Journal
JOURNAL OF CELL SCIENCE
Volume 134, Issue 10, Pages -Publisher
COMPANY BIOLOGISTS LTD
DOI: 10.1242/jcs.255745
Keywords
Chromosomes; Meiosis; Phase separation; Crossover interference
Categories
Funding
- National Institute of General Medical Sciences [R35GM128804]
- Damon Runyon Cancer Research Foundation [DRG-2372-19]
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Crossover interference is a crucial process in sexual reproduction, but the molecular mechanisms behind it are still debated. Recent research has shed light on how signaling proteins regulate the formation of crossovers, providing new insights into this complex process. These findings contribute to a better understanding of how crossover interference is implemented in meiotic chromosomes.
The formation of crossovers between homologous chromosomes is key to sexual reproduction. In most species, crossovers are spaced further apart than would be expected if they formed independently, a phenomenon termed crossover interference. Despite more than a century of study, the molecular mechanisms implementing crossover interference remain a subject of active debate. Recent findings of how signaling proteins control the formation of crossovers and about the interchromosomal interface in which crossovers form offer new insights into this process. In this Review, we present a cell biological and biophysical perspective on crossover interference, summarizing the evidence that links interference to the spatial, dynamic, mechanical and molecular properties of meiotic chromosomes. We synthesize this physical understanding in the context of prevailing mechanistic models that aim to explain how crossover interference is implemented.
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