The differential distribution of the microtubule-organizing centres (MTOCs) that orchestrate spindle formation during cell division is a fascinating phenomenon originally described in Saccharomyces cerevisiae and later found to be conserved during stem cell divisions in organisms ranging from Drosophila to humans. Whether predetermined MTOC inheritance patterns fulfil any biological function is however unknown. Using a genetically designed S. cerevisiae strain that displays a constitutively inverted MTOC fate, we demonstrate that the asymmetric segregation of these structures is critical to ensure normal levels of the SIR2 sirtuin and correct localization of the mitochondrial inheritance regulator MFB1, and therefore to properly distribute functional mitochondria and protein aggregates between the mother and daughter cells. Consequently, interfering with this process severely accelerates cellular ageing.
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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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| Evidence ID | Analyze ID | File | Description |
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