在细菌中增强蛋白质表达和多重代谢途径微调的跨物种诱导系统
Yang Li1,2,3, Yaokang Wu1,2, Xianhao Xu1,2
1Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, NO.1800, Lihu avenue, Wuxi 214122, China.
Nucleic acids research
|January 11, 2025
概括
研究人员开发了一种用于跨物种诱导系统的新工作流程,在大肠杆菌,B. subtilis和C. glutamicum中创建了两个功能系统,用于代谢工程和合成生物学应用.
科学领域:
- 合成生物学 合成生物学
- 代谢工程是代谢工程.
- 微生物学 微生物学
背景情况:
- 可诱导系统对于生物传感器和代谢工程和合成生物学中的化合物生产至关重要.
- 目前的诱导系统通常是菌株特定的,阻碍了跨菌株应用和比较研究.
研究的目的:
- 设计和呈现一个强大的工作流程,用于开发跨物种诱导系统.
- 创建和验证在多种细菌物种中功能性的诱导系统.
主要方法:
- 开发了一种工作流程,用于创建跨物种可诱导系统.
- 在大肠杆菌,细菌细菌和Corynebacterium glutamicum中重建和测试了两个可诱导系统 (PphlF3R1和Ptet2R2*).
- 描述了等离子体和基因组上的系统,并利用Ptet2R2*进行记者蛋白和基因群表达.
主要成果:
- 成功开发了两种跨种诱导系统,PphlF3R1和Ptet2R2*,在大肠杆菌,B. subtilis和C. glutamicum中具有功能.
- 在等离子体和基因组上展示了系统的功能,优化了表达条件.
- 采用Ptet2R2*系统来表达记者蛋白和基因集群,并开发了一个用于基因激活/抑制的单输入遗传电路.
结论:
- 开发的跨物种诱导系统为各种细菌应用提供了严格,可控制和有效的工具.
- 这种工作流便于在不同微生物宿主中在合成生物学和代谢工程中更广泛地应用可诱导系统.
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