Cited by 389Cellular transport and secretionNeuroscience and Neuropharmacology ResearchExtracellular vesicles in disease

The Morphological and Molecular Nature of Synaptic Vesicle Priming at Presynaptic Active Zones

Open access
Imig, Cordelia, Min, Sang-Won, Krinner, Stefanie, Arancillo, Marife, Rosenmund, Christian, Südhof, Thomas C., Rhee, JeongSeop, Brose, Nils +1 more·2014·Neuron

Abstract

Synaptic vesicle docking, priming, and fusion at active zones are orchestrated by a complex molecular machinery. We employed hippocampal organotypic slice cultures from mice lacking key presynaptic proteins, cryofixation, and three-dimensional electron tomography to study the mechanism of synaptic vesicle docking in the same experimental setting, with high precision, and in a near-native state. We dissected previously indistinguishable, sequential steps in synaptic vesicle active zone recruitment (tethering) and membrane attachment (docking) and found that vesicle docking requires Munc13/CAPS family priming proteins and all three neuronal SNAREs, but not Synaptotagmin-1 or Complexins. Our data indicate that membrane-attached vesicles comprise the readily releasable pool of fusion-competent vesicles and that synaptic vesicle docking, priming, and trans-SNARE complex assembly are the respective morphological, functional, and molecular manifestations of the same process, which operates downstream of vesicle tethering by active zone components.

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Crossref · 10.1016/j.neuron.2014.10.009

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Authors
Imig, C., Min, S.-W., Krinner, S., Arancillo, M., Rosenmund, C., Südhof, T. C., Rhee, J., Brose, N., & Cooper, B. H.
Affiliations
  • Max Planck Institute of Experimental Medicine (DE)
  • NeuroCure Cluster of Excellence (DE)
  • Howard Hughes Medical Institute (US)
Corresponding author
  • Brose, Nils
  • Cooper, Benjamin H.
Venue
Neuron
Publisher
Elsevier BV
Published
2014-10
Volume
84
Issue
2
Pages
416-431
ISSN
0896-6273 (ISSN-L)
OpenAlex
W1996414800
Cited by
389
References
104
Citations by year
2026: 18 · 2025: 24 · 2024: 33 · 2023: 28 · 2022: 42 · 2021: 44 · 2020: 35 · 2019: 39 · 2018: 32 · 2017: 40 · 2016: 27 · 2015: 26 · 2014: 1
FWCI
15.60
Type
journal article
Language
en
Update notices
erratum (2014-11-19)
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • Max Planck Institute for Plasma Physics (submittedVersion)
  • GRO (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Funders
Howard Hughes Medical Institute
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular transport and secretion
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Extracellular vesicles in disease
Keywords
synaptic vesicle priming, synaptic vesicle docking, active zone, Munc13, synaptotagmin-1, complexin, vesicle tethering, membrane adhesion, readily releasable pool, hippocampal synapses
MeSH terms
Animals, Hippocampus, Membrane Fusion, Synaptic Transmission, Neurons, Synapses, Synaptic Vesicles, SNARE Proteins, Mice

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