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Undetectable off-target effects induced by FokI catalytic domain in mouse embryos

文献类型: 外文期刊

作者: Xie, Long 1 ; Feng, Hu 1 ; Li, Zhifang 1 ; Li, Di 1 ; Yang, Xiali 1 ; Yuan, Tanglong 1 ; Yan, Nana 1 ; He, Chenfei 1 ; Zheng, Jitan 1 ; Zuo, Zhenrui 1 ; Zheng, Yaxuan 1 ; Cao, Yaqi 1 ; Lu, Yangqing 2 ; Xiong, Xing Yao 1 ; Zuo, Erwei 1 ;

作者机构: 1.Chinese Acad Agr Sci, Agr Genom Inst Shenzhen, Minist Agr & Rural Affairs, Shenzhen Branch,Guangdong Lab Lingnan Modern Agr,K, Shenzhen, Peoples R China

2.Guangxi Univ, Coll Anim Sci & Technol, State Key Lab Conservat & Utilizat Subtrop Agrobio, Guangxi Key Lab Anim Breeding Dis Control & Preven, Nanning 530004, Peoples R China

3.Huazhong Agr Univ, Coll Anim Sci & Technol, Wuhan, Peoples R China

期刊名称:GENOME BIOLOGY ( 影响因子:12.3; 五年影响因子:17.4 )

ISSN: 1474-760X

年卷期: 2024 年 25 卷 1 期

页码:

收录情况: SCI

摘要: The FokI catalytic domain can be fused to various DNA binding architectures to improve the precision of genome editing tools. However, evaluation of off-target effects is essential for developing these tools. We use Genome-wide Off-target analysis by Two-cell embryo Injection (GOTI) to detect low-frequency off-target editing events in mouse embryos injected with FokI-based architectures. Specifically, we test FokI-heterodimers fused with TALENs, FokI homodimers fused with RYdCas9, or FokI catalytic domains alone resulting in no significant off-target effects. These FokI genome editing systems exhibit undetectable off-target effects in mouse embryos, supporting the further development of these systems for clinical applications.

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