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Related Experiment Videos

Horizontal transfer.

M G Kidwell1

  • 1Department of Ecology and Evolutionary Biology, University of Arizona, Tucson 85721.

Current Opinion in Genetics & Development
|December 1, 1992
PubMed
Summary
This summary is machine-generated.

Eukaryotic transposable elements, or transposons, can occasionally transfer DNA between species. Research explores the mechanisms and evolutionary significance of this horizontal gene transfer, questioning if transposons are more prone to it than other genes.

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Area of Science:

  • Genetics
  • Evolutionary Biology
  • Molecular Biology

Background:

  • Eukaryotic transposable elements (TEs) are known to occasionally transfer DNA sequences between species.
  • Horizontal gene transfer (HGT) mechanisms for TEs are not fully understood.
  • Increasing reports of potential TE HGT prompt further investigation.

Purpose of the Study:

  • To explore the mechanisms behind horizontal transfer of eukaryotic transposable elements.
  • To investigate if TEs are more prone to horizontal transfer than non-mobile genes.
  • To assess the evolutionary significance of potential differences in HGT rates.

Main Methods:

  • Review of current literature on transposable element transfer.
  • Analysis of genetic data to identify potential horizontal transfer events.

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  • Comparative genomics to assess transfer rates between TEs and other genes.

    • Main Results:

    • Emerging hypotheses regarding the mechanisms of TE horizontal transfer.
    • Growing body of evidence suggesting frequent HGT of TEs.
    • Identification of open questions regarding TE HGT prevalence.

    Conclusions:

    • Horizontal transfer of eukaryotic transposable elements is a documented phenomenon.
    • Further research is needed to elucidate the mechanisms and evolutionary impact of TE HGT.
    • The potential for TEs to transfer horizontally more readily than other genes warrants investigation.