Meiosis is a specialized form of cell division resulting in reproductive cells with a reduced, usually haploid, genome complement. A key step after premeiotic DNA replication is the occurrence of homologous recombination at multiple places throughout the genome, initiated with the formation of DNA double-strand breaks (DSBs) catalyzed by the topoisomerase-like protein Spo11. DSBs are distributed non-randomly in genomes, and understanding the mechanisms that shape this distribution is important for understanding how meiotic recombination influences heredity and genome evolution. Several methods exist for mapping where Spo11 acts. Of these, sequencing of Spo11-associated oligonucleotides (Spo11 oligos) is the most precise, specifying the locations of DNA breaks to the base pair. In this chapter we detail the steps involved in Spo11-oligo mapping in the SK1 strain of budding yeast Saccharomyces cerevisiae, from harvesting cells of highly synchronous meiotic cultures, through preparation of sequencing libraries, to the mapping pipeline used for processing the data.
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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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