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In-vitro Mutagenesis

In-vitro Mutagenesis

To learn more about the function of a gene, researchers can observe what happens when the gene is inactivated or “knocked out,” by creating genetically engineered knockout animals. Knockout mice have been particularly useful as models for human diseases such as cancer, Parkinson’s disease, and diabetes.

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Updated: Sep 15, 2025

Mutagenesis and Functional Selection Protocols for Directed Evolution of Proteins in E. coli

Mutagenesis and Functional Selection Protocols for Directed Evolution of Proteins in E. coli

Published on: March 16, 2011

快速无细胞组合突变生成工作流程使用适合高代,主动学习引导蛋白质工程的小寡头.

Ryan Godin, Sepehr Hejazi, Bret Lange

bioRxiv : the preprint server for biology

|July 16, 2025

概括

此摘要是机器生成的。

这项研究引入了一种新的蛋白质工程方法,使用小的DNA片段和无细胞表达. 这加快了选速度,并降低了代蛋白质设计的成本.

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Rapid, Enzymatic Methods for Amplification of Minimal, Linear Templates for Protein Prototyping using Cell-Free Systems

Rapid, Enzymatic Methods for Amplification of Minimal, Linear Templates for Protein Prototyping using Cell-Free Systems

Published on: June 14, 2021

Directed Evolution Method in Saccharomyces cerevisiae: Mutant Library Creation and Screening

Directed Evolution Method in Saccharomyces cerevisiae: Mutant Library Creation and Screening

Published on: April 1, 2016

相关实验视频

Last Updated: Sep 15, 2025

Mutagenesis and Functional Selection Protocols for Directed Evolution of Proteins in E. coli

Mutagenesis and Functional Selection Protocols for Directed Evolution of Proteins in E. coli

Published on: March 16, 2011

Rapid, Enzymatic Methods for Amplification of Minimal, Linear Templates for Protein Prototyping using Cell-Free Systems

Rapid, Enzymatic Methods for Amplification of Minimal, Linear Templates for Protein Prototyping using Cell-Free Systems

Published on: June 14, 2021

Directed Evolution Method in Saccharomyces cerevisiae: Mutant Library Creation and Screening

Directed Evolution Method in Saccharomyces cerevisiae: Mutant Library Creation and Screening

Published on: April 1, 2016

科学领域:

生物化学生物化学
分子生物学分子生物学
蛋白质工程是指蛋白质工程.

背景情况:

积极学习通过在设计-构建-测试-学习循环中进行代选来加速蛋白质工程.
目前的方法面临的局限性是由于耗时且昂贵的基于细胞的克隆和表达步骤,限制了代的数量.

研究的目的:

为高代蛋白质工程开发一种新的,快速且具有成本效益的组合性突变生成工作流.
在代蛋白质设计中克服传统基于细胞的方法的局限性.

主要方法:

使用小 (20-40 bp) 变异原体的化-原片段进行组合性变异.
采用无细胞表达系统,快速选蛋白质变体.
开发了一种工作流程,可以消除每一轮克隆,PCR或基因合成的需要.

主要成果:

在不到9小时内实现了蛋白质变异的快速选.
与现有方法相比,突变原体碎片的尺寸减少>80%.
成功选了两个不同的蛋白质的3-10个碎片组合,展示了一般性.

结论:

提出的工作流是一个一般的,可扩展的,高代蛋白质工程的成本效益的平台.
这种方法显著减少了与代蛋白质设计相关的时间和成本.
能够更有效地导航复杂的蛋白质健身景观.