Heritable and precise zebrafish genome editing using a CRISPR-Cas system.
Heritable and precise zebrafish genome editing using a CRISPR-Cas system.
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DOI:
10.1371/journal.pone.0068708
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发表时间:
2013
期刊:
影响因子:
3.7
通讯作者:
Yeh JR
中科院分区:
文献类型:
--
作者:
Hwang WY;Fu Y;Reyon D;Maeder ML;Kaini P;Sander JD;Joung JK;Peterson RT;Yeh JR
We have previously reported a simple and customizable CRISPR (clustered regularly interspaced short palindromic repeats) RNA-guided Cas9 nuclease (RGN) system that can be used to efficiently and robustly introduce somatic indel mutations in endogenous zebrafish genes. Here we demonstrate that RGN-induced mutations are heritable, with efficiencies of germline transmission reaching as high as 100%. In addition, we extend the power of the RGN system by showing that these nucleases can be used with single-stranded oligodeoxynucleotides (ssODNs) to create precise intended sequence modifications, including single nucleotide substitutions. Finally, we describe and validate simple strategies that improve the targeting range of RGNs from 1 in every 128 basepairs (bps) of random DNA sequence to 1 in every 8 bps. Together, these advances expand the utility of the CRISPR-Cas system in the zebrafish beyond somatic indel formation to heritable and precise genome modifications.
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