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Coat proteins regulating membrane traffic.

S J Scales1, M Gomez, T E Kreis

  • 1Department of Cell Biology, University of Geneva, Switzerland.

International Review of Cytology
|December 22, 1999
PubMed
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Coat proteins regulate membrane traffic in eukaryotic cells by forming coated vesicles. This review details four coat complexes and their roles in cargo selection and vesicle targeting.

Area of Science:

  • Cell Biology
  • Molecular Biology
  • Membrane Trafficking

Background:

  • Eukaryotic cells utilize complex membrane trafficking systems to transport molecules.
  • Coat proteins are essential components that mediate the formation and targeting of transport vesicles.

Purpose of the Study:

  • To review the diverse roles of coat proteins in regulating eukaryotic cellular membrane traffic.
  • To describe characterized coat complexes and their functions in vesicular transport.

Main Methods:

  • Literature review of scientific publications on coat proteins and membrane trafficking.
  • Analysis of the structural and functional characteristics of identified coat complexes.

Main Results:

  • Four major types of coat complexes are described: clathrin, AP-3, COPI, and COPII.

Related Experiment Videos

  • Coat proteins are involved in membrane deformation, cargo selection, and vesicle targeting.
  • An alternative transport model via tubular connections and regulation mechanisms are discussed.

    • Conclusions:

    • Coat proteins are critical regulators of vesicular transport, influencing multiple steps.
    • Evidence suggests coat proteins may also regulate other membrane traffic pathways.
    • Understanding coat protein function is key to deciphering cellular transport mechanisms.