How Wingless Signalling Affects Armadillo and E-Cadherin in Drosophila Development
Author Information
Author(s): Somorjai Ildiko M. L., Martinez-Arias Alfonso
Primary Institution: Department of Genetics, University of Cambridge, Cambridge, United Kingdom
Hypothesis
How does Wingless signalling regulate the levels and distribution of Armadillo and E-Cadherin during Drosophila development?
Conclusion
The study provides evidence for a complex relationship between Armadillo levels, its distribution, and Wingless signalling during Drosophila development.
Supporting Evidence
- Armadillo and E-Cadherin are regulated during development and respond to Wingless signalling.
- Overexpression of Armadillo mutants affects its distribution and the levels of E-Cadherin.
- Signalling alters the relationship between Armadillo and E-Cadherin at the adherens junction.
Takeaway
This study shows that a protein called Armadillo changes its location and amount in response to a signal called Wingless, which helps cells develop properly.
Methodology
The researchers used confocal microscopy to analyze the distribution of Armadillo and E-Cadherin in Drosophila wing imaginal discs and performed experiments to overexpress various Armadillo mutants.
Limitations
The study primarily focuses on Drosophila and may not directly translate to other organisms; the effects of overexpression may not reflect normal physiological conditions.
Digital Object Identifier (DOI)
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