94 results found
    1. Neuroscience

    Position of UNC-13 in the active zone regulates synaptic vesicle release probability and release kinetics

    Keming Zhou et al.
    The precise position of UNC-13 at the active zone near a synapse depends on the N-terminus of the protein, and the C2A domain in particular, and is essential for accelerating neurotransmitter release.
    1. Neuroscience

    Release-dependent feedback inhibition by a presynaptically localized ligand-gated anion channel

    Seika Takayanagi-Kiya et al.
    An anion-selective ligand gated channel acts as a presynaptic auto-receptor to modulate vesicle release and neuronal excitation.
    1. Cell Biology

    The fibronectin synergy site re-enforces cell adhesion and mediates a crosstalk between integrin classes

    Maria Benito-Jardón et al.
    The fibronectin synergy site is only required in vivo when forces exceed or αvβ3 integrin levels fall below certain thresholds.
    1. Neuroscience

    Frequency-dependent mobilization of heterogeneous pools of synaptic vesicles shapes presynaptic plasticity

    Frédéric Doussau et al.
    The mobilization or silencing of two heterogeneous pools of synaptic vesicles via different frequencies probably enables granule cell to Purkinje cell synapses to better discriminate between the high-rate code of sensory information and background noise.
    1. Cell Biology
    2. Neuroscience

    Restraint of presynaptic protein levels by Wnd/DLK signaling mediates synaptic defects associated with the kinesin-3 motor Unc-104

    Jiaxing Li et al.
    Synaptic defects previously attributed to loss of kinesin function are found to be mediated by the Wnd/DLK axonal injury signaling pathway, which restrains the total levels of presynaptic proteins in response to their accumulation.
    1. Structural Biology and Molecular Biophysics
    2. Neuroscience

    A novel region in the CaV2.1 α1 subunit C-terminus regulates fast synaptic vesicle fusion and vesicle docking at the mammalian presynaptic active zone

    Matthias Lübbert et al.
    A novel region in the CaV2.1 α1 subunit regulates coupling of synaptic vesicles to CaV2.1 calcium channels, synaptic vesicle release and docking, and the size of the fast and total releasable pools of synaptic vesicles.
    1. Cell Biology
    2. Neuroscience

    Presynaptic morphology and vesicular composition determine vesicle dynamics in mouse central synapses

    Laurent Guillaud et al.
    In central synapses, the mobility and supply of synaptic vesicles are determined by two independent biological factors: the morphological and structural organization of nerve terminals and the molecular signature of vesicles.
    1. Neuroscience

    Perceptual decisions are biased by the cost to act

    Nobuhiro Hagura et al.
    When choosing between stimuli, the effort required to act on the resulting decision influences the processing of the stimuli themselves.
    1. Neuroscience

    A genetically defined asymmetry underlies the inhibitory control of flexor–extensor locomotor movements

    Olivier Britz et al.
    Two classes of premotor inhibitory neurons have specific roles in controlling flexor-extensor behaviors in mice, which is the underlying neural mechanism for limb driven movements in terrestrial vertebrates.
    1. Neuroscience

    Additive effects on the energy barrier for synaptic vesicle fusion cause supralinear effects on the vesicle fusion rate

    Sebastiaan Schotten et al.
    Independent osmotic, genetic and biochemical perturbations modulate neurotransmitter release in a multiplicative manner.

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