Human Frizzled Receptors and Yeast Mating Pathway
Author Information
Author(s): Dirnberger Dietmar, Seuwen Klaus
Primary Institution: Novartis Institutes for Biomedical Research, Basel, Switzerland
Hypothesis
Can human Frizzled receptors signal to the mating pathway in yeast?
Conclusion
Human Frizzled receptors can functionally replace mating factor receptors in yeast and activate the mating pathway.
Supporting Evidence
- Human Frizzled receptors can be targeted to the yeast plasma membrane.
- Overexpression of Frizzled receptors leads to cell cycle arrest in G1 phase.
- Receptor chimeras showed enhanced mating pathway activation compared to native Frizzled receptors.
Takeaway
Scientists found that human proteins can work in yeast to help them mate, showing that some cell communication is similar across species.
Methodology
The study used yeast as a model organism to express human Frizzled receptors and assess their ability to activate the mating pathway.
Limitations
The study could not demonstrate Wnt-dependent activation of Frizzled receptors in yeast, possibly due to the lack of necessary co-receptors.
Digital Object Identifier (DOI)
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