SequenceLDhot: detecting recombination hotspots
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SequenceLDhot: detecting recombination hotspots
MOTIVATION There is much local variation in recombination rates across the human genome--with the majority of recombination occurring in recombination hotspots--short regions of around approximately 2 kb in length that have much higher recombination rates than neighbouring regions. Knowledge of this local variation is important, e.g. in the design and analysis of association studies for disease...
متن کاملDetecting Recombination Hotspots from Patterns of Linkage Disequilibrium
With recent advances in DNA sequencing technologies, it has become increasingly easy to use whole-genome sequencing of unrelated individuals to assay patterns of linkage disequilibrium (LD) across the genome. One type of analysis that is commonly performed is to estimate local recombination rates and identify recombination hotspots from patterns of LD. One method for detecting recombination hot...
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Many studies have demonstrated that the distribution of meiotic crossover events along chromosomes is non-random in plants and other species with sexual reproduction. Large differences in recombination frequencies appear at several scales. On a large scale, regions of high and low rates of crossover have been found to alternate along the chromosomes in all plant species studied. High crossover ...
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The DNA-binding protein PRDM9 has a critical role in specifying meiotic recombination hotspots in mice and apes, but it appears to be absent from other vertebrate species, including birds. To study the evolution and determinants of recombination in species lacking the gene that encodes PRDM9, we inferred fine-scale genetic maps from population resequencing data for two bird species: the zebra f...
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Meiotic recombination in humans is thought to occur as part of the resolution of DSBs (double-strand breaks). The repair of DSBs potentially leads to biases in DNA repair that can distort the population frequency of the alleles at single-nucleotide polymorphisms. Genome-wide variation data provide evidence for a weak fixation bias in favour of G and C alleles that is strongest at the centre of ...
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ژورنال
عنوان ژورنال: Bioinformatics
سال: 2006
ISSN: 1367-4803,1460-2059
DOI: 10.1093/bioinformatics/btl540