Early decision; meiotic crossover interference prior to stable strand exchange and synapsis
- PMID: 15066278
- DOI: 10.1016/s0092-8674(04)00297-1
Early decision; meiotic crossover interference prior to stable strand exchange and synapsis
Abstract
During meiosis, DNA double-strand breaks ultimately yield two types of recombinants: crossovers (CO) and noncrossovers (NCO). Recent studies in budding yeast show the CO/NCO designation occurs before stable strand exchange and thus well before Holliday junction resolution. Chromosome synapsis occurs after CO/NCO designation and is not required for the regulated distribution of COs along chromosomes manifested as CO interference.
Comment on
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Crossover/noncrossover differentiation, synaptonemal complex formation, and regulatory surveillance at the leptotene/zygotene transition of meiosis.Cell. 2004 Apr 2;117(1):29-45. doi: 10.1016/s0092-8674(04)00292-2. Cell. 2004. PMID: 15066280
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Saccharomyces cerevisiae Mer3 helicase stimulates 3'-5' heteroduplex extension by Rad51; implications for crossover control in meiotic recombination.Cell. 2004 Apr 2;117(1):47-56. doi: 10.1016/s0092-8674(04)00294-6. Cell. 2004. PMID: 15066281
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