retroposons meaning

  "retroposons" in a sentence
  • [Medicine]
    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.


  1. Interestingly, it was recently found that specific LINE-1 retroposons in the human genome are actively transcribed and the associated LINE-1 RNAs are tightly bound to nucleosomes and essential in the establishment of local chromatin environment.
  2. The group was proposed following an alignment of nuclear intron sequences by Shannon Hackett et al . in 2008, it was formally named in a 2011 " Nature Communications " article by Alexander Suh and other authors working with J�rgen Schmitz's group, based on genetic analysis of the insertion of retroposons into the genomes of key avian lineages over the course of evolution during the Mesozoic Era.

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