Chapter title |
Generation of Targeted Mutations in Zebrafish Using the CRISPR/Cas System.
|
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Chapter number | 16 |
Book title |
VEGF Signaling
|
Published in |
Methods in molecular biology, January 2015
|
DOI | 10.1007/978-1-4939-2917-7_16 |
Pubmed ID | |
Book ISBNs |
978-1-4939-2916-0, 978-1-4939-2917-7
|
Authors |
Yin, Linlin, Jao, Li-En, Chen, Wenbiao, Linlin Yin, Li-En Jao, Wenbiao Chen |
Abstract |
Several strategies have been developed to generate targeted gene disruptions in zebrafish.Here we developed a simple targeted gene inactivation strategy in zebrafish using a clustered regularly interspaced short palindromic repeat (CRISPR)/CRISPR-associated protein (Cas) system. By injecting two simple in vitro-synthesized components [Cas9 mRNA and single guide (sgRNA)] into one-cell-stage embryos, mutations of the target gene could be efficiently generated. We used a codon-optimized version of Cas9 to improve its translation efficiency in zebrafish. In addition, we designed a cloning-free strategy to facilitate the synthesis of sgRNA. The system allows biallelic inactivation of multiple genes simultaneously by co-injecting a mix of sgRNAs with a single Cas9 construct. This flexible strategy of gene inactivation provides an efficient way to interrogate gene functions and genetic interactions in zebrafish. |
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