通过细胞形态工程来增强Saccharomyces cerevisiae中的类蛋白生产
Ke Bi1,2, Siqi Zuo1,2, Jiazhang Lian3,4
1Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China.
Biotechnology letters
|May 17, 2025
概括
酵母细胞通过删除EST1和SSN8基因而扩大酵母细胞,显著增加了像利科和7-脱胆固醇等有价值的类化合物的产生,为细胞工厂优化提供了一种新的策略.
科学领域:
- 生物技术是生物技术.
- 合成生物学 合成生物学
- 代谢工程是代谢工程.
背景情况:
- 酵母是生产有价值化合物的关键细胞工厂.
- 类是重要的化合物,但它们的疏水性限制了生产产量.
- 增强细胞内储存对于改善类位至关重要.
研究的目的:
- 研究细胞扩大作为一种提高酵母酵母中类产生的策略.
- 评估EST1和SSN8基因淘汰对酵母细胞大小和类基因标位的影响.
主要方法:
- 酵母菌株是通过敲除EST1和SSN8基因来设计的.
- 细胞大小被测量以确认扩大.
- 量化了利科和7-脱胆固醇的生产水平.
主要成果:
- 删除EST1和SSN8导致酵母细胞大小增加.
- 柳科的产量提高了4.27倍 (EST1淘汰赛) 和3.45倍 (SSN8淘汰赛).
- 7-脱水胆固醇的产量增加了1.99倍 (EST1淘汰赛) 和1.2倍 (SSN8淘汰赛).
结论:
- 细胞扩大是一种可行的策略,可以增强细胞内存储,并改善酵母中的类蛋白生产.
- EST1和SSN8基因淘汰在增加酵母细胞大小和提高特定类产量方面是有效的.
- 这种方法为优化酵母细胞工厂用于类生物合成提供了一个有希望的途径.
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