In budding yeast, macroautophagy/autophagy is required for cells to enter into the meiotic divisions. Our recent publication showed that autophagy is also required for meiotic exit. Inhibition of autophagy as cells enter into the meiotic divisions results in additional rounds of spindle formation, spindle elongation, and aberrant chromosome segregation leading to cell death. Under these conditions, the meiosis II-specific cyclin Clb3 is absent, and two substrates of the anaphase-promoting complex/cyclosome (APC/C) persist into the additional divisions instead of being degraded after meiosis II. We found that the translational repressor Rim4 is a substrate of autophagy, which could explain these observations through its known role in repressing synthesis of Clb3 and the meiosis-specific co-activator of the APC/C, Ama1. Combined, these results provide new mechanistic insight into the control of meiotic exit through timed autophagic degradation of a master regulator of gene expression.
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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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