Gene conversion of large DNA heterologous fragments has been shown to take place efficiently in Saccharomyces cerevisiae. It has been found that a 2.6 kb LEU2 DNA fragment in a multicopy plasmid was replaced by a 3.1 kb PGI1 chromosomal DNA fragment, when both fragments were flanked by homologous DNA regions. Gene conversion was asymmetric in a total of 481 recombinants analyzed. In contrast, truncated PGI1 or LEU2 genes in multicopy plasmids, gave no recombinants that restored a complete plasmid copy of these genes in a total of 242 recombinants studied, confirming that a conversion tract is disrupted by a heterologous region. The asymmetry of the events detected suggest that gene conversion of large DNA heterologies involves a process whereby a gap first covers one heterologous fragment and then this is followed by new DNA synthesis using the other heterologous fragment as a template. Therefore, it is likely that large DNA heterologies are converted by a double-strand gap repair mechanism.
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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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