retroposon

A fragment of DNA inserted into a chromosome following reverse transcription from RNA

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  • Retroposon — Als Retroposon bzw. Nicht LTR Transposon bezeichnet man eine transposable, also springende DNA Sequenz, die als mobile Zwischenstufe RNA nutzen (Retroelemente), jedoch keine flankierenden Wiederholungssequenzen (long terminal repeats) besitzen.… …   Deutsch Wikipedia

  • 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

  • Rétroposon — Rétrotransposon Les rétrotransposons appartiennent à la grande famille des éléments transposables (éléments de Classe I à intermédiaire ARN). Ils correspondent à des séquences d ADN endogènes capables de se déplacer et surtout de se multiplier… …   Wikipédia en Français

  • 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] * * * ret·ro·po·son pō .zän n… …   Medical dictionary

  • 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

  • Eutheria — Further information: Evolution of mammals Eutheria Temporal range: 165–0 Ma …   Wikipedia

  • Pegasoferae — Taxobox name = Pegasoferae fossil range = image width = 200px image caption = Plains Zebras regnum = Animalia phylum = Chordata classis = Mammalia infraclassis = Eutheria unranked ordo = Laurasiatheria superordo = Pegasoferae ordo authority =… …   Wikipedia

  • Evolution of mammals — Restoration of Thrinaxodon, a member of the cynodont group, which includes the ancestors of mammals Further information: Evolutionary history of life The evolution of mammals within the synapsid lineage (sometimes called mammal like reptiles )… …   Wikipedia

  • Flussdelfin — Flussdelfine Amazonasdelfin (Inia geoffrensis) Systematik Klasse: Säugetiere (Mammalia) …   Deutsch Wikipedia

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