Caenorhabditis elegans


CELE_D1014.8, slr-10, D1014.8
spr-1 encodes the C. elegans ortholog of the human corepressor CoREST that functions in HDAC-containing complexes to mediate transcriptional repression; in C. elegans, spr-1 was first identified in screens for genetic suppressors of the egg-laying defective phenotype of sel-12/presenilin mutants; subsequent genetic analyses showed that spr-1 likely functions as a negative regulator of LIN-12/Notch signaling in multiple cells, including those of the somatic gonad, vulva, and early embryo; spr-1 also interacts genetically with sem-5 to regulate postembryonic growth rates and lin-35Rb to regulate vulval morphogenesis and germline proliferation; in binding assays and yeast two-hybrid experiments, SPR-1 interacts with SPR-5, the C. elegans ortholog of the LSD1 histone demethylase; an SPR-1::MYC fusion protein expressed under the control of the cog-2 promoter localizes to the nucleus and shows increased staining in nuclear speckles and what appears to be the nucleolus.
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  • Interactors 4
  • Interactions 6
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