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相关概念视频

Conservative Site-specific Recombination and Phase Variation02:53

Conservative Site-specific Recombination and Phase Variation

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Because the DNA segments are cut and reorganized in a direction-specific manner, site-specific recombination has emerged as an efficient genetic engineering technique. Flippase and Cyclization recombinases or Flp and Cre, respectively, are two members of the tyrosine recombinase family derived from bacteriophages, that are used to mediate site-specific DNA insertions, deletions, and targeted expression of proteins in mammalian cell lines.
The recognition sites for Cre recombinase called LoxP...
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相关实验视频

Updated: Jul 20, 2025

A Simple and Efficient Approach to Construct Mutant Vaccinia Virus Vectors
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A Simple and Efficient Approach to Construct Mutant Vaccinia Virus Vectors

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基于lambda红介导重组的病毒的高效基因工程工具包.

Jing Yi1, Maifei Zhang1, Lin Zhu1

  • 1School of Life Sciences, Institute of Physical Science and Information Technology, Anhui University, 111 Jiulong Road, Hefei, 230601, Anhui, People's Republic of China.

Biotechnology letters
|August 1, 2023
PubMed
概括
此摘要是机器生成的。

一种新的基因工程方法精确地修改了大肠杆菌中的埃博拉病毒 (EBOV) 基因,有助于理解病毒复制和开发药物. 这种高效的技术优化了病毒基因编辑用于研究和开发.

关键词:
埃博拉病毒埃博拉病毒.埃舍里希亚大肠杆菌 (Escherichia coli) 是一个大肠杆菌.红色的αβ.VP24 VP24 在线视频病毒编辑 病毒编辑

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相关实验视频

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A Simple and Efficient Approach to Construct Mutant Vaccinia Virus Vectors
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科学领域:

  • 病毒学 病毒学
  • 分子生物学分子生物学
  • 基因工程是一种基因工程.

背景情况:

  • 像埃博拉病毒 (EBOV) 这样的病毒迅速发展,对人类健康构成重大威胁.
  • 有效的基因编辑技术对于理解病毒毒性机制和开发抗病毒药物至关重要.

研究的目的:

  • 开发一种高效的基因方法,用于精确的病毒基因工程.
  • 研究EBOV矩阵蛋白VP24中突变对病毒复制的影响.

主要方法:

  • 使用了lambda 红色重组在大肠杆菌 (大肠杆菌) 中,反选择,以及用于精确病毒基因组工程的体外化.
  • 在大肠杆菌等离子体上的EBOV vp24基因中产生了各种突变 (替代,删除,插入).
  • 优化了同质性臂长,DNA磁带数量和线性等离子体度,以提高效率和成本效益.
  • 采用EBOV trVLP和双化酶报告测试来评估VP24突变对病毒复制的功能影响.

主要成果:

  • 在EBOV vp24基因中成功生成了多种突变.
  • 优化的协议参数导致了更复杂,更具成本效益的基因编辑方法.
  • 在VP24的关键部位的突变显著影响了EBOV复制,记者基因表达水平证明了这一点.

结论:

  • 开发的精确突变发生法使大肠杆菌病毒基因的有效和直接编辑成为可能.
  • 这种技术有助于研究病毒毒性机制,并支持抗病毒药物开发.