CELE_F35H8.5, elr-1, cel-1, F35H8.5

exc-7 encodes an ELAV, an mRNA-binding protein homologous to Drosophila ELAV and human HuC/D (OMIM:603458, 168360, autoimmune antigens associated with paraneoplastic neurologic disorders); EXC-7 is required for formation of the tailspike and the excretory cell canals; exc-7 mutations enhance defects produced by mutations in exc-3, predicted to encode a peptidase, and sma-1, which encodes beta H-spectrin, a key component of the apical cytokeleton of polarized epithelial cells such as the excretory cell; in vitro, EXC-7 can bind the sma-1 mRNA 3' UTR, and thus is predicted to regulate SMA-1 expression in vivo; EXC-7 is expressed transiently in the excretory cell nucleus during mid-embryogenesis and during larval stages is detected in the pharynx, nerve ring, and nerve cord nuclei.

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