SEL-8, a nuclear protein required for LIN-12 and GLP-1 signaling in Caenorhabditis elegans.
basic_science · Level V
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- Record sourced from PubMed, PMID 10884418.
- Also identified by PMC identifier 16638.
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Abstract
LIN-12 and GLP-1 are members of the LIN-12/Notch family of receptors that mediate cell-cell interactions during development. The sel-8 gene had been identified previously in a screen for suppressors of a mutation that constitutively activates LIN-12. Here, we report that sel-8 is essential for lin-12- and glp-1-mediated signaling, and that SEL-8 is a glutamine-rich nuclear protein. We postulate that SEL-8 serves as a transcriptional coactivator or as an assembly factor for transcription complexes that contain the LIN-12 or GLP-1 intracellular domains.
Medical subject headings
- Caenorhabditis elegans Proteins
- DNA-Binding Proteins
- Helminth Proteins
- Membrane Glycoproteins
- Membrane Proteins
- Nuclear Proteins
- Trans-Activators
- Transcription Factors