Opposing Activities of LIT-1/NLK and DAF-6/Patched-Related Direct Sensory Compartment Morphogenesis in C. elegans
2011
How Glial Cells Control Sensory Compartment Size in C. elegans
publication
10 minutes
Evidence: high
Author Information
Author(s): Oikonomou Grigorios, Perens Elliot A., Lu Yun, Watanabe Shigeki, Jorgensen Erik M., Shaham Shai
Primary Institution: The Rockefeller University
Hypothesis
How do glial cells regulate the size of sensory compartments in C. elegans?
Conclusion
The study reveals that the genes daf-6 and lit-1 have opposing roles in controlling the size of sensory compartments in C. elegans.
Supporting Evidence
- Mutations in daf-6 lead to enlarged sensory compartments.
- lit-1 promotes sensory compartment expansion, counteracting daf-6.
- Both daf-6 and lit-1 localize to the sensory compartment.
- Loss of lit-1 restores normal compartment morphology in daf-6 mutants.
- Actin and WASP are involved in the pathway regulating compartment size.
Takeaway
Glial cells help shape the compartments around sensory neurons, and two genes work against each other to control how big these compartments get.
Methodology
The study used electron microscopy and genetic screens to analyze the roles of daf-6 and lit-1 in sensory compartment morphogenesis.
Statistical Information
P-Value
p<10−6
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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