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一种白天动物,尼罗河草鼠 (Arvicanthis niloticus) 的基因组基于CRISPR编辑

Huirong Xie¹, Katrina Linning-Duffy², Elena Y Demireva³

¹Transgenic and Genome Editing Facility, Institute for Quantitative Health Science & Engineering, Research Technology Support Facility, Michigan State University, East Lansing, MI, 48824, USA. xiehuiro@msu.edu.

|July 3, 2024

概括

研究人员在尼罗河草原大鼠中首次实现了CRISPR基因组编辑,这是一个日间模型. 这一突破使得日间哺乳动物生物学和疾病的先进研究成为可能,克服了夜间模型的局限性.

科学领域:

遗传学是一个遗传学.
哺乳动物生物学哺乳动物生物学
这就是CRISPR技术.

背景情况:

夜间动物模型不好代表白天的人类生物学.
昼夜动物模型提供了翻译优势,但缺乏遗传处理能力.
尼罗河草鼠 (Arvicanthis niloticus) 是一个关键的白天动物模型.

研究的目的:

开发尼罗河草鼠的基因组编辑方法.
建立日间动物研究的遗传工具.
通过日间模型促进翻译研究.

主要方法:

优化了尼罗河草鼠的超级排卵和胚胎培养.
利用CRISPR-Cas9进行基因编辑,针对Rai1基因.
使用的体内 (i-GONAD) 和体内 (微注射) 输送方法.

主要成果:

获得高蛋产量 (30个蛋/雌性) 和胚胎细胞的发育.
通过i-GONAD生成了具有向Rai1无突变的尼罗河草鼠.
在体外基因组编辑中被证明具有高效率 (70%的删除).

结论:

在尼罗河草原大鼠中成功建立了基于CRISPR的基因组编辑.
开发了日间动物基因组编辑的基础方法.
提高了白天动物在基础和转化研究中的实用性.

关键词:

在CRISPR-cas9中使用.一日性动物基因组编辑基因组编辑尼罗河的草鼠是尼罗河的草鼠.Rai1 KO KO KO 的第一名

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