"Crossing Over, Genetic" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
The reciprocal exchange of segments at corresponding positions along pairs of homologous CHROMOSOMES by symmetrical breakage and crosswise rejoining forming cross-over sites (HOLLIDAY JUNCTIONS) that are resolved during CHROMOSOME SEGREGATION. Crossing-over typically occurs during MEIOSIS but it may also occur in the absence of meiosis, for example, with bacterial chromosomes, organelle chromosomes, or somatic cell nuclear chromosomes.
| Descriptor ID |
D003434
|
| MeSH Number(s) |
G05.728.615.200
|
| Concept/Terms |
Crossing Over, Genetic- Crossing Over, Genetic
- Genetic Crossing Over
- Crossing-Over, Genetic
- Genetic Crossing-Over
- Crossing Over
- Crossing Overs
|
Below are MeSH descriptors whose meaning is more general than "Crossing Over, Genetic".
Below are MeSH descriptors whose meaning is more specific than "Crossing Over, Genetic".
This graph shows the total number of publications written about "Crossing Over, Genetic" by people in this website by year, and whether "Crossing Over, Genetic" was a major or minor topic of these publications.
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| Year | Major Topic | Minor Topic | Total |
|---|
| 2006 | 1 | 0 | 1 |
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Below are the most recent publications written about "Crossing Over, Genetic" by people in Profiles.
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Recombination events are concentrated in the spike protein region of Betacoronaviruses. PLoS Genet. 2020 12; 16(12):e1009272.
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Comparative analysis of 22 coronavirus HKU1 genomes reveals a novel genotype and evidence of natural recombination in coronavirus HKU1. J Virol. 2006 Jul; 80(14):7136-45.
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The N-terminal region of the murine coronavirus spike glycoprotein is associated with the extended host range of viruses from persistently infected murine cells. J Virol. 2004 Sep; 78(17):9073-83.
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Two amino acid changes at the N-terminus of transmissible gastroenteritis coronavirus spike protein result in the loss of enteric tropism. Virology. 1997 Jan 20; 227(2):378-88.
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Construction of murine coronavirus mutants containing interspecies chimeric nucleocapsid proteins. J Virol. 1995 Sep; 69(9):5475-84.
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RNA recombination in a coronavirus: recombination between viral genomic RNA and transfected RNA fragments. J Virol. 1992 Oct; 66(10):6117-24.
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Random nature of coronavirus RNA recombination in the absence of selection pressure. Virology. 1991 Nov; 185(1):441-5.