Title : Overexpression of ZWF1 and POS5 improves carotenoid biosynthesis in recombinant Saccharomyces cerevisiae.

Pub. Date : 2015 Oct

PMID : 26179622






5 Functional Relationships(s)
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1 Overexpression of ZWF1 and POS5 improves carotenoid biosynthesis in recombinant Saccharomyces cerevisiae. Carotenoids NADH kinase Saccharomyces cerevisiae S288C
2 NADPH is a key cofactor for carotenoid biosynthesis, while glucose-6-phosphate dehydrogenase (Zwf1) and an NADH kinase (Pos5) are the two main NADPH-supplying sources in S. cerevisiae. Carotenoids NADH kinase Saccharomyces cerevisiae S288C
3 Here, the effect of ZWF1 and POS5 overexpression on carotenoid yield in recombinant S. cerevisiae was explored. Carotenoids NADH kinase Saccharomyces cerevisiae S288C
4 Therefore, improvement of NADPH supply contributed to carotenoids biosynthesis in S. cerevisiae and overexpression of POS5 was more effective than overexpression of ZWF1. Carotenoids NADH kinase Saccharomyces cerevisiae S288C
5 When ZWF1 and POS5 were overexpressed in a carotenoid-producing S. cerevisiae strain individually, the total yield of lycopene and beta-carotene increased by 59 9% and 81 4%, respectively, and the final product beta-carotene yield increased by 18 8% and 65 6% respectively. Carotenoids NADH kinase Saccharomyces cerevisiae S288C