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  • Title: Acetyl-CoA synthetase overexpression in Escherichia coli demonstrates more efficient acetate assimilation and lower acetate accumulation: a potential tool in metabolic engineering.
    Author: Lin H, Castro NM, Bennett GN, San KY.
    Journal: Appl Microbiol Biotechnol; 2006 Aug; 71(6):870-4. PubMed ID: 16496143.
    Abstract:
    The overexpression of acetyl-CoA (CoA) synthetase (ACS) in Escherichia coli showed significant reduction in acetate during glucose fermentation. It also greatly enhanced acetate assimilation when acetate was used as a carbon source. These features are ideal for applications in metabolic engineering. ACS overexpression can be strategically applied to reduce acetate byproduct, recover wasted carbon, and redirect carbon flux toward more favorable pathways. The native acs gene was cloned and overexpressed in E. coli. Studies showed significant effects on acetate production and assimilation in cultures grown in minimal and complex media with glucose or acetate as the carbon source.
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