1,549 results found
    1. Cell Biology
    2. Neuroscience

    Intact synapse structure and function after combined knockout of PTPδ, PTPσ, and LAR

    Javier Emperador-Melero, Giovanni de Nola, Pascal S Kaeser
    Leukocyte common antigen-related receptor protein tyrosine phosphatases (LAR-RPTPs) are precisely localized to synaptic appositions, but do not control the assembly and function of the presynaptic nerve terminal.
    1. Neuroscience

    A dual role for Cav1.4 Ca2+ channels in the molecular and structural organization of the rod photoreceptor synapse

    J Wesley Maddox, Kate L Randall ... Amy Lee
    Ca2+ influx through Cav1.4 channels is required for the structural, but not the molecular organization of the rod photoreceptor synapse.
    1. Cell Biology
    2. Immunology and Inflammation

    Distinct structural and catalytic roles for Zap70 in formation of the immunological synapse in CTL

    Misty R Jenkins, Jane C Stinchcombe ... Gillian M Griffiths
    Inhibition of the catalytic activity of the Zap70 kinase reveals that discrete TCR-regulated events control the remodelling of the actin cytoskeleton when the cytotoxic T cell interacts with its target.
    1. Neuroscience

    The cellular architecture of memory modules in Drosophila supports stochastic input integration

    Omar A Hafez, Benjamin Escribano ... Jan Pielage
    Computational modeling of a central decision neuron of Drosophila reveals an electrotonically compact architecture that is ideally suited to support efficient memory storage within a stochastically connected memory circuit.
    1. Neuroscience

    Structure and function of axo-axonic inhibition

    Casey M Schneider-Mizell, Agnes L Bodor ... Nuno Maçarico da Costa
    Electron microcopy-based connectomics, in vivo functional imaging, and biophysical modeling reveal that mouse visual cortex chandelier cells, a type of GABAergic interneuron, are driven by arousal and distribute their synapses according to the individual properties of target cells.
    1. Neuroscience

    The components of an electrical synapse as revealed by expansion microscopy of a single synaptic contact

    Sandra P Cárdenas-García, Sundas Ijaz, Alberto E Pereda
    Anatomical study reveals a new perspective on the definition of an electrical synapse where, in addition to the communicating role of gap junctions, additional cellular structures might be involved in the support and regulation of these intercellular channels.
    1. Neuroscience

    LKB1 coordinates neurite remodeling to drive synapse layer emergence in the outer retina

    Courtney A Burger, Jonathan Alevy ... Melanie A Samuel
    LKB1 instructs the timing and location of synapse layer emergence in the outer retina by coordinating the regulation of pre- and postsynaptic neuron maturation and transport of synapse-associated proteins.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    Molecular basis of synaptic specificity by immunoglobulin superfamily receptors in Drosophila

    Shouqiang Cheng, James Ashley ... Engin Özkan
    Fly protein families Dprs and DIPs can create a multitude of complementary interfaces for homo- and heterophilic adhesion complexes, resulting in instructive roles for connectivity in the motor neuron circuitry.
    1. Neuroscience

    Wiring variations that enable and constrain neural computation in a sensory microcircuit

    William F Tobin, Rachel I Wilson, Wei-Chung Allen Lee
    Systematic and coordinated variations in morphology and connectivity can structurally tune a microcircuit's computation but non-systematic variably also exists, imparting "connection noise" that potentially limits processing performance.
    1. Neuroscience

    Neurexin directs partner-specific synaptic connectivity in C. elegans

    Alison Philbrook, Shankar Ramachandran ... Michael M Francis
    Investigation of synapse development using a single neuron system illuminates how individual neurons specify connectivity with their postsynaptic partners and the central role of the synaptic organizer neurexin in this process.

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