Intra-embryo Gene Cassette Knockin by CRISPR/Cas9-Mediated Genome Editing with Adeno-Associated Viral Vector.

Intra-embryo Gene Cassette Knockin by CRISPR/Cas9-Mediated Genome Editing with Adeno-Associated Viral Vector.
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DOI:
10.1016/j.isci.2018.10.030
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发表时间:
2018-11-30
期刊:
影响因子:
5.8
通讯作者:
Nakauchi H
Nakauchi H
中科院分区:
综合性期刊2区
文献类型:
--
作者:
Mizuno N;Mizutani E;Sato H;Kasai M;Ogawa A;Suchy F;Yamaguchi T;Nakauchi H

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Intra-embryo genome editing by CRISPR/Cas9 enables easy generation of gene-modified animals by non-homologous end joining (NHEJ)-mediated frameshift mutations or homology-directed repair (HDR)-mediated point mutations. However, large modifications, such as gene replacement or gene fusions, are still difficult to introduce in embryos without costly micromanipulators. Moreover, micromanipulation techniques for intra-embryo genome editing have been established in only a small set of animals. To overcome these issues, we developed a method of large-fragment DNA knockin without micromanipulation. In this study, we successfully delivered the knockin donor DNA into zygotes by adeno-associated virus (AAV) without removing the zona pellucida, and we succeeded in both large-DNA fragment knockin and whole exon exchange with electroporation of CRISPR/Cas9 ribonucleoprotein. By this method, we can exchange large DNA fragments conveniently in various animal species without micromanipulation. AAV infects zygotes of various mammals through intact zona pellucida AAV vector delivers large knockin cassettes into zygotes without micromanipulation Cas9 RNP electroporation and donor AAV enable efficient intra-embryo knockin Techniques in Genetics; Genetic Engineering
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