ArticlePLoS biology2006
Tomosyn inhibits synaptic vesicle priming in Caenorhabditis elegans.
Article in PLoS biology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 102 papers.
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Who cites it
102 citing papers in PubMed, 160 citations in OpenAlex.
- The nanoscale mobility of calcium channels is driven by readily releasable synaptic vesicles to support precise neurotransmission in livebioRxiv : the preprint server for biology · 2026Article
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- Neuropeptidergic regulation of neuromuscular signaling in larval zebrafish alters swimming behavior and synaptic transmission.iScience · 2024Article
- Presynaptic neurons self-tune by inversely coupling neurotransmitter release with the abundance of CaV2 voltage-gated CaProceedings of the National Academy of Sciences of the United States of America · 2024Article
- Tomosyns attenuate SNARE assembly and synaptic depression by binding to VAMP2-containing template complexes.Nature communications · 2024Article
- CaMKII mediates sexually dimorphic synaptic transmission at neuromuscular junctions in C. elegans.The Journal of cell biology · 2023Article
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- TOM-1/tomosyn acts with the UNC-6/netrin receptor UNC-5 to inhibit growth cone protrusion in Caenorhabditis elegans.Development (Cambridge, England) · 2023Article
- Mapping localization of 21 endogenous proteins in the Golgi apparatus of rodent neurons.Scientific reports · 2023Article
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- Patient-specific variants of NFU1/NFU-1 disrupt cholinergic signaling in a model of multiple mitochondrial dysfunctions syndrome 1.Disease models & mechanisms · 2023Article
- Functional regulation of syntaxin-1: An underlying mechanism mediating exocytosis in neuroendocrine cells.Frontiers in endocrinology · 2023Review
- Regulation of Ryanodine Receptor-Dependent Neurotransmitter Release by AIP, Calstabins, and Presenilins.Advances in neurobiology · 2023Article
- The Role of Tomosyn in the Regulation of Neurotransmitter Release.Advances in neurobiology · 2023Article
- SNARE Proteins in Synaptic Vesicle Fusion.Advances in neurobiology · 2023Article
- Neuronal SNARE complex assembly guided by Munc18-1 and Munc13-1.FEBS open bio · 2022Review
- cAMP-Dependent Synaptic Plasticity at the Hippocampal Mossy Fiber Terminal.Frontiers in synaptic neuroscience · 2022Review
- Article
- Synapsin Is Required for Dense Core Vesicle Capture and cAMP-Dependent Neuropeptide Release.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2021Article
- SNARE Regulatory Proteins in Synaptic Vesicle Fusion and Recycling.Frontiers in molecular neuroscience · 2021Review
42 more citing papers are in PubMed but not listed here.
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Authors and funding
9 authors at 4 institutions in 1 country.
Funding
Abstract
Caenorhabditis elegans TOM-1 is orthologous to vertebrate tomosyn, a cytosolic syntaxin-binding protein implicated in the modulation of both constitutive and regulated exocytosis. To investigate how TOM-1 regulates exocytosis of synaptic vesicles in vivo, we analyzed C. elegans tom-1 mutants. Our electrophysiological analysis indicates that evoked postsynaptic responses at tom-1 mutant synapses are prolonged leading to a two-fold increase in total charge transfer. The enhanced response in tom-1 mutants is not associated with any detectable changes in postsynaptic response kinetics, neuronal outgrowth, or synaptogenesis. However, at the ultrastructural level, we observe a concomitant increase in the number of plasma membrane-contacting vesicles in tom-1 mutant synapses, a phenotype reversed by neuronal expression of TOM-1. Priming defective unc-13 mutants show a dramatic reduction in plasma membrane-contacting vesicles, suggesting these vesicles largely represent the primed vesicle pool at the C. elegans neuromuscular junction. Consistent with this conclusion, hyperosmotic responses in tom-1 mutants are enhanced, indicating the primed vesicle pool is enhanced. Furthermore, the synaptic defects of unc-13 mutants are partially suppressed in tom-1 unc-13 double mutants. These data indicate that in the intact nervous system, TOM-1 negatively regulates synaptic vesicle priming.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.