Differential Stability of Flamingo Protein Complexes Underlies the Establishment of Planar Polarity
2008
How Flamingo Protein Helps Cells Know Which Way to Grow
publication
Evidence: high
Author Information
Author(s): Strutt Helen, Strutt David
Primary Institution: MRC Centre for Developmental and Biomedical Genetics and, Department of Biomedical Science, University of Sheffield
Hypothesis
The study investigates how the Flamingo protein contributes to the asymmetric localization of polarity proteins in Drosophila pupal wing cells.
Conclusion
Flamingo plays a crucial role in forming stable asymmetric junctional complexes that drive cellular asymmetry.
Supporting Evidence
- Flamingo interacts preferentially with distal-complex components.
- Stable accumulation of Flamingo at junctions is influenced by both proximal and distal proteins.
- Flamingo is trafficked from junctions through both Dishevelled-dependent and independent mechanisms.
Takeaway
Flamingo helps cells figure out which way to grow by organizing proteins that tell them how to be asymmetrical.
Methodology
The study used genetic and imaging techniques to analyze the localization and interactions of polarity proteins in Drosophila pupal wings.
Digital Object Identifier (DOI)
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