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Genome Editing with CompoZr Custom Zinc Finger Nucleases (ZFNs)
Published on: June 14, 2012
Targeted mutagenesis in zebrafish using customized zinc-finger nucleases
Jonathan E Foley1, Morgan L Maeder, Joseph Pearlberg
1Molecular Pathology Unit and Center for Cancer Research, Massachusetts General Hospital, Charlestown, Massachusetts, USA.
Nature Protocols
|December 17, 2009
Summary
This study introduces a new protocol for creating targeted zebrafish gene mutations using zinc-finger nucleases (ZFNs). This efficient method allows for the rapid identification of zebrafish founders with specific mutations within four months.
Area of Science:
- Genetics
- Molecular Biology
- Developmental Biology
Background:
- Traditional methods for generating zebrafish mutants, such as random mutagenesis and retroviral insertions, lack specificity and require extensive gene mapping.
- These conventional techniques are inefficient for targeted gene modification in zebrafish models.
Purpose of the Study:
- To present a detailed protocol for the directed generation of zebrafish gene mutations using zinc-finger nucleases (ZFNs).
- To enable efficient and targeted gene editing in zebrafish for research purposes.
Main Methods:
- Construction of ZFN expression vectors tailored for specific gene targets.
- Generation and microinjection of ZFN-encoding RNAs into zebrafish embryos.
- Identification of ZFN-induced mutations at targeted genomic loci.
Main Results:
- Demonstrated high efficiency in introducing targeted frame-shift mutations using ZFNs.
- Established a protocol compatible with existing Zinc-Finger Consortium reagents.
- Enabled the identification of zebrafish founders with targeted mutations within a four-month timeframe.
Conclusions:
- ZFN technology provides a powerful and efficient tool for directed zebrafish mutagenesis.
- This protocol streamlines the process of creating targeted zebrafish mutants, accelerating genetic research.
