Results 51 to 60 of about 72,246 (300)

A Stimulation Function of Synaptotagmin-1 in Ternary SNARE Complex Formation Dependent on Munc18 and Munc13

open access: yesFrontiers in Molecular Neuroscience, 2017
The Ca2+ sensor synaptotagmin-1 (Syt1) plays an essential function in synaptic exocytosis. Recently, Syt1 has been implicated in synaptic vesicle priming, a maturation step prior to Ca2+-triggered membrane fusion that is believed to involve formation of ...
Yun Li   +5 more
doaj   +1 more source

Lamellipodium extension and membrane ruffling require different SNARE-mediated trafficking pathways [PDF]

open access: yes, 2010
Background Intracellular membrane traffic is an essential component of the membrane remodeling that supports lamellipodium extension during cell adhesion.
Michael Skalski   +6 more
core   +1 more source

A Dynamic t-SNARE Complex [PDF]

open access: yesStructure, 2008
Syntaxin-1/SNAP-25 heterodimers with 1:1 stoichiometry likely play a key role in neurotransmitter release but they have been difficult to characterize. In this issue of Structure, Weninger et al. present a beautiful single molecule spectroscopy study showing the dynamic nature of these heterodimers and how they are influenced by other factors.
openaire   +1 more source

Three-dimensional structure of the complexin/snare complex [PDF]

open access: yesActa Crystallographica Section A Foundations of Crystallography, 2002
During neurotransmitter release, the neuronal SNARE proteins synaptobrevin/VAMP, syntaxin, and SNAP-25 form a four-helix bundle, the SNARE complex, that pulls the synaptic vesicle and plasma membranes together possibly causing membrane fusion. Complexin binds tightly to the SNARE complex and is essential for efficient Ca(2+)-evoked neurotransmitter ...
Chen, Xiaocheng   +6 more
openaire   +3 more sources

Complexin induces a conformational change at the membrane-proximal C-terminal end of the SNARE complex

open access: yeseLife, 2016
Complexin regulates spontaneous and activates Ca2+-triggered neurotransmitter release, yet the molecular mechanisms are still unclear. Here we performed single molecule fluorescence resonance energy transfer experiments and uncovered two conformations of
Ucheor B Choi   +4 more
doaj   +1 more source

Multiple factors maintain assembled trans-SNARE complexes in the presence of NSF and αSNAP

open access: yeseLife, 2019
Neurotransmitter release requires formation of trans-SNARE complexes between the synaptic vesicle and plasma membranes, which likely underlies synaptic vesicle priming to a release-ready state.
Eric A Prinslow   +4 more
doaj   +1 more source

SNARE VTI13 plays a unique role in endosomal trafficking pathways associated with the vacuole and is essential for cell wall organization and root hair growth in arabidopsis [PDF]

open access: yes, 2014
Background and Aims: Root hairs are responsible for water and nutrient uptake from the soil and their growth is responsive to biotic and abiotic changes in their environment.
Domozych, David S.   +2 more
core   +1 more source

N-terminal domain of vacuolar SNARE Vam7p promotes trans -SNARE complex assembly [PDF]

open access: yesProceedings of the National Academy of Sciences, 2012
SNARE-dependent membrane fusion in eukaryotic cells requires that the heptad-repeat SNARE domains from R- and Q-SNAREs, anchored to apposed membranes, assemble into four-helix coiled-coil bundles. In addition to their SNARE and transmembrane domains, most SNAREs have N-terminal domains (N-domains), although their functions are unclear. The
Hao, Xu, William T, Wickner
openaire   +2 more sources

Syntaxin 16 and syntaxin 5 are required for efficient retrograde transport of several exogenous and endogenous cargo proteins [PDF]

open access: yes, 2007
Retrograde transport allows proteins and lipids to leave the endocytic pathway to reach other intracellular compartments, such as trans-Golgi network (TGN)/Golgi membranes, the endoplasmic reticulum and, in some instances, the cytosol. Here, we have used
Amessou, Mohamed   +7 more
core   +1 more source

Neurotransmitter release — four years of SNARE complexes

open access: yesCurrent Opinion in Neurobiology, 1997
Exocytosis in neurons requires proteins known as SNAREs, membrane proteins that have now been implicated in many intracellular fusion events. SNAREs assemble into stable ternary complexes that are dissociated by the ATPase NSF (N-ethylmaleimide-sensitive factor), working together with SNAPs (soluble NSF attachment proteins).
P I, Hanson, J E, Heuser, R, Jahn
openaire   +2 more sources

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