Regular ArticleA 9.75-Mb Map across the Centromere of Human Chromosome 10
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DNA strand breaks at centromeres: Friend or foe?
2024, Seminars in Cell and Developmental BiologyEmerging mechanisms and roles of meiotic crossover repression at centromeres
2023, Current Topics in Developmental BiologyCitation Excerpt :Upon constructing a genetic map using 27 loci within its pericentric region, the meiotic recombination frequency was found to be ~ 8 times lower than the genome-wide estimate for the X chromosome (Mahtani & Willard, 1998). Analysis of chromosome 10 centromere also showed similar repression (Jackson, See, Mulligan, & Lauffart, 1996). Despite a tight control in repressing COs at centromeres, other recombination events such as gene conversions are found to be prevalent in several species such as maize (Shi et al., 2010).
Repression of harmful meiotic recombination in centromeric regions
2016, Seminars in Cell and Developmental BiologyCitation Excerpt :Early studies on human chromosomes indicated reduced crossover-density near centromeres [54,55]. Integrated physical and genetic maps generated for human centromere 10 showed 9–11-fold reduced recombination [56] and ∼8-fold reduced meiotic exchange near the human X centromere compared to the rest of the chromosome [52]. More recent studies have focused on understanding the factors causing pericentric repression of meiotic recombination.
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