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植物基因功能研究新方法

DOI: 10.7668/hbnxb.2014.S1.023, PP. 109-113

Keywords: 基因功能,TALEN,CRISPR/Cas系统

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Abstract:

TALEN(Transcriptionactivator-likeeffectornuclease)和CRISPR/Cas系统(Clusteredregularlyinterspacedshortpalindromicrepeats,CRISPR.CRISPR-associated,Cas)是近年来发现的基因功能研究的新方法,且已经成功地在动物、植物及微生物等多个领域得到成功应用。它们可以对DNA双链进行切割,从而启动细胞内的DNA修复机制,以此来实现对靶位点的基因修饰。相较于传统方法,它们具有特异性高、操作简便及打靶效率高等特点。主要从结构、功能及作用机制等方面阐述这2种新基因功能的研究方法。

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