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来自Liriodendron chinense的高生产力生殖A合成酶的表征和功能重建

Weijia Cheng^1,2,3,4, Yao Zhi^1,2,5, Fangfang Chen^1,2

¹Department of Urology, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, China.

Plant biotechnology journal

|February 26, 2025

概括

研究人员通过微生物发酵设计了一种郁金香树酶,LcTPS3,通过微生物发酵产生高产量的 (+) - 胚芽蛋白A,这是抗瘤药物β-elemene的关键前体.

科学领域:

生物技术是生物技术.
自然产品化学自然产品化学
酶工程是指酶工程的工程.

背景情况:

植物为各种应用合成各种自然产品.
一些有价值的植物代谢物很难直接提取.
郁金香树 (Liriodendron chinense) 是六烯的来源.

研究的目的:

为了描述Liriodendron的色烯合成酶.
设计一种微生物系统,用于生产 (+) - 胚芽蛋白A.
了解酸合成的酶机制.

主要方法:

描述了11个Liriodendron色合成酶的特征.
在Saccharomyces cerevisiae的新陈代谢工程中,用于 (+) -germacrene A的生产.
对LcTPS3.3的定位突变和分子动力学模拟.

主要成果:

LcTPS3被确定为一个高产量的 (+) - 胚芽蛋白A.生产者.
工艺酵母的发酵产量达到14.71 g/L的 (+) - 胚芽蛋白 A. 的发酵产量.
突变A280V和Y282L被证明可以调节酶活性和产品特异性.

结论:

工程LcTPS3能够有效的微生物合成 (+) - 胚芽蛋白A,这是抗瘤药物β-elemene的前体.
可以使用酶工程策略来控制四二烯生物合成.
针对LcTPS3的定向工程可以释放各种有价值的类的生产.

关键词:

里里奥登德龙青 (Liriodendron chinense) 是一种植物.生物合成生物合成细菌 A 合成酶烯合成酶的使用方法的 β 元素.

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