Abstract
DNA break lesions pose a serious threat to the integrity of the genome. Eukaryotic cells can repair these lesions using the homologous recombination pathway that guides the repair reaction by using a homologous DNA template. The budding yeast Saccharomyces cerevisiae is an excellent model system with which to study this repair mechanism and the resulting patterns of genomic change resulting from it. In this chapter, we describe an approach that utilizes whole-genome sequencing data to support the analysis of tracts of loss-of-heterozygosity (LOH) that can arise from mitotic recombination in the context of the entire diploid yeast genome. The workflow and the discussion in this chapter are intended to enable classically trained molecular biologists and geneticists with limited experience in computational methods to conceptually understand and execute the steps of genome-wide LOH analysis as well as to adapt and apply them to their own specific studies and experimental models.
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