Cited by 156Cellular transport and secretionAutophagy in Disease and TherapyCalcium signaling and nucleotide metabolism

The R-SNARE Endobrevin/VAMP-8 Mediates Homotypic Fusion of Early Endosomes and Late Endosomes

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Antonin, Wolfram, Holroyd, Claudia, Tikkanen, Ritva, Höning, Stefan, Jahn, Reinhard·2000·Molecular Biology of the Cell

Abstract

Endobrevin/VAMP-8 is an R-SNARE localized to endosomes, but it is unknown in which intracellular fusion step it operates. Using subcellular fractionation and quantitative immunogold electron microscopy, we found that endobrevin/VAMP-8 is present on all membranes known to communicate with early endosomes, including the plasma membrane, clathrin-coated pits, late endosomes, and membranes of thetrans-Golgi network. Affinity-purified antibodies that block the ability of endobrevin/VAMP-8 to form SNARE core complexes potently inhibit homotypic fusion of both early and late endosomes in vitro. Fab fragments were as active as intact immunoglobulin Gs. Recombinant endobrevin/VAMP-8 inhibited both fusion reactions with similar potency. We conclude that endobrevin/VAMP-8 operates as an R-SNARE in the homotypic fusion of early and late endosomes.

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Crossref · 10.1091/mbc.11.10.3289

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  • This complex brings endosomes/phagosomes in close proximity as a prerequisite for fusion, probably involving VAMP7 and 8.

    “This complex brings endosomes/phagosomes in close proximity as a prerequisite for fusion (probably involving VAMP7 and 8) (35, 36).”

    From Macrophage defense mechanisms against intracellular bacteria (2015) · cites this paper as [36]

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Authors
Antonin, W., Holroyd, C., Tikkanen, R., Höning, S., & Jahn, R.
Affiliations
  • Max Planck Institute for Biophysical Chemistry (DE)
  • University of Bonn (DE)
  • University of Göttingen (DE)
Venue
Molecular Biology of the Cell
Published
2000-10
Volume
11
Issue
10
Pages
3289-3298
ISSN
  • 1059-1524 (ISSN-L)
  • 1939-4586
OpenAlex
W2148157392
Cited by
156
References
60
Citations by year
2026: 3 · 2025: 3 · 2023: 3 · 2022: 3 · 2021: 5 · 2020: 4 · 2019: 1 · 2018: 6 · 2017: 10 · 2016: 5 · 2015: 8 · 2014: 6 · 2013: 5 · 2012: 14
FWCI
1.92
Type
journal article
Language
en
Open access
Locations
  • Molecular Biology of the Cell (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Max Planck Institute for Plasma Physics (submittedVersion)
  • GRO (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion, other-oa)
Funders
  • National Science Foundation
  • Deutsche Forschungsgemeinschaft
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular transport and secretion
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Physiology › Calcium signaling and nucleotide metabolism
Keywords
R-SNARE, homotypic fusion, early endosomes, late endosomes, membrane trafficking, clathrin-coated pits, trans-Golgi network, endosomal membrane fusion
MeSH terms
Animals, Cell Fractionation, Cell Membrane, Cell-Free System, Coated Pits, Cell-Membrane, Membrane Fusion, Membrane Proteins, Endosomes, Synaptophysin, trans-Golgi Network, Vesicular Transport Proteins, SNARE Proteins, R-SNARE Proteins, Qa-SNARE Proteins, Rats

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