Cited by 335Neuroscience and Neuropharmacology ResearchCellular transport and secretionExtracellular vesicles in disease

The organization of cytoplasm at the presynaptic active zone of a central nervous system synapse

Landis, Dennis M.D., Hall, Alison K., Weinstein, Lori A., Reese, Thomas S.·1988·Neuron

Abstract

The axoplasm at the presynaptic active zone of excitatory synapses between parallel fibers and Purkinje cell spines contains a meshwork of distinct filaments intermingled with synaptic vesicles, seen most clearly after the rapid freezing, freeze-etch technique of tissue preparation. One set of filaments extends radially from synaptic vesicles and intersects similar filaments associated with vesicles as well as larger filaments arising from the presynaptic membrane. The small, vesicle-associated filaments appear to link synaptic vesicles to one another and to enmesh them in the vicinity of the synaptic junction. The vesicle-associated filaments could be synapsin I because they have the same molecular dimensions and are distributed in the same pattern as synapsin I immunoreactivity.

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Crossref · 10.1016/0896-6273(88)90140-7

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45 of 45 references verified0 citation errors · 0 not checkable

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  • In cryo-EM studies of unfixed and unstained synapse preparations, no dense projections are detectable; the only structures visible are the plasma membrane, synaptic vesicles, and sparse filaments that connect vesicles to each other or tether vesicles to the presynaptic plasma membrane.

    “In cryo-EM studies of unfixed and unstained synapse preparations, however, no dense projections are detectable. The only structures visible are the plasma membrane, synaptic vesicles, and sparse filaments that either connect vesicles to each others (“connectors,” average length ~10 nm) or tether vesicles to the presynaptic plasma membrane (“tethers”—5–20 nm; Landis et al., 1988; Fernández-Busnadie”

    From The Presynaptic Active Zone (2012) · cites this paper as Landis et al., 1988

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Authors
Landis, D. M. D., Hall, A. K., Weinstein, L. A., & Reese, T. S.
Affiliations
  • Case Western Reserve University (US)
  • National Institutes of Health (US)
Venue
Neuron
Publisher
Elsevier BV
Published
1988-05
Volume
1
Issue
3
Pages
201-209
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2024032585
Cited by
333
References
46
Citations by year
2026: 2 · 2025: 1 · 2024: 4 · 2023: 6 · 2022: 4 · 2021: 6 · 2020: 3 · 2019: 8 · 2018: 10 · 2017: 9 · 2016: 4 · 2015: 7 · 2014: 12 · 2013: 10 · 2012: 12
FWCI
5.23
Type
journal article
Language
en
Open access
closed
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Neurological Disorders and Stroke (NS 23641)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular transport and secretion
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Extracellular vesicles in disease
Keywords
active zone, axoplasm, synaptic vesicles, parallel fibers, synapsin I, cytoskeletal filaments, synapses, excitatory synapses, central nervous system synapses
MeSH terms
Animals, Cerebellum, Cytoplasm, Mice, Inbred C57BL, Microscopy, Electron, Nerve Tissue Proteins, Synapses, Synapsins, Mice

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