Ageing cells undergo changes in redox homeostasis and acquire high levels of reactive oxygen species (ROS). Because accumulation of ROS involves a change in redox state of cells, functions that are involved in setting redox and maintaining redox homeostasis are very relevant to an understanding of the possible roles of redox homeostasis and ROS in ageing. This review discusses these aspects of ROS in relation to replicative ageing in the model organism Saccharomyces cerevisiae, with reference to ROS generated in cells; cellular responses to oxidative stress; and how cells maintain redox homeostasis in different cellular compartments. It also considers when ROS generation begins as cells age, which ROS species are relevant to ageing and which cellular compartments and processes may contribute ROS to the ageing process. The discussion also covers the heterogeneity of cells with respect to ROS accumulation at particular cell ages, and the possibility of testing the oxidative theory of ageing in yeast cells.
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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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