Meiotic DSB patterning: A multifaceted process

Meiosis is a specialized two-step cell division responsible for genome haploidization and the generation of genetic diversity during gametogenesis. An integral and distinctive feature of the meiotic program is the evolutionarily conserved initiation of homologous recombination (HR) by the developmen...

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Veröffentlicht in:Cell cycle (Georgetown, Tex.) Tex.), 2016-01, Vol.15 (1), p.13-21
Hauptverfasser: Cooper, Tim J., Garcia, Valerie, Neale, Matthew J.
Format: Artikel
Sprache:eng
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Zusammenfassung:Meiosis is a specialized two-step cell division responsible for genome haploidization and the generation of genetic diversity during gametogenesis. An integral and distinctive feature of the meiotic program is the evolutionarily conserved initiation of homologous recombination (HR) by the developmentally programmed induction of DNA double-strand breaks (DSBs). The inherently dangerous but essential act of DSB formation is subject to multiple forms of stringent and self-corrective regulation that collectively ensure fruitful and appropriate levels of genetic exchange without risk to cellular survival. Within this article we focus upon an emerging element of this control-spatial regulation-detailing recent advances made in understanding how DSBs are evenly distributed across the genome, and present a unified view of the underlying patterning mechanisms employed.
ISSN:1538-4101
1551-4005
DOI:10.1080/15384101.2015.1093709