Genome-scale engineering is indispensable in understanding and engineering microorganisms, but the current tools are mainly limited to bacterial systems. Here we report an automated platform for multiplex genome-scale engineering in Saccharomyces cerevisiae, an important eukaryotic model and widely used microbial cell factory. Standardized genetic parts encoding overexpression and knockdown mutations of >90% yeast genes are created in a single step from a full-length cDNA library. With the aid of CRISPR-Cas, these genetic parts are iteratively integrated into the repetitive genomic sequences in a modular manner using robotic automation. This system allows functional mapping and multiplex optimization on a genome scale for diverse phenotypes including cellulase expression, isobutanol production, glycerol utilization and acetic acid tolerance, and may greatly accelerate future genome-scale engineering endeavours in yeast. Genome-scale engineering is a powerful technique for understanding biology and designing microorganisms but has been limited to bacterial species. Here the authors present an automated platform for genome-scale engineering inSaccharomyces cerevisiaeusing CRISPR-Cas and RNAi.
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PUBLICATION RECORD
- Publication year
2017
- Venue
Nature Communications
- Publication date
2017-05-04
- Fields of study
Biology, Medicine, Engineering
- Identifiers
- External record
- Source metadata
Semantic Scholar, PubMed
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