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Title: Combinatorial metabolic engineering using an orthogonal tri-functional CRISPR system

Journal Article · · Nature Communications

Designing an optimal microbial cell factory often requires overexpression, knock-down, and knock-out of multiple gene targets. Unfortunately, such rewiring of cellular metabolism is often carried out sequentially and with low throughput. Here, we report a combinatorial metabolic engineering strategy based on an orthogonal tri-functional CRISPR system that combines transcriptional activation, transcriptional interference, and gene deletion (CRISPR-AID) in the yeast Saccharomyces cerevisiae. This strategy enables perturbation of the metabolic and regulatory networks in a modular, parallel, and high-throughput manner. We show that the application of CRISPR-AID not only to increase the production of β-carotene by 3-fold in a single step, but also to achieve 2.5-fold improvement in the display of an endoglucanase on the yeast surface by optimizing multiple metabolic engineering targets in a combinatorial manner.

Research Organization:
Univ. of Illinois at Urbana-Champaign, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
Grant/Contract Number:
SC0018260
OSTI ID:
1513269
Journal Information:
Nature Communications, Vol. 8, Issue 1; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 169 works
Citation information provided by
Web of Science

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Cited By (35)

SWISS: multiplexed orthogonal genome editing in plants with a Cas9 nickase and engineered CRISPR RNA scaffolds journal June 2020
COMPASS for rapid combinatorial optimization of biochemical pathways based on artificial transcription factors journal June 2019
Multi-functional genome-wide CRISPR system for high throughput genotype–phenotype mapping journal December 2019
Modular one-pot assembly of CRISPR arrays enables library generation and reveals factors influencing crRNA biogenesis journal July 2019
Analysis of CRISPR gene drive design in budding yeast journal November 2019
Multiplexed CRISPR technologies for gene editing and transcriptional regulation journal March 2020
Multiplexed CRISPR Activation of Cryptic Sugar Metabolism Enables Yarrowia Lipolytica Growth on Cellobiose journal May 2018
Development of a CRISPR/Cas9 system for high efficiency multiplexed gene deletion in Rhodosporidium toruloides journal May 2019
Modular Ligation Extension of Guide RNA Operons (LEGO) for Multiplexed dCas9 Regulation of Metabolic Pathways in Saccharomyces cerevisiae journal April 2018
Simultaneously down-regulation of multiplex branch pathways using CRISPRi and fermentation optimization for enhancing β-amyrin production in Saccharomyces cerevisiae journal June 2019
Biosystems design by directed evolution journal July 2019
Optogenetic Repressors of Gene Expression in Yeasts Using Light-Controlled Nuclear Localization journal September 2019
CRISPR/Cas9‐RNA interference system for combinatorial metabolic engineering of Saccharomyces cerevisiae journal May 2019
Advancing Metabolic Engineering of Saccharomyces cerevisiae Using the CRISPR/Cas System journal April 2018
Synthetic Biology Toolkits for Metabolic Engineering of Cyanobacteria journal April 2019
A CRISPR Interference Platform for Efficient Genetic Repression in Candida albicans journal February 2019
Efficient production of Pseudoionone with multipathway engineering in Escherichia coli journal January 2019
Construction of a series of episomal plasmids and their application in the development of an efficient CRISPR/Cas9 system in Pichia pastoris journal May 2019
CRISPR system in the yeast Saccharomyces cerevisiae and its application in the bioproduction of useful chemicals journal July 2019
Efficient production of S ‐adenosyl‐ l ‐methionine from dl ‐methionine in metabolic engineered Saccharomyces cerevisiae journal September 2019
CRISPR-assisted multi-dimensional regulation for fine-tuning gene expression in Bacillus subtilis journal February 2019
Multiplex genome editing of microorganisms using CRISPR-Cas journal April 2019
COMPASS for rapid combinatorial optimization of biochemical pathways based on artificial transcription factors text January 2019
Systems metabolic engineering for citric acid production by Aspergillus niger in the post-genomic era journal February 2019
COMPASS for rapid combinatorial optimization of biochemical pathways based on artificial transcription factors text January 2019
Combining orthogonal CRISPR and CRISPRi systems for genome engineering and metabolic pathway modulation in Escherichia coli journal February 2019
Enhanced scale and scope of genome engineering and regulation using CRISPR/Cas in Saccharomyces cerevisiae journal October 2019
CRISPR interference-mediated metabolic engineering of Corynebacterium glutamicum for homo-butyrate production: YOON and WOO journal May 2018
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