Related Experiment Video
Updated: Jun 26, 2026
05:54
Microbead Implantation in the Zebrafish Embryo
Published on: July 30, 2015
Wnt signaling mediates diverse developmental processes in zebrafish
Heather Verkade1, Joan K Heath
1School of Biological Sciences, Monash University, Clayton, Victoria, Australia.
Methods in Molecular Biology (Clifton, N.J.)
|December 26, 2008
Summary
Zebrafish genetics uncovered new functions for Wnt signaling pathways in vertebrate development. These pathways are crucial for cell polarity and cell movement during embryonic development.
Area of Science:
- Developmental Biology
- Genetics
- Molecular Biology
Background:
- Zebrafish are a powerful model organism for genetic studies in vertebrate development.
- Canonical and non-canonical Wnt signaling pathways play critical roles in embryonic development.
- Understanding Wnt signaling is key to deciphering complex developmental processes.
Purpose of the Study:
- To investigate novel roles of Wnt signaling in zebrafish development using genetic approaches.
- To elucidate the function of canonical Wnt signaling components.
- To explore the involvement of non-canonical Wnt signaling in cell polarity and migration.
Main Methods:
- Utilizing forward and reverse genetic screens in zebrafish.
- Analyzing gene functions in embryonic developmental processes.
- Investigating pathways involved in cell polarity and directed cell migration.
Main Results:
- Novel roles for canonical Wnt signaling components were identified in zebrafish development.
- Forward genetics successfully assigned functions to known and novel genes.
- Non-canonical Wnt signaling was implicated in processes requiring cell polarity and movement, such as convergence and extension.
Conclusions:
- Zebrafish genetics is instrumental in discovering gene functions during vertebrate development.
- Canonical and non-canonical Wnt signaling pathways are essential for multiple developmental events.
- Further research into Wnt signaling in zebrafish will yield deeper insights into developmental mechanisms.
Related Concept Videos
01:41Non-Canonical Wnt Signaling Pathways
Wnt is a zygotic effect gene that is expressed during very early embryonic development. It regulates various processes in animals starting from early development through the adult stage, such as organogenesis in the embryo and maintenance of neuronal and blood stem cells. Wnt proteins can induce a wide variety of intracellular pathways depending upon the specific abilities of different Wnt ligands to form a complex with shared and cognate receptors in the presence of different co-receptors. The...
01:41Non-Canonical Wnt Signaling Pathways
Wnt is a zygotic effect gene that is expressed during very early embryonic development. It regulates various processes in animals starting from early development through the adult stage, such as organogenesis in the embryo and maintenance of neuronal and blood stem cells. Wnt proteins can induce a wide variety of intracellular pathways depending upon the specific abilities of different Wnt ligands to form a complex with shared and cognate receptors in the presence of different co-receptors. The...
02:54Canonical Wnt Signaling Pathway
The gene encoding the main signaling molecules of the Wnt signaling pathways (the Wnt proteins) was discovered almost four decades ago by Nüsslein-Volhard and Wieschaus. They identified and originally named the gene "wingless" (wg) after a phenotype discovered during their landmark genetic screen in Drosophila for body pattern defects. At around the same time, another researcher named Harold Varmus found that a murine tumor virus activates the mammalian wg homolog, Int-1, which results in tumor...
02:54Canonical Wnt Signaling Pathway
The gene encoding the main signaling molecules of the Wnt signaling pathways (the Wnt proteins) was discovered almost four decades ago by Nüsslein-Volhard and Wieschaus. They identified and originally named the gene "wingless" (wg) after a phenotype discovered during their landmark genetic screen in Drosophila for body pattern defects. At around the same time, another researcher named Harold Varmus found that a murine tumor virus activates the mammalian wg homolog, Int-1, which results in tumor...