Turbocharging synaptic transmission

JE Rothman, K Grushin, M Bera, F Pincet - FEBS letters, 2023 - Wiley Online Library
Evidence from biochemistry, genetics, and electron microscopy strongly supports the idea
that a ring of Synaptotagmin is central to the clamping and release of synaptic vesicles (SVs) …

Diacylglycerol-dependent hexamers of the SNARE-assembling chaperone Munc13-1 cooperatively bind vesicles

F Li, K Grushin, J Coleman, F Pincet… - Proceedings of the …, 2023 - National Acad Sciences
Munc13-1 is essential for vesicle docking and fusion at the active zone of synapses. Here,
we report that Munc13-1 self-assembles into molecular clusters within diacylglycerol-rich …

Lipid remodeling in acrosome exocytosis: unraveling key players in the human sperm

L Suhaiman, SA Belmonte - Frontiers in Cell and Developmental …, 2024 - frontiersin.org
It has long been thought that exocytosis was driven exclusively by well-studied fusion
proteins. Some decades ago, the role of lipids became evident and escalated interest in the …

Phosphorylation of Doc2 by EphB2 modulates Munc13-mediated SNARE complex assembly and neurotransmitter release

H Zhang, M Lei, Y Zhang, H Li, Z He, S Xie, L Zhu… - Science …, 2024 - science.org
At the synapse, presynaptic neurotransmitter release is tightly controlled by release
machinery, involving the soluble N-ethylmaleimide–sensitive factor attachment protein …

Minimal presynaptic protein machinery governing diverse kinetics of calcium-evoked neurotransmitter release

D Bose, M Bera, CA Norman, Y Timofeeva… - Nature …, 2024 - nature.com
Neurotransmitters are released from synaptic vesicles with remarkable precision in
response to presynaptic calcium influx but exhibit significant heterogeneity in exocytosis …

Two successive oligomeric Munc13 assemblies scaffold vesicle docking and SNARE assembly to support neurotransmitter release

M Bera, K Grushin, RVK Sundaram, Z Shahanoor… - bioRxiv, 2023 - biorxiv.org
The critical presynaptic protein Munc13 serves numerous roles in the process of docking
and priming synaptic vesicles. Here we investigate the functional significance of two distinct …

A tunable and druggable mechanism to delay forgetting of olfactory memories in C. elegans

D Landschaft-Berliner, K Goldstein, G Teichman… - BioRxiv, 2024 - biorxiv.org
The poet WB Yeats wrote that" All that is personal soon rots, it must be packed in ice or salt".
Here we show that in Caenorhabditis elegans nematodes, simple animals with just 302 …

[HTML][HTML] A minimal presynaptic protein machinery mediating synchronous and asynchronous exocytosis and short-term plasticity

D Bose, M Bera, CA Norman, Y Timofeeva, KE Volynski… - bioRxiv, 2024 - ncbi.nlm.nih.gov
Neurotransmitters are released from synaptic vesicles with remarkable precision in
response to presynaptic Ca 2+ influx but exhibit significant heterogeneity in exocytosis …

[HTML][HTML] Synaptotagmin 7 C2 domains induce membrane curvature stress via electrostatic interactions and the wedge mechanism

AH Beaven, V Bikkumalla, NL Chon, AE Matthews… - Biorxiv, 2024 - ncbi.nlm.nih.gov
Abstract Synaptotagmin 7 (Syt-7) is part of the synaptotagmin protein family that regulates
exocytotic lipid membrane fusion. Among the family, Syt-7 stands out by its membrane …

A minimal presynaptic protein machinery mediating synchronous and asynchronous exocytosis and short-term plasticity

S Krishnakumar, D Bose, M Bera, C Norman… - 2024 - researchsquare.com
Neurotransmitters are released from synaptic vesicles with remarkable precision in
response to presynaptic Ca 2+ influx but exhibit significant heterogeneity in exocytosis …