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构建一个人造的短路径,用于非细胞生物合成的乙化素基架

Yuhao Zhang¹, Wan-Qiu Liu¹, Jian Li¹

¹School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China.

Synthetic and systems biotechnology

|October 2, 2023

概括

研究人员开发了一种新的两步酶途径,可以从替代基质中合成聚乙氨基氨酸基基架 (PIAS). 这种可持续的方法简化了PIAS生产,为天然产品药物开发铺平了道路.

科学领域:

生物技术是生物技术.
自然产品生物合成自然产品生物合成
合成生物学合成生物学

背景情况:

植物性天然产品是药物的重要来源,但它们复杂的生物合成阻碍了生产.
乙化素化物 (PIAs) 是重要的天然产品,通过一种常见的前体,乙化素支架 (PIAS) 合成.
原生PIAS生物合成涉及八种酶和两个特定的氨基酸基质的长途生物合成.

研究的目的:

为PIAS生产设计和实施一个缩短的人工生物合成路径.
在PIAS合成中使用替代的,更容易获得的基板.
为大规模生产PIAS及其衍生品奠定基础.

主要方法:

开发了一种两步的酶生物转化过程,使用工程性酒精脱酶 (ADH7) 和 (S) - 诺科克劳林合成酶 (NCS).
使用的非原生基质:3-(4-基) 醇 (4-HPP) 和多巴胺.
优化了反应条件,并将酶系统扩大了200倍.

主要成果:

通过设计的两步路径成功合成PIAS.
在优化和扩展后,获得了5.4mM PIAS的高产量.
证明了使用ADH7与非原生酒精基质的可行性.

结论:

开发的人工途径为PIAS生产提供了一种简化和可持续的方法.
这种方法减少了对复杂本土植物生物合成机械的依赖.
该研究为高效大规模制造有价值的PIAS衍生化合物奠定了基础.

关键词:

人工通道的人工通道没有细胞的生物合成.自然产品是一种自然产品.乙化素架乙化素架

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