141 results found
    1. Neuroscience

    Diverse modes of synaptic signaling, regulation, and plasticity distinguish two classes of C. elegans glutamatergic neurons

    Donovan Ventimiglia, Cornelia I Bargmann
    Single-neuron synaptic imaging in vivo demonstrates that highly conserved molecules such as UNC-13, UNC-18, and protein kinase C, which are found at essentially every synapse make different functional contributions in Caenorhabditis elegans glutamatergic neurons.
    1. Neuroscience

    Rho GTPase signaling and mDia facilitate endocytosis via presynaptic actin

    Kristine Oevel, Svea Hohensee ... Volker Haucke
    Genetic and pharmacological tools are used to dissect the mechanisms by which the presynaptic actin cytoskeleton facilitates membrane internalization at synapses and, thereby, neurotransmission.
    1. Neuroscience

    Optical detection of three modes of endocytosis at hippocampal synapses

    Natali L Chanaday, Ege T Kavalali
    Single synaptic vesicle imaging shows that kinetically distinct endocytic pathways are differentially regulated by calcium and temperature, and influence the fidelity of synaptic vesicle protein retrieval.
    1. Cell Biology
    2. Neuroscience

    TRPM7 is critical for short-term synaptic depression by regulating synaptic vesicle endocytosis

    Zhong-Jiao Jiang, Wenping Li ... Liang-Wei Gong
    Electrophysiological and live-cell imaging analyses identify a presynaptic function of Ca2+ influx via transient receptor potential melastatin 7 (TRPM7) channels.
    1. Neuroscience

    Clathrin-independent endocytic retrieval of SV proteins mediated by the clathrin adaptor AP-2 at mammalian central synapses

    Tania López-Hernández, Koh-ichiro Takenaka ... Shigeo Takamori
    At mammalian synapses the clathrin adaptor AP-2 plays a crucial role in the endocytic retrieval of a subset of synaptic vesicle proteins from the presynaptic cell surface, while clathrin is dispensable.
    1. Neuroscience

    Nanoscale dynamics of synaptic vesicle trafficking and fusion at the presynaptic active zone

    Thirumalini Vaithianathan, Diane Henry ... Gary Matthews
    A combination of tethered diffusion of release-ready synaptic vesicles and vesicle-vesicle fusion supports neurotransmitter release at the presynaptic active zone of sensory synapses.
    1. Cell Biology

    ANTH domains within CALM, HIP1R, and Sla2 recognize ubiquitin internalization signals

    Natalya Pashkova, Lokesh Gakhar ... Robert C Piper
    The family of ANTH domain proteins serve as adaptors to endocytose ubiquitinated proteins from the cell surface.
    1. Cell Biology
    2. Ecology

    Monitoring single-cell dynamics of entry into quiescence during an unperturbed life cycle

    Basile Jacquel, Théo Aspert ... Gilles Charvin
    A switch-like cell fate divergence revealed by continuous single-cell tracking during entry into quiescence.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Timing of ESCRT-III protein recruitment and membrane scission during HIV-1 assembly

    Daniel S Johnson, Marina Bleck, Sanford M Simon
    During viral assembly, ESCRTIII and VPS4 are recruited after most of the HIV-1 membrane is bent but disappear prior to scission of the virion from the cell.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    A physicochemical perspective of aging from single-cell analysis of pH, macromolecular and organellar crowding in yeast

    Sara N Mouton, David J Thaller ... Liesbeth M Veenhoff
    In mitotically aging yeast cells, the cytosol acidifies, the distances between the organellar membranes decrease dramatically, but crowding on the scale of the average size protein is relatively stable.

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