Rosa26-targeted sheep gene knock-in via CRISPR-Cas9 system

文献类型： 外文期刊

第一作者： Wu, Mingming

作者： Wu, Mingming;Lian, Zhengxing;Wang, Chuduan;Wei, Caihong;Liu, Ruizao;Zhu, Caiye;Wang, Huihua;Cao, Jiaxue;Zhao, Fuping;Zhang, Li;Du, Lixin;Shen, Yuelei;Mu, Zhu;Wang, Yayu;Wang, Xiaogang

作者机构：

期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.379； 五年影响因子：5.133 ）

ISSN： 2045-2322

年卷期： 2016 年 6 卷

页码：

收录情况： SCI

摘要： Recent advances in our ability to design DNA binding factors with specificity for desired sequences have resulted in a revolution in genetic engineering, enabling directed changes to the genome to be made relatively easily. Technologies that facilitate specific and precise genome editing, such as knock-in, are critical for determining the functions of genes and for understanding fundamental biological processes. The CRISPR/Cas9 system has recently emerged as a powerful tool for functional genomic studies in mammals. Rosa26 gene can encode a non-essential nuclear RNA in almost all organizations, and become a hot point of exogenous gene insertion. Here, we describe efficient, precise CRISPR/ Cas9-mediated Integration using a donor vector with tGFP sequence targeted in the sheep genomic Rosa26 locus. We succeeded in integrating with high efficiency an exogenous tGFP (turboGFP) gene into targeted genes in frame. Due to its simplicity, design flexibility, and high efficiency, we propose that CRISPR/Cas9-mediated knock-in will become a standard method for the generation transgenic sheep.

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