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Related Concept Videos

DNA-only Transposons02:57

DNA-only Transposons

DNA-only transposons are called autonomous transposons since they code for the enzyme transposase that is required for the transposition mechanism. Insertion of transposons can alter gene functions in multiple ways. They can mutate the gene, alter gene expression by introducing a novel promoter or insulator sequence, introduce new splice sites, and change the mRNA transcripts produced, or remodel chromatin structure.
The donor site from where the transposon is excised is either degraded or...

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The Zebrafish Tol2 System: A Modular and Flexible Gateway-Based Transgenesis Approach
10:00

The Zebrafish Tol2 System: A Modular and Flexible Gateway-Based Transgenesis Approach

Published on: November 30, 2022

Transgenic zebrafish using transposable elements.

Karl J Clark1, Mark D Urban, Kimberly J Skuster

  • 1Mayo Clinic, Department of Biochemistry and Molecular Biology, Mayo Addiction Research Center, Rochester, Minnesota, USA.

Methods in Cell Biology
|September 20, 2011
PubMed
Summary
This summary is machine-generated.

DNA transposons, like the Tol2 system, are efficient tools for creating transgenic zebrafish. This study details methods for generating these valuable research models, enabling widespread scientific use.

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Area of Science:

  • Genetics
  • Molecular Biology
  • Developmental Biology

Background:

  • DNA transposons serve as effective tools for chromosomal engineering.
  • Transgenic zebrafish are crucial models for biological research.
  • Various transposon systems exist, each with unique characteristics.

Purpose of the Study:

  • To describe autonomous and non-autonomous transposable elements.
  • To compare popular transposon systems, highlighting the Tol2 system.
  • To present methods for generating transgenic zebrafish using the Tol2 system.

Main Methods:

  • Comparison of different transposon systems.
  • Detailed description of Tol2 transposon and transposase vectors.
  • Methodology for high-success-rate generation of transgenic zebrafish.
  • Inclusion of quality control steps during transgenesis.

Main Results:

  • The Tol2 system is identified as a robust gene transfer tool.
  • Development of a range of shared reagents within the zebrafish community.
  • Established methods achieve a high success rate for Tol2-mediated transgenesis.
  • Key quality control measures identified for the transgenesis process.

Conclusions:

  • The Tol2 system facilitates the development of transgenic zebrafish.
  • Standardized methods and reagents promote accessibility for the research community.
  • This work enables the routine generation of transgenic zebrafish for scientific inquiry.