4.7 Review

Mitigating health risks associated with alcoholic beverages through metabolic engineering

Journal

CURRENT OPINION IN BIOTECHNOLOGY
Volume 37, Issue -, Pages 173-181

Publisher

ELSEVIER SCI LTD
DOI: 10.1016/j.copbio.2015.12.001

Keywords

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Funding

  1. Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education [NRF-2015R1D1A1A01060488]
  2. KRIBB Research Initiative Program, South Korea

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Epidemiological studies have established a positive relationship between the occurrence of cancer and consumption of alcoholic beverages. Metabolic engineering of brewing yeast to reduce potential carcinogenic compounds in alcoholic beverage is technically feasible as well as economically promising. This review presents the mechanisms of formation of potentially carcinogenic components in alcoholic beverages, such as formaldehyde, acetaldehyde, ethyl carbamate, acrylamide, and heavy metals, and introduces effective genetic perturbations to minimize the concentrations of these harmful components. As precise and effective genome editing tools for polyploid yeast are now available, we envision that yeast metabolic engineering might open up new research directions for improving brewing yeast in order to ensure product safety as well as to increase overall quality of alcoholic beverages.

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