Chemicals and Drugs

Retroelements

Elements that are transcribed into RNA, reverse-transcribed into DNA and then inserted into a new site in the genome. Long terminal repeats (LTRs) similar to those from retroviruses are contained in retrotransposons and retrovirus-like elements. Retroposons, such as LONG INTERSPERSED NUCLEOTIDE ELEMENTS and SHORT INTERSPERSED NUCLEOTIDE ELEMENTS do not contain LTRs.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Elements that are transcribed into RNA, reverse-transcribed into DNA and then inserted into a new site in the genome. Long terminal repeats (LTRs) similar to those from retroviruses are contained in retrotransposons and retrovirus-like elements. Retroposons, such as LONG INTERSPERSED NUCLEOTIDE ELEMENTS and SHORT INTERSPERSED NUCLEOTIDE ELEMENTS do not contain LTRs.

MeSH Record

Classification

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See Also

MeSH Record

Synonyms

19 entry terms
  • Retroelement
  • MDG1 Retrotransposons
  • Mobile Dispersed Genetic Elements
  • Retroposons
  • Retrotransposons
  • Retrovirus-like Elements
  • Ty1 Transposon
  • Element, Retrovirus-like
  • Elements, Retrovirus-like
  • MDG1 Retrotransposon
  • Retroposon
  • Retrotransposon
  • Retrotransposon, MDG1
  • Retrotransposons, MDG1
  • Retrovirus like Elements
  • Retrovirus-like Element
  • Transposon, Ty1
  • Transposons, Ty1
  • Ty1 Transposons

MeSH Record

Aspects Covered

6 allowable subheadings

Indexed with the subheadings drug effects, ethics, genetics, immunology, physiology, radiation effects.

MeSH Record

History Note

99(95); for MOBILE DISPERSED GENETIC ELEMENTS use DNA TRANSPOSABLE ELEMENTS 1982-98; for TY1 TRANSPOSON use DNA TRANSPOSABLE ELEMENTS 1988-98

MeSH Record

Previous Indexing

  • DNA Insertion Elements (1985-1994)

MeSH Hierarchy

Tree Numbers

MeSH Record

NLM Classification

QU 470

AMA Style

References

  1. National Library of Medicine. Retroelements. Medical Subject Headings (MeSH). 2026. Unique ID D018626. http://id.nlm.nih.gov/mesh/2026/D018626
  2. Retroelements. In: Wikipedia. https://en.wikipedia.org/wiki/Retrotransposon
  3. Retroelements. In: Wikidata. https://www.wikidata.org/wiki/Q413988