增长合的高吞吐量选择用于定向的酶进化
Zhengqun Li1, Yuting Deng1, Guang-Yu Yang1
1State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China.
Biotechnology advances
|August 24, 2023
概括
增长合体内高通量选择 (GCHTS) 通过将宿主细胞生存与蛋白质功能联系起来,加速酶进化. 这种强大的方法可以快速选数十亿个变体,以寻找所需的酶特性.
科学领域:
- 生物技术是生物技术.
- 分子生物学分子生物学
- 酵素工程是什么意思 酵素工程
背景情况:
- 有针对性的酶进化对于开发具有特定功能的酶至关重要.
- 一个主要的局限性是缺乏用于变异选择的高通量方法.
- 增长合体内高通量选择 (GCHTS) 提供了一个新的解决方案.
研究的目的:
- 审查GCHTS在酶进化中的策略和最近的进展.
- 突出GCHTS在蛋白质工程中的潜力.
- 讨论该领域的挑战和未来方向.
主要方法:
- GCHTS将宿主细胞的生存与工程酶的理想特性联系起来.
- 讨论了三种主要的GCHTS策略:有毒化合物消除,辅助植物补充和记者基因调节.
- 包括最近的发展,如菌体辅助连续进化 (PACE) 和正角DNA复制 (OrthoRep).
主要成果:
- 通过GCHTS,每个实验可以选超过10^9个变异.
- 在定向进化中成功应用于增强催化活性,新功能和非原生基质催化.
- 展示了高吞吐量和可扩展性,仅限于转换效率.
结论:
- GCHTS是加速酶进化和蛋白质工程的强大而多功能工具.
- 讨论的策略和技术为创造具有定制性质的酶提供了显著的优势.
- 未来的前景包括克服当前的挑战,进一步扩大GCHTS的实用性.
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