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锌指蛋白核酸酶的作用原理及其应用

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  • 华中农业大学农业动物遗传育种与繁殖教育部重点实验室, 农业部猪遗传育种重点开放实验室, 武汉 430070

收稿日期: 2010-07-01

  修回日期: 2010-11-07

  网络出版日期: 2011-02-25

基金资助

国家转基因重大专项与教育部创新团队项目(编号:IRT0831)资助

The mechanism and application of zinc finger nucleases

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  • Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education of China, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China

Received date: 2010-07-01

  Revised date: 2010-11-07

  Online published: 2011-02-25

摘要

锌指蛋白核酸酶(Zinc finger nucleases, ZFN)因其能特异性识别并切割DNA序列以及可设计性, 被用于基因定点突变和外源基因定点整合。目前, ZFN技术以其准确的靶位点设计能力和诱发高效率基因打靶的优势, 越来越受到基因改造研究者的重视, 已经成功应用于动植物细胞、胚胎的基因改造。随着鉴定靶DNA高亲和力的锌指蛋白(Zinc finger protein, ZFP)实验技术日渐成熟, 可以预见到不久的将来这项技术会在基因工程和育种中得到广泛应用。文章介绍了锌指蛋白识别DNA靶位点和ZFN介导的基因打靶(Double strand break gene targeting, DSB-GT)的原理, 同时还综述了目前ZFN技术用于基因改造的研究进展。

本文引用格式

钟强,赵书红 . 锌指蛋白核酸酶的作用原理及其应用[J]. 遗传, 2011 , 33(2) : 123 -130 . DOI: 锌指结构域; 锌指蛋白; 锌指蛋白核酸酶; 同源重组; 基因打靶

Abstract

Due to specific recognization of DNA sequences and designability, zinc finger nucleases (ZFN) has been used in knock in and knock out genes. Because of high ratio of homologous recombination of DSB-GT induces by ZFN, ZFN technology has been considered as the most powerful tool for gene modification. It has been successfully used at cell or embryo levels in plants and animals. Under the rapid development of high affinity zinc finger protein (ZFP), this technique will be applied to genetic engineering and breeding extensively in the future. This review discussed the DNA recognization mechanism and double strand break gene targeting (DSB-GT) of zinc finger nucleases (ZFN). Some application examples of ZFN were summarized.

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