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Biosci Biotechnol Biochem. 2019 Feb 2:1-14. doi: 10.1080/09168451.2019.1576500. [Epub ahead of print]

Metabolic regulatory mechanisms and physiological roles of functional amino acids and their applications in yeast.

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1
a Division of Biological Science, Graduate School of Science and Technology , Nara Institute of Science and Technology , Nara , Japan.

Abstract

In yeast, amino acid metabolism and its regulatory mechanisms vary under different growth environments by regulating anabolic and catabolic processes, including uptake and export, and the metabolic styles form a complicated but robust network. There is also crosstalk with various metabolic pathways, products and signal molecules. The elucidation of metabolic regulatory mechanisms and physiological roles is important fundamental research for understanding life phenomenon. In terms of industrial application, the control of amino acid composition and content is expected to contribute to an improvement in productivity, and to add to the value of fermented foods, alcoholic beverages, bioethanol, and other valuable compounds (proteins and amino acids, etc.). This review article mainly describes our research in constructing yeast strains with high functionality, focused on the metabolic regulatory mechanisms and physiological roles of "functional amino acids", such as l-proline, l-arginine, l-leucine, l-valine, l-cysteine, and l-methionine, found in yeast.

KEYWORDS:

; Yeast; amino acid; metabolic regulation; physiological role

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