CRISPR/Cas9-mediated gene knockout in the ascidian Ciona intestinalis.
CRISPR/Cas9-mediated gene knockout in the ascidian Ciona intestinalis.
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DOI:
10.1111/dgd.12149
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发表时间:
2014-09
期刊:
影响因子:
--
通讯作者:
Sasakura Y
中科院分区:
文献类型:
--
作者:
Sasaki H;Yoshida K;Hozumi A;Sasakura Y
Knockout of genes with CRISPR/Cas9 is a newly emerged approach to investigate functions of genes in various organisms. We demonstrate that CRISPR/Cas9 can mutate endogenous genes of the ascidian Ciona intestinalis, a splendid model for elucidating molecular mechanisms for constructing the chordate body plan. Short guide RNA (sgRNA) and Cas9 mRNA, when they are expressed in Ciona embryos by means of microinjection or electroporation of their expression vectors, introduced mutations in the target genes. The specificity of target choice by sgRNA is relatively high compared to the reports from some other organisms, and a single nucleotide mutation at the sgRNA dramatically reduced mutation efficiency at the on-target site. CRISPR/Cas9-mediated mutagenesis will be a powerful method to study gene functions in Ciona along with another genome editing approach using TALE nucleases.
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