Protocol for mapping insertion sites of Tol2 transgenes in zebrafish using TransTag

Area of Science:

• Genetics and Genomics
• Molecular Biology
• Zebrafish Model Organisms

Background:

• Transgenic lines are essential for studying gene regulatory networks.
• Lack of detailed transgene insertion site information complicates experimental result interpretation.
• Accurate mapping of transgene insertions is needed for robust genetic studies.

Purpose of the Study:

• To present a protocol for mapping the insertion sites of zebrafish Tol2 transgenes.
• To enable robust identification of transgene insertion locations in zebrafish.
• To facilitate clearer interpretation of experiments involving transgenes.

Main Methods:

• Utilized the tagmentation-based TransTag technique.
• Developed a detailed protocol for preparing sequencing libraries.
• Included steps for analyzing raw sequencing reads.

Main Results:

• Successfully mapped transgene insertion sites in zebrafish.
• The protocol provides robust identification of Tol2 transgene insertion locations.
• Detailed steps for library preparation and data analysis are described.

Conclusions:

• The presented protocol reliably identifies zebrafish Tol2 transgene insertion sites.
• This method enhances the study of gene regulatory networks using transgenic zebrafish.
• Accurate insertion site mapping improves the validity of transgene-based research.