April 2018
(This article belongs to the Special Issue Genome Editing 2018)
The clustered regularly interspaced short palindromic repeats/CRISPR-associated (CRISPR/Cas) adaptive immune system has been extensively used for gene editing, including gene deletion, insertion, and replacement in bacterial and eukaryotic cells owing to its simple, rapid, and efficient activities in unprecedented resolution. Furthermore, the CRISPR interference (CRISPRi) system including deactivated Cas9 (dCas9) with inactivated endonuclease activity has been further investigated for regulation of the target gene transiently or constitutively, avoiding cell death by disruption of genome. This review discusses the applications of CRISPR/Cas for genome editing in various bacterial systems and their applications. In particular, CRISPR technology has been used for the production of metabolites of high industrial significance, including biochemical, biofuel, and pharmaceutical products/precursors in bacteria. Here, we focus on methods to increase the productivity and yield/titer scan by controlling metabolic flux through individual or combinatorial use of CRISPR/Cas and CRISPRi systems with introduction of synthetic pathway in industrially common bacteria including Escherichia coli. Further, we discuss additional useful applications of the CRISPR/Cas system, including its use in functional genomics. View Full-Text
Keywords: CRISPR/Cas; CRISPRi; CRISPRa; genome editing; gene regulation; metabolic engineering CRISPR/Cas; CRISPRi; CRISPRa; genome editing; gene regulation; metabolic engineering
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MDPI and ACS Style

Cho, S.; Shin, J.; Cho, B.-K. Applications of CRISPR/Cas System to Bacterial Metabolic Engineering. Int. J. Mol. Sci. 2018, 19, 1089.

AMA Style

Cho S, Shin J, Cho B-K. Applications of CRISPR/Cas System to Bacterial Metabolic Engineering. International Journal of Molecular Sciences. 2018; 19(4):1089.

Chicago/Turabian Style

Cho, Suhyung, Jongoh Shin, and Byung-Kwan Cho. 2018. "Applications of CRISPR/Cas System to Bacterial Metabolic Engineering" International Journal of Molecular Sciences 19, no. 4: 1089.

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