Related Experiment Video
Updated: May 2, 2026
05:28
Light-Induced GFP Expression in Zebrafish Embryos using the Optogenetic TAEL/C120 System
Published on: August 19, 2021
2.5K
Spatial and temporal control of transgene expression in zebrafish
Alexander A Akerberg1, Scott Stewart2, Kryn Stankunas1
1Institute of Molecular Biology, University of Oregon, Eugene, Oregon, United States of America; Department of Biology, University of Oregon, Eugene, Oregon, United States of America.
Plos One
|March 20, 2014
Summary
Researchers developed a new inducible gene expression system for zebrafish, enabling precise control over transgene activity. This breakthrough allows for detailed studies of gene function during development and disease in zebrafish models.
Area of Science:
- Developmental Biology
- Genetics
- Zebrafish Models
Background:
- Transgenic zebrafish are crucial for studying gene function, development, and disease.
- Current methods often lack control over transgene expression timing and levels.
- Constitutive transgene expression limits the ability to dissect dynamic biological processes.
Purpose of the Study:
- To develop a novel inducible gene expression system in zebrafish.
- To enable precise temporal and spatial control of transgene induction.
- To overcome limitations of constitutive transgene expression in zebrafish research.
Main Methods:
- Created new tissue-specific zebrafish transgenic lines expressing Gal4-ERT fusion protein.
- Utilized the estrogen-binding domain of human estrogen receptor for tamoxifen-inducible control.
- Tested induction of UAS-controlled transgenes in both embryonic and adult zebrafish.
Main Results:
- Achieved rapid and tissue-specific transgene induction upon tamoxifen administration.
- Demonstrated successful spatiotemporal control of gene expression in zebrafish.
- Successfully used the system to define developmental windows of gene function via Notch1 expression.
Conclusions:
- The developed inducible system offers precise control over gene expression in zebrafish.
- This modular technology significantly expands experimental possibilities in zebrafish.
- Enables previously intractable studies of gene function in development and disease models.
