194 results found
    1. Neuroscience

    Syntaxin-1A modulates vesicle fusion in mammalian neurons via juxtamembrane domain dependent palmitoylation of its transmembrane domain

    Gülçin Vardar, Andrea Salazar-Lázaro ... Christian Rosenmund
    A new insight into the role of syntaxin1's juxtamembrane region in controlling palmitoylation and spontaneous neurotransmitter release.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    Munc18-1 catalyzes neuronal SNARE assembly by templating SNARE association

    Junyi Jiao, Mengze He ... Yongli Zhang
    Sec1/Munc18-family proteins chaperone SNARE assembly via a common templating mechanism.
    1. Neuroscience

    CELF RNA binding proteins promote axon regeneration in C. elegans and mammals through alternative splicing of Syntaxins

    Lizhen Chen, Zhijie Liu ... Yishi Jin
    Genetics and genomics approaches reveal a conserved post-transcriptional regulatory mechanism that promotes adult axon regeneration from worm to mammals.
    1. Biochemistry and Chemical Biology

    Syntaxin-6 delays prion protein fibril formation and prolongs the presence of toxic aggregation intermediates

    Daljit Sangar, Elizabeth Hill ... Jan Bieschke
    A new native prion protein aggregation assay shows that syntaxin-6, a risk factor for sporadic Creutzfeldt–Jakob disease, delays prion protein fibril formation and prolongs the presence of toxic aggregation intermediates.
    1. Neuroscience

    Molecular mechanisms that stabilize short term synaptic plasticity during presynaptic homeostatic plasticity

    Jennifer M Ortega, Özgür Genç, Graeme W Davis
    Genetic and electrophysiological experiments define how homeostatic signaling stabilizes both the gain and short-term dynamic properties of neurotransmitter release, ensuring that synaptic information transfer remains robust to external perturbation.
    1. Structural Biology and Molecular Biophysics
    2. Neuroscience

    Autoinhibition of Munc18-1 modulates synaptobrevin binding and helps to enable Munc13-dependent regulation of membrane fusion

    Ewa Sitarska, Junjie Xu ... Josep Rizo
    Biophysical and functional data strongly support the notion that Munc18-1 acts as a template to assemble the neuronal SNARE complex, and that inhibition of this activity underlies diverse forms of regulation of neurotransmitter release.
    1. Structural Biology and Molecular Biophysics
    2. Immunology and Inflammation

    Fluorescence Lifetime Imaging Microscopy reveals rerouting of SNARE trafficking driving dendritic cell activation

    Daniëlle Rianne José Verboogen, Natalia González Mancha ... Geert van den Bogaart
    A novel microscopy-based assay shows that dendritic cells encountering pathogenic stimuli form increased complexes of specific SNARE proteins, driving release of large amounts of inflammatory cytokines.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    The mesoscale organization of syntaxin 1A and SNAP25 is determined by SNARE–SNARE interactions

    Jasmin Mertins, Jérôme Finke ... Thorsten Lang
    SNARE–SNARE interactions that have previously only been proposed to participate in membrane fusion on the nanoscale also serve to organize SNARE domains on the mesoscale.
    1. Neuroscience

    v-SNARE transmembrane domains function as catalysts for vesicle fusion

    Madhurima Dhara, Antonio Yarzagaray ... Dieter Bruns
    Structural flexibility of the synaptobrevin-2 transmembrane domain promotes membrane fusion.
    1. Neuroscience

    Reexamination of N-terminal domains of syntaxin-1 in vesicle fusion from central murine synapses

    Gülçin Vardar, Andrea Salazar-Lázaro ... Christian Rosenmund
    A mutant rescue approach in STX1-null autaptic neurons provides definitive answers and opens up new questions into a controversial matter of syntaxin-1's binding to Munc18-1 through its N-peptide and its function in neurotransmission.

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