DMC1 ChIP-seq from B6xCAST F1 PRDM9-Humanized/CAST testes
收藏干细胞与再生医学数据中心2022-02-20 更新2024-03-06 收录
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We report testis DMC1 enrichment at DSB (Double-Strand Break) hotspots in a B6xCAST F1 mouse, which is heterozygous at Prdm9, with one wild-type CAST allele and one allele found in human populations (bred from genetically engineered mother, Davies et al Nature 2012). We also report H3K4me3 intensities at these hotspots, based on the raw data published under GSE119727 (Li et al). Separately, we have reported 2,649 crossover locations identified by single-cell DNA sequencing of 217 sperm from the same hybrid mouse. We identify several factors, including PRDM9 binding on the repair-template homologue, telomere proximity and local GC-content, that affect the probability that a DSB is repaired as a crossover. We further show that these factors also influence the time it takes for the site of a DSB to find and engage its homologue, with rapidly-engaging sites being more likely to be repaired as crossovers.
提供机构：
Oxford University
创建时间：
2022-02-20
