Homologous recombination in Saccharomyces cerevisiae and other organisms can be stimulated by transcription. Consistent with this, we find that recombination of a chromosomal ade1 allele with a plasmid-borne ADE1 ORF under the control of the GAL1 promoter increased from 6.1x10(-6) to 1.7x10(-4) when transcription of the plasmid locus was induced by growing the cells in the presence of galactose. Recombination could also be stimulated by over-expressing the Gal4 transcription factor in the presence of the GAL1-ADE1 plasmid, while culturing the cells in dextrose medium. However, when transcription of the same ORF was driven from the highly active promoters of the rDNA (RNA polymerase I), and ADH1 (RNA polymerase II) genes, only background levels of recombination (5-10x10(-6)) were observed, irrespective of the carbon source. Recombination was found to involve integration of the whole plasmid and to depend on RAD51, RAD52 and RAD54. The results indicate that increased accessibility of transcriptionally active chromatin is not sufficient to cause increased rates of this kind of reciprocal exchange.
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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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