To study the mechanism of meiotic recombination in Saccharomyces cerevisiae, we examined recombination in an interval where the majority of events are initiated at a single hotspot for DNA double-strand breaks (DSBs), with little or no expected contribution by outside initiation events. This interval contained infrequently corrected palindromic markers 300 bp to the left and 600 bp to the right of the DSB hotspot. Conversion of single markers occurred frequently, while conversion of both markers occurred rarely, and many of the tetrads in which both markers converted were the products of multiple events. These data indicate that most meiotic recombination intermediates are asymmetrically positioned around the initiating DSB, with a short (<300 bp) tract of heteroduplex DNA (hDNA) to one side and hDNA on the other side frequently extending 600 bp or more. One consequence of this asymmetry is the preferential concentration of crossovers in the vicinity of the initiating DSB.
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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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| Evidence ID | Analyze ID | File | Description |
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