Molecular mechanisms underlying neurotransmitter release

J Rizo - Annual Review of Biophysics, 2022 - annualreviews.org
Major recent advances and previous data have led to a plausible model of how key proteins
mediate neurotransmitter release. In this model, the soluble N-ethylmaleimide-sensitive …

Chaperoning SNARE folding and assembly

Y Zhang, FM Hughson - Annual review of biochemistry, 2021 - annualreviews.org
SNARE proteins and Sec1/Munc18 (SM) proteins constitute the core molecular engine that
drives nearly all intracellular membrane fusion and exocytosis. While SNAREs are known to …

Inhibition of calcium-triggered secretion by hydrocarbon-stapled peptides

Y Lai, G Fois, JR Flores, MJ Tuvim, Q Zhou, K Yang… - Nature, 2022 - nature.com
Membrane fusion triggered by Ca2+ is orchestrated by a conserved set of proteins to
mediate synaptic neurotransmitter release, mucin secretion and other regulated exocytic …

SNARE assembly enlightened by cryo-EM structures of a synaptobrevin–Munc18-1–syntaxin-1 complex

KP Stepien, J Xu, X Zhang, XC Bai, J Rizo - Science advances, 2022 - science.org
Munc18-1 forms a template to organize assembly of the neuronal SNARE complex that
triggers neurotransmitter release, binding first to a closed conformation of syntaxin-1 where …

Synaptophysin chaperones the assembly of 12 SNAREpins under each ready-release vesicle

M Bera, A Radhakrishnan, J Coleman… - Proceedings of the …, 2023 - National Acad Sciences
The synaptic vesicle protein Synaptophysin (Syp) has long been known to form a complex
with the Vesicle associated soluble N-ethylmaleimide sensitive fusion protein attachment …

RIM and RIM-BP form presynaptic active-zone-like condensates via phase separation

X Wu, Q Cai, Z Shen, X Chen, M Zeng, S Du, M Zhang - Molecular cell, 2019 - cell.com
Both the timing and kinetics of neurotransmitter release depend on the positioning of
clustered Ca 2+ channels in active zones to docked synaptic vesicles on presynaptic plasma …

Molecular mechanisms of synaptic vesicle priming by Munc13 and Munc18

Y Lai, UB Choi, J Leitz, HJ Rhee, C Lee, B Altas… - Neuron, 2017 - cell.com
Munc13 catalyzes the transit of syntaxin from a closed complex with Munc18 into the ternary
SNARE complex. Here we report a new function of Munc13, independent of Munc18: it …

Mechanism of neurotransmitter release coming into focus

J Rizo - Protein Science, 2018 - Wiley Online Library
Research for three decades and major recent advances have provided crucial insights into
how neurotransmitters are released by Ca2+‐triggered synaptic vesicle exocytosis, leading …

All-atom molecular dynamics simulations of Synaptotagmin-SNARE-complexin complexes bridging a vesicle and a flat lipid bilayer

J Rizo, L Sari, Y Qi, W Im, MM Lin - Elife, 2022 - elifesciences.org
Synaptic vesicles are primed into a state that is ready for fast neurotransmitter release upon
Ca 2+-binding to Synaptotagmin-1. This state likely includes trans-SNARE complexes …

The readily releasable pool of synaptic vesicles

PS Kaeser, WG Regehr - Current opinion in neurobiology, 2017 - Elsevier
Highlights•Methods to measure RRP are reviewed and their assumptions and limitations
discussed.•Action potential trains can be used to measure the physiologically relevant …