In yeast, as in higher eukaryotes, reactive oxygen species are produced as normal by-products of cellular metabolism. Under physiological conditions, the cell defence mechanisms are able to avoid molecular damages. This balance is disturbed when yeast cells are exposed to diverse environmental stress conditions, such as the presence of oxidants, heat shock, ethanol and metal ions. The increased production of reactive oxygen species is sensed by the cell, leading to the induction of defence mechanisms - the oxidative stress response. The present review discusses the mechanisms by which reactive oxygen species are sensed and the signalling pathways that are coupled with changes in genomic expression programs. Yeast has been used as an eukaryotic cell system to characterise the molecular mechanisms underlying the oxidative stress response. Furthermore, yeast has been utilised to elucidate the role of oxidative stress in ageing, apoptosis, and diseases, such as familial amyotrophic lateral sclerosis and Friedreich's ataxia.
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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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