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LTR retrotransposons are class I transposable elements with long terminal repeats flanking an internal coding region. These elements are less abundant in mammals compared to other class I transposable elements. About 8 percent of human genomic DNA comprises LTR retrotransposons. Some of the common examples of LTR retrotransposons are Ty elements in yeast and Copia elements in Drosophila.
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Updated: Feb 25, 2026

Retroviral Scanning: Mapping MLV Integration Sites to Define Cell-specific Regulatory Regions
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Retromer.

María Lucas1, Aitor Hierro1

  • 1Structural Biology Unit, CIC bioGUNE, Bizkaia Technology Park, 48160 Derio, Spain.

Current Biology : CB
|July 26, 2017
PubMed
Summary
This summary is machine-generated.

Researchers Lucas and Hierro explain the retromer, a protein complex vital for endosomal protein sorting and trafficking within cells. This complex ensures proteins reach their correct destinations, maintaining cellular function.

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Area of Science:

  • Cell Biology
  • Molecular Biology
  • Protein Trafficking

Background:

  • Endosomal sorting is crucial for cellular function.
  • Protein trafficking pathways are complex and essential.
  • The retromer complex plays a key role in these processes.

Purpose of the Study:

  • To introduce the retromer complex.
  • To elucidate the retromer's function in endosomal protein sorting.
  • To describe the retromer's role in protein trafficking.

Main Methods:

  • Literature review
  • Introduction of key concepts
  • Explanation of molecular mechanisms

Main Results:

  • The retromer is identified as a key player in endosomal sorting.
  • Its role in directing proteins to specific cellular locations is detailed.
  • The mechanism of retromer-mediated trafficking is explained.

Conclusions:

  • The retromer is essential for proper protein sorting and trafficking.
  • Understanding the retromer provides insights into cellular organization.
  • Further research into retromer function can reveal therapeutic targets.