通过代谢和蛋白质工程优化Yarrowia lipolytica中的长叶烯生产
Yi-Tong Yao1, Xiao Zhang1, Chen-Yu Wang1
1College of Life Science and Technology, Jinan University, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangzhou, 510632, China.
Synthetic and systems biotechnology
|February 10, 2025
概括
研究人员使用Yarrowia lipolytica设计了一家微生物工厂,以提高长叶烯的生产. 这种代谢工程方法实现了34.67毫克/升的显著产量,为这种有价值的基提供了可持续的替代品.
科学领域:
- 生物技术是生物技术.
- 代谢工程是代谢工程.
- 合成生物学 合成生物学
背景情况:
- 长叶是一种有价值的三环基,用于化品和香水中.
- 传统的植物提取和化学合成方法对长烯是低效和昂贵的.
- 需要长烯的可持续和可扩展的生产方法.
研究的目的:
- 开发一个微生物细胞工厂,以提高长叶叶烯的生产.
- 为了设计Yarrowia lipolytica,以便有效地生物合成长烯.
- 为了优化新陈代谢途径和蛋白质功能,以增加长叶的产量.
主要方法:
- 从Pinus sylvestris到Yarrowia lipolytica中集成的长叶烯合成酶 (PsTPS).
- 在美酸盐 (MVA) 途径中过度表达关键基因,以增加前体的可用性.
- 应用蛋白质工程来优化PsTPS (tPsTPS) 和共同表达的分子伴侣.
- 引入异醇利用途径 (IUP) 来增加C5基质供应.
- 优化培养条件,包括降低温度和增强溶解氧.
主要成果:
- 工程化Yarrowia lipolytica菌株Z03在摇瓶中实现了34.67mg/L的长叶的生产水平.
- 代谢工程策略显著提高了长烯前体的可用性和酶效率.
- 优化的培养条件改善了长叶叶菌的排放和微生物的生长.
结论:
- 微生物细胞工厂提供了一个可行和高效的平台,用于生产基烯.
- 代谢工程和蛋白质优化是提高长烯生物合成的有效策略.
- 这项研究表明了Yarrowia lipolytica作为工业生产复杂天然产品的可持续来源的潜力,例如长叶烯.
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