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- Interference_(genetic) abstract "Crossover interference is the term used to refer to the non-random placement of crossovers with respect to each other during meiosis. The term is attributed to Muller, who observed that one crossover \"interferes with the coincident occurrence of another crossing over in the same pair of chromosomes, and I have accordingly termed this phenomenon ‘interference’.\"Meiotic crossovers (COs) appear to be regulated to ensure that COs on the same chromosome are distributed far apart (crossover interference). In the nematode worm Caenorhabditis elegans, meiotic double-strand breaks (DSBs) outnumber COs. Thus not all DSBs are repaired by a recombination process(es) leading to COs. The RTEL-1 protein is required to prevent excess meiotic COs. In rtel-1 mutants meiotic CO recombination is significantly increased and crossover interference appears to be absent. RTEL1 likely acts by promoting synthesis-dependent strand annealing which results in non-crossover (NCO) recombinants instead of COs (see diagram). Normally, about half of all DSBs are converted into NCOs. RTEL-1 appears to enforce meiotic crossover interference by directing the repair of some DSBs towards NCOs rather than COs.In humans, recombination rate increases with maternal age. Furthermore, placement of female recombination events appears to become increasingly deregulated with maternal age, with a larger fraction of events occurring within closer proximity to each other than would be expected under simple models of crossover interference.".
- Interference_(genetic) thumbnail Homologous_Recombination.jpg?width=300.
- Interference_(genetic) wikiPageID "46389483".
- Interference_(genetic) wikiPageLength "3667".
- Interference_(genetic) wikiPageOutDegree "12".
- Interference_(genetic) wikiPageRevisionID "685095822".
- Interference_(genetic) wikiPageWikiLink Caenorhabditis_elegans.
- Interference_(genetic) wikiPageWikiLink Category:Cellular_processes.
- Interference_(genetic) wikiPageWikiLink Category:Molecular_genetics.
- Interference_(genetic) wikiPageWikiLink Chromosomal_crossover.
- Interference_(genetic) wikiPageWikiLink Chromosome.
- Interference_(genetic) wikiPageWikiLink Hermann_Joseph_Muller.
- Interference_(genetic) wikiPageWikiLink Meiosis.
- Interference_(genetic) wikiPageWikiLink Nematode.
- Interference_(genetic) wikiPageWikiLink Synthesis-dependent_strand_annealing_(SDSA).
- Interference_(genetic) wikiPageWikiLink File:Homologous_Recombination.jpg.
- Interference_(genetic) wikiPageWikiLinkText "Interference (genetic)".
- Interference_(genetic) wikiPageWikiLinkText "Interference".
- Interference_(genetic) wikiPageUsesTemplate Template:Genetics-stub.
- Interference_(genetic) wikiPageUsesTemplate Template:Reflist.
- Interference_(genetic) subject Category:Cellular_processes.
- Interference_(genetic) subject Category:Molecular_genetics.
- Interference_(genetic) hypernym Term.
- Interference_(genetic) comment "Crossover interference is the term used to refer to the non-random placement of crossovers with respect to each other during meiosis.".
- Interference_(genetic) label "Interference (genetic)".
- Interference_(genetic) sameAs m.01345k8t.
- Interference_(genetic) wasDerivedFrom Interference_(genetic)?oldid=685095822.
- Interference_(genetic) depiction Homologous_Recombination.jpg.
- Interference_(genetic) isPrimaryTopicOf Interference_(genetic).