The pso4-1 mutant of S. cerevisiae is phenotypically similar to the recA mutant of E. coli; it is sensitive to DNA cross-linking agents and defective in both recombination and mutagenesis. In this paper we have measured the effect of the recA gene expression on the frequency of mitotic crossing-over and mitotic gene conversion in response to DNA damage induced by photoactivated 8-methoxypsoralen (8-MOP + UVA), ultraviolet radiation (UV) and N-methyl-N'-nitro-N-nitrosoguanidine (MNNG). The diploid pso4-1 mutant and the repair wild type strain were transformed with the multicopy plasmid carrying the recA gene placed under the control of the ADH1 promoter. The results showed that RecA is not able to restore block in induced mitotic recombination in pso4-1 cells after DNA damaging agents used. Thus RecA protein is not able to substitute Pso4 protein in homologous mitotic recombination indicating that they have probably different functions in this process.
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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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