六种罗斯马林酸衍生物的微生物合成
Seung Hoon An1, Hyun Ji Kang1, Bong-Gyu Kim2
1Department of Integrative Bioscience and Biotechnology, Bio/Molecular Informatics Center, Konkuk University, Seoul, 05029, Korea.
Chembiochem : a European journal of chemical biology
|August 14, 2025
概括
研究人员设计了石基胺途径,以产生六种罗斯马林酸 (RA) 衍生物,优化使用单细胞,阶段性和共培方法的生产,以增强植物化学合成.
科学领域:
- 代谢工程是代谢工程.
- 合成生物学 合成生物学
- 植物化学 植物化学
背景情况:
- 罗斯马林酸 (RA) 是一种具有多种生物活性的植物性植物化学物质.
- 它在植物中的生物合成途径是众所周知的.
- 工程微生物系统为可扩展的RA及其衍生物生产提供了一条途径.
研究的目的:
- 为增强前体可用性设计石基酸通路.
- 为了重建生产六种RA衍生物的生物合成途径.
- 为了优化生产产量,比较单细胞,逐步和共同培养方法.
主要方法:
- 在微生物宿主中,shikimate路径工程.
- 对RA衍生物的生物合成途径的重建.
- 评估单细胞,分阶段和共同培养的发酵策略.
主要成果:
- 单细胞方法:145.1毫克/升的p-coumaroyl phenyllactic acid (PPLA) 和361.6毫克/升的p-coumaroyl 4-hydroxyphenyllactic acid (P4PLA) 两种方法.
- 一步一步的方法:28.0 mg/L咖啡 phenyllactic 酸 (CPLA),23.4 mg/L p-coumaroyl 萨尔维尼酸 (PSA) 和10.9 mg/L 罗斯马林酸 (RA).
- 培养方法:40.2 mg/L 异酸 (IA).
结论:
- 不同的种植策略产生不同数量的特定RA衍生物.
- 代谢工程和合成生物学方法可以量身定制,以产生向植物化学物质.
- 优化发酵方法对于最大限度地提高所需化合物的产量至关重要.
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