期刊
BIOCHEMICAL SOCIETY TRANSACTIONS
卷 -, 期 -, 页码 -出版社
PORTLAND PRESS LTD
DOI: 10.1042/BST20221329
关键词
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Meiotic crossovers are more evenly spaced along chromosomes than expected by chance due to crossover interference. The mechanism behind this phenomenon, which regulates the occurrence of nearby crossover events, remains elusive.
Meiotic crossovers, which are exchanges of genetic material between homologous chro-mosomes, are more evenly and distantly spaced along chromosomes than expected by chance. This is because the occurrence of one crossover reduces the likelihood of nearby crossover events - a conserved and intriguing phenomenon called crossover interference. Although crossover interference was first described over a century ago, the mechanism allowing coordination of the fate of potential crossover sites half a chromo-some away remains elusive. In this review, we discuss the recently published evidence supporting a new model for crossover patterning, coined the coarsening model, and point out the missing pieces that are still needed to complete this fascinating puzzle.
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