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The Zebrafish Tol2 System: A Modular and Flexible Gateway-Based Transgenesis Approach
Published on: November 30, 2022
Bacterial artificial chromosome transgenesis for zebrafish
Zhongan Yang1, Hong Jiang, Shuo Lin
1Department of Molecular, Cell and Developmental Biology, University of California, Los Angeles, CA, 90095-1606, USA.
Methods in Molecular Biology (Clifton, N.J.)
|April 21, 2009
Summary
Bacterial artificial chromosome (BAC) transgenesis in zebrafish offers precise gene expression control. This streamlined method uses BACs and fluorescent proteins for efficient generation of transgenic zebrafish lines, enabling detailed visual analysis.
Area of Science:
- Genetics and Genomics
- Developmental Biology
- Molecular Biology
Background:
- Bacterial artificial chromosomes (BACs) enable high-fidelity transgene expression.
- Zebrafish are optically transparent models ideal for visualizing gene expression.
- Fluorescent protein reporters facilitate real-time monitoring of biological processes.
Purpose of the Study:
- To develop a streamlined procedure for generating transgenic zebrafish using BACs.
- To enable precise control and visual analysis of gene expression in vivo.
- To facilitate the rapid modification of BAC clones for transgenic applications.
Main Methods:
- Selection of multiple BAC clones using public sequence databases.
- Rapid modification of BACs with green fluorescent protein (GFP) or red fluorescent protein (RFP).
- Generation of transgenic zebrafish lines via microinjection of modified BAC DNA.
Main Results:
- A streamlined protocol for BAC DNA preparation and modification was established.
- Transgenic zebrafish lines expressing fluorescent proteins under BAC control were successfully generated.
- The methodology allows for efficient and reliable production of zebrafish models for gene expression studies.
Conclusions:
- BAC-mediated transgenesis provides superior control over transgene expression in zebrafish.
- This optimized method simplifies the generation of sophisticated transgenic zebrafish.
- The developed technique enhances the utility of zebrafish as a model for visual gene expression analysis.
