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 …

Advanced imaging and labelling methods to decipher brain cell organization and function

D Choquet, M Sainlos, JB Sibarita - Nature Reviews Neuroscience, 2021 - nature.com
The brain is arguably the most complex organ. The branched and extended morphology of
nerve cells, their subcellular complexity, the multiplicity of brain cell types as well as their …

Distinct active zone protein machineries mediate Ca2+ channel clustering and vesicle priming at hippocampal synapses

J Emperador-Melero, JW Andersen… - Nature …, 2024 - nature.com
Action potentials trigger neurotransmitter release at the presynaptic active zone with
spatiotemporal precision. This is supported by protein machinery that mediates synaptic …

Super-resolving microscopy in neuroscience

C Werner, M Sauer, C Geis - Chemical Reviews, 2021 - ACS Publications
Fluorescence imaging techniques play a pivotal role in our understanding of the nervous
system. The emergence of various super-resolution microscopy methods and specialized …

Interactive nanocluster compaction of the ELKS scaffold and Cacophony Ca2+ channels drives sustained active zone potentiation

T Ghelani, M Escher, U Thomas, K Esch… - Science …, 2023 - science.org
At presynaptic active zones (AZs), conserved scaffold protein architectures control synaptic
vesicle (SV) release by defining the nanoscale distribution and density of voltage-gated …

PKC-phosphorylation of Liprin-α3 triggers phase separation and controls presynaptic active zone structure

J Emperador-Melero, MY Wong, SSH Wang… - Nature …, 2021 - nature.com
The active zone of a presynaptic nerve terminal defines sites for neurotransmitter release. Its
protein machinery may be organized through liquid–liquid phase separation, a mechanism …

A sequential two-step priming scheme reproduces diversity in synaptic strength and short-term plasticity

KH Lin, H Taschenberger, E Neher - … of the National Academy of Sciences, 2022 - pnas.org
Glutamatergic synapses display variable strength and diverse short-term plasticity (STP),
even for a given type of connection. Using nonnegative tensor factorization and …

Assembly of the presynaptic active zone

J Emperador-Melero, PS Kaeser - Current opinion in neurobiology, 2020 - Elsevier
Highlights• We are only beginning to understand the mechanisms of active zone assembly.•
Trafficking, protein complex assembly, and membrane anchoring mechanisms are needed.• …

Munc13 structural transitions and oligomers that may choreograph successive stages in vesicle priming for neurotransmitter release

K Grushin, RV Kalyana Sundaram, CV Sindelar… - Proceedings of the …, 2022 - pnas.org
How can exactly six SNARE complexes be assembled under each synaptic vesicle? Here
we report cryo-EM crystal structures of the core domain of Munc13, the key chaperone that …

Rapid active zone remodeling consolidates presynaptic potentiation

MA Böhme, AW McCarthy, AT Grasskamp… - Nature …, 2019 - nature.com
Neuronal communication across synapses relies on neurotransmitter release from
presynaptic active zones (AZs) followed by postsynaptic transmitter detection. Synaptic …