retroposonn.
/ˌrɛtrəʊˈpəʊzɒn/, U.S. /ˌrɛtroʊˈpoʊzɑn/ Genetics.
= retrotransposon n.
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the world > life > biology > biological processes > genetic activity > genetic components > [noun] > nucleic acid > DNA > section of
operator1961
satellite1962
junk DNA1963
spacer1963
transposon1974
antisense1977
retroposon1983
retrotransposon1985
retroelement1988
microsatellite1989
1983 J. Rogers in Nature 10 Feb. 460/3 Several classes of dispersed repeated sequences in mammalian DNA share common properties which imply that they are derived from RNA... A new name seems to be required for the RNA-derived type of sequence, and I suggest ‘retroposons’, to denote their RNA origin and their dispersed positions.
1987 Nature 6 Aug. 557/2 The presence of endogenous viral retroposons encoding reverse transcriptase.
2007 New Scientist 14 July 19/1 It belongs to a class of non-coding DNA called retroposons, which are frequently copied and pasted from one location to another within an animal's genome.
This entry has been updated (OED Third Edition, March 2010; most recently modified version published online March 2022).
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n.1983