毕赤酵母
酶
生物合成
人参皂甙
生物化学
酵母
角鲨烯单加氧酶
人参
化学
蛋白质工程
角鲨烯
蛋白质生物合成
毕赤酵母
重组DNA
基因
替代医学
病理
医学
作者
Chengcheng Zhao,Xin Gao,Xin-Bin Liu,Yong Wang,Xiaoling Li,Feng‐Qing Wang,Yuhong Ren
标识
DOI:10.1021/acs.jafc.6b00650
摘要
Ginsenosides from the edible and medicinal plant ginseng have demonstrated various pharmacological activities. However, producing ginsenoside efficiently remains a challenge. Engineering metabolic pathways through protein assembly in yeast is a promising way for ginsenoside production. In the biosynthetic pathway of ginsenosides, dammarenediol-II synthase and squalene epoxidase are two key enzymes that determine the production rate of the dammarane-type ginsenoside precursor dammarenediol-II. In this work, a strategy to enhance the biosynthesis of dammarenediol-II in Pichia pastoris was developed by the self-assembly of the two key enzymes via protein–protein interaction. After being modified by interacting proteins, the two enzymes were successfully co-localized, resulting in a 2.1-fold enhancement in dammarenediol-II yields.
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