Replication through (6-4)TT and G-AAF lesions was compared in Saccharomyces cerevisiae strains proficient and deficient for the RAD30-encoded DNA polymerase eta (Pol eta). In the RAD30 strain, the (6-4)TT lesion is replicated both inaccurately and accurately 60 and 40% of the time, respectively. Surprisingly, in a rad30 Delta strain, the level of mutagenic bypass is essentially suppressed, while error-free bypass remains unchanged. Therefore, Pol eta is responsible for mutagenic replication through the (6-4)TT photoproduct, while another polymerase mediates its error-free bypass. Deletion of the RAD30 gene also reduces the levels of both accurate and inaccurate bypass of AAF lesions within two different sequence contexts up to 8-fold. These data show that, in contrast to the accurate bypass by Pol eta of TT cyclobutane dimers, it is responsible for the mutagenic bypass of other lesions. In conclusion, this paper shows that, in yeast, translesion synthesis involves the combined action of several polymerases.
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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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