retroposon

retroposon
A transposition of sequences in a DNA that does not originate in the DNA but rather in an mRNA that is transcribed back into the genomic DNA by reverse transcription. [retro- + L. pono, pp. positum, to place, + -on]

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ret·ro·po·son -'pō-.zän n RETROTRANSPOSON

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ret·ro·po·son (ret″ro-poґzon) retrotransposon.

Medical dictionary. 2011.

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  • Retroposon — Retroposons are repetitive DNA fragments which are inserted into chromosomes after they had been reverse transcribed from any RNA molecule. In contrast to retrotransposons, they never encode Reverse Transcriptase (RT). Therefore, they are non… …   Wikipedia

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  • retroposon — noun A fragment of DNA inserted into a chromosome following reverse transcription from RNA …   Wiktionary

  • retroposon — A transposable element that moves via reverse transcription but lacks the long terminal repeat sequences necessary for autonomous transposition. Much of the repetitive DNA that makes up a large proportion of eukaryotic genomes consists of… …   Glossary of Biotechnology

  • retroposon — …   Useful english dictionary

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