RNA and sex determination in Caenorhabditis elegans: Post-transcriptional regulation of the sex-determining tra-2 and fem-3 mRNAs in the Caenorhabditis elegans hermaphrodite
摘要：
The Caenorhabditis elegans hermaphrodite sequentially produces sperm and oocytes from a single pool of precursors. Therefore, the hermaphrodite's germ line is the site of two major cell fate decisions: a germ cell precursor first undergoes a mitosis/meiosis decision and then a sperm/oocyte decision. While the mitosis/meiosis decision is governed by Notch/GLP-1 signalling, the sperm/oocyte decision relies on post-transcriptional regulation of two key mRNAs, tra-2 and fem-3. This review focuses on factors that are required for the silencing of these mRNAs, which results in the sequential production of sperm and oocytes. Most factors that regulate the expression of tra-2 and fem-3 are homologous to proteins involved in RNA regulation in yeast, mammals or Drosophila, suggesting that at least some of the molecular mechanisms regulating the two worm mRNAs have been conserved throughout evolution.
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关键词：
Animals Drosophila Caenorhabditis elegans Helminth Proteins Caenorhabditis elegans Proteins Drosophila Proteins Ribonucleoproteins Evolution, Molecular Meiosis Mitosis
DOI：
10.1093/embo-reports/kve209
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年份：
2001
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