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The Structure of the Synaptic Vesicle-Plasma Membrane Interface Constrains SNARE Models of Rapid, Synchronous Exocytosis at Nerve Terminals

Overview of attention for article published in Frontiers in Molecular Neuroscience, February 2017
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Title
The Structure of the Synaptic Vesicle-Plasma Membrane Interface Constrains SNARE Models of Rapid, Synchronous Exocytosis at Nerve Terminals
Published in
Frontiers in Molecular Neuroscience, February 2017
DOI 10.3389/fnmol.2017.00048
Pubmed ID
Authors

Cameron B. Gundersen

Abstract

Contemporary models of neurotransmitter release invoke direct or indirect interactions between the Ca(2+) sensor, synaptotagmin and the incompletely zippered soluble, N-ethyl-maleimide-sensitive factor attachment protein receptor (SNARE) complex. However, recent electron microscopic (EM) investigations have raised pragmatic issues concerning the mechanism by which SNAREs trigger membrane fusion at nerve terminals. The first issue is related to the finding that the area of contact between a "fully primed" synaptic vesicle and the plasma membrane can exceed 600 nm(2). Approximately four-thousands lipid molecules can inhabit this contact zone. Thus, renewed efforts will be needed to explain how the zippering of as few as two SNARE complexes mobilizes these lipids to achieve membrane fusion. The second issue emerges from the finding that "docking filaments" are sandwiched within the area of vesicle-plasma membrane contact. It is challenging to reconcile the location of these filaments with SNARE models of exocytosis. Instead, this commentary outlines how these data are more compatible with a model in which a cluster of synaptotagmins catalyzes exocytotic membrane fusion.

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The data shown below were collected from the profiles of 3 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 36 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United Kingdom 1 3%
Unknown 35 97%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 11 31%
Student > Master 4 11%
Researcher 4 11%
Student > Bachelor 2 6%
Other 2 6%
Other 6 17%
Unknown 7 19%
Readers by discipline Count As %
Neuroscience 8 22%
Biochemistry, Genetics and Molecular Biology 7 19%
Agricultural and Biological Sciences 7 19%
Pharmacology, Toxicology and Pharmaceutical Science 2 6%
Medicine and Dentistry 2 6%
Other 1 3%
Unknown 9 25%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 27 February 2017.
All research outputs
#15,448,169
of 22,957,478 outputs
Outputs from Frontiers in Molecular Neuroscience
#1,857
of 2,898 outputs
Outputs of similar age
#197,722
of 311,192 outputs
Outputs of similar age from Frontiers in Molecular Neuroscience
#64
of 103 outputs
Altmetric has tracked 22,957,478 research outputs across all sources so far. This one is in the 22nd percentile – i.e., 22% of other outputs scored the same or lower than it.
So far Altmetric has tracked 2,898 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.7. This one is in the 28th percentile – i.e., 28% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 311,192 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 28th percentile – i.e., 28% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 103 others from the same source and published within six weeks on either side of this one. This one is in the 30th percentile – i.e., 30% of its contemporaries scored the same or lower than it.