In Caenorhabditis elegans, lack of the conserved germline RNA helicase CGH-1 causes infertility and excessive levels of physiological germline apoptosis, a process that normally claims about half of all developing oocytes. In yeast the CGH-1 ortholog is a key component of degradative "processing (P) bodies," which may share some properties with germline protein-RNA complexes such as P granules. During oogenesis CGH-1 associates with P granules, but also accumulates to high levels in additional cytoplasmic particles. Here we show that appropriate levels and localization of CGH-1 depends on some P granule components and on mechanisms that establish meiotic development. At the same time, germ cell death is not increased by various abnormalities in P granules or meiosis. We conclude that in developing oocytes CGH-1 particles accumulate specifically in response to meiotic development and have distinct functions from P granules, and may be dynamic protein-mRNA structures.
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Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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Site | Modification | Modifier | Source | Reference |
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Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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