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- W4287385122 startingPage "155" @default.
- W4287385122 abstract "Crossover events during recombination in meiosis are essential for generating genetic diversity as well as crucial to allow accurate chromosomal segregation between homologous chromosomes. Spatial control for the distribution of crossover events along the chromosomes is largely a tightly regulated process and involves many facets such as interference, repression as well as assurance, to make sure that not too many or too few crossovers are generated. Repression of crossover events at the centromeres is a highly conserved process across all species tested. Failure to inhibit such recombination events can result in chromosomal mis-segregation during meiosis resulting in aneuploid gametes that are responsible for infertility or developmental disorders such as Down's syndrome and other trisomies in humans. In the past few decades, studies to understand the molecular mechanisms behind this repression have shown the involvement of a multitude of factors ranging from the centromere-specific proteins such as the kinetochore to the flanking pericentric heterochromatin as well as DNA double-strand break repair pathways. In this chapter, we review the different mechanisms of pericentric repression mechanisms known till date as well as highlight the importance of understanding this regulation in the context of chromosomal segregation defects. We also discuss the clinical implications of dysregulation of this process, especially in human reproductive health and genetic diseases." @default.
- W4287385122 created "2022-07-25" @default.
- W4287385122 creator A5008161312 @default.
- W4287385122 creator A5025289592 @default.
- W4287385122 creator A5074079551 @default.
- W4287385122 date "2023-01-01" @default.
- W4287385122 modified "2023-09-29" @default.
- W4287385122 title "Emerging mechanisms and roles of meiotic crossover repression at centromeres" @default.
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