Spontaneous mutations occur in the DNA as a result of endogenous cellular processes. The antimutagenic processes within a cell consist primarily of mechanisms of DNA repair, which are critical for maintenance of genomic stability, while mutagenic processes include mistakes by the replicative machinery and spontaneous alterations in the base chemistry of DNA. In Saccharomyces cerevisiae spontaneous mutagenesis assays are typically employed when studying the DNA damage repair pathways, since loss of one of these mechanisms results in a detectable increase in the spontaneous mutation rate, which is determined by first growing cells to log phase, then subculturing them to a very low concentration and incubating for several days. This allows for many cell divisions and thus many opportunities for mutations to occur in the genome. The selection of mutants is typically based on a specific genetic marker such as an auxotrophic marker, and the total number is compared to the total number of viable cells in order to determine the mutation rate for an exponentially growing culture.
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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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Increase the total number of rows showing on this page by using the pull-down located below the table, or use the page scroll at the table's top right to browse through the table's pages; use the arrows to the right of a column header to sort by that column; filter the table using the "Filter" box at the top of the table; click on the small "i" buttons located within a cell for an annotation to view further details about experiment type and any other genes involved in the interaction.
| 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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