Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun genetics The
reverse transposition of anRNA intermediate
Etymologies
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Examples
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The second is by a mechanism called retrotransposition - in short, the messenger RNA of a gene, instead of being used for protein synthesis, is transcribed back into a DNA sequence and inserted into the genome, forming so-called “retrogenes”.
Rumors of pseudogenes' demise greatly exaggerated, new study says - The Panda's Thumb 2006
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They are duplicates formed through retrotransposition, and are "dead on arrival" because they are non-functional as soon as they "arrive".
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Random genetic drift, relaxed selective pressures, retrotransposition etc. aren't going anywhere.
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Random genetic drift, relaxed selective pressures, retrotransposition etc. aren't going anywhere.
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I don't have a problem with subjecting neutral mutations and retrotransposition to further inquiry, but I sincerely doubt their validity will take any kind of hit.
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And if (as appears to be the case) retroelements (such as retrotransposons) are generally the relics of past retroviral infections, then it would appear that endosymbiosis plays an important direct role in evolution, its plays an equally important albeit indirect role through retrotransposition.
Lynn Margulis: "Definitely a Darwinist" - The Panda's Thumb 2005
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It is true that a retrotransposition has to occur in the germ line, just as with any mutation that gets passed on.
Human Evolution: It's all in the testes - The Panda's Thumb 2005
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Occasional retrotransposition of autonomous elements, frequent retrotransposition of 3 'partial elements, and DNA replication slippage during retrotransposition offers a mechanistic explanation for the association of SSRs with RTE elements in lepidopteran genomes.
BioMed Central - Latest articles Wee Tek Tay 2010
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Mosaic recombination and hitchhiking on retrotransposition events to different loci were more prevalent in germ line as compared to somatic cells.
PLoS ONE Alerts: New Articles Mariana M. Hecht et al. 2010
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Mosaic recombination and hitchhiking on retrotransposition events to different loci were more prevalent in germ line as compared to somatic cells.
PLoS ONE Alerts: New Articles Mariana M. Hecht et al. 2010
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