The Caenorhabditis elegans T-Box Factor MLS-1 Requires Groucho Co-Repressor Interaction for Uterine Muscle Specification
2011
How MLS-1 and Groucho Interact for Uterine Muscle Development in C. elegans
publication
Evidence: high
Author Information
Author(s): Raymond R. Miller, Peter G. Okkema
Primary Institution: University of Illinois at Chicago
Hypothesis
MLS-1 functions as a Groucho-dependent transcriptional repressor to specify uterine muscle fate.
Conclusion
MLS-1 specifies uterine muscle fate by repressing target gene expression, and this function depends on interaction with UNC-37.
Supporting Evidence
- MLS-1 interacts with the Groucho-family co-repressor UNC-37 via a conserved eh1 motif.
- Loss of UNC-37 function leads to a transformation of uterine muscle precursors to vulval muscle fate.
- MLS-1 is necessary for the specification of uterine muscle fate during larval development.
Takeaway
This study shows that a protein called MLS-1 helps decide what type of muscle cells to become in tiny worms, and it needs help from another protein called Groucho to do this.
Methodology
The study used genetic and molecular techniques, including yeast two-hybrid assays and bimolecular fluorescence complementation (BiFC) assays.
Digital Object Identifier (DOI)
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