362 results found
    1. Neuroscience

    Fast two-photon imaging of subcellular voltage dynamics in neuronal tissue with genetically encoded indicators

    Simon Chamberland, Helen H Yang ... François St-Pierre
    The combination of a new genetically encoded voltage indicator and fast two-photon imaging methods enables detection of rapid neural electrical activity in organotypic slice cultures and in living flies.
    1. Structural Biology and Molecular Biophysics
    2. Neuroscience

    Single-molecule fluorimetry and gating currents inspire an improved optical voltage indicator

    Jeremy S Treger, Michael F Priest, Francisco Bezanilla
    ArcLight, a popular optogenetic reporter of voltage, is studied at both single-molecule and macroscopic levels, which leads to new mechanistic understanding and to the rational design of a faster reporter.
    1. Neuroscience

    Calcium imaging with genetically encoded indicators in behaving primates

    Eyal Seidemann, Yuzhi Chen ... Boris V Zemelman
    The link between the activity of large populations of cortical neurons and single neuron responses is examined in primates using a new optical-genetic method.
    1. Biochemistry and Chemical Biology
    2. Physics of Living Systems

    Optical estimation of absolute membrane potential using fluorescence lifetime imaging

    Julia R Lazzari-Dean, Anneliese MM Gest, Evan W Miller
    Fluorescence lifetime imaging microscopy, paired with fluorescent, voltage-sensitive dyes, provides a method for measuring and quantifying membrane potentials of living cells.
    1. Neuroscience

    Aberrant hippocampal Ca2+ microwaves following synapsin-dependent adeno-associated viral expression of Ca2+ indicators

    Nicola Masala, Manuel Mittag ... Tony Kelly
    Common adeno-associated viral transduction procedures induce artefactual spatially confined Ca2+ waves in the hippocampus.
    1. Structural Biology and Molecular Biophysics

    TMEM266 is a functional voltage sensor regulated by extracellular Zn2+

    Ferenc Papp, Suvendu Lomash ... Kenton Jon Swartz
    Transmembrane protein 266 contains a functional S1-S4 voltage-sensing domain that is regulated by extracellular Zn2+ ions.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Near-infrared photoactivatable control of Ca2+ signaling and optogenetic immunomodulation

    Lian He, Yuanwei Zhang ... Yubin Zhou
    A near-infrared light-stimulable optogenetic platform enables remote and wireless manipulation of calcium signaling and immune responses both in vitro and in vivo to achieve tailored function.
    1. Neuroscience

    Drosophila TRPγ is required in neuroendocrine cells for post-ingestive food selection

    Subash Dhakal, Qiuting Ren ... Youngseok Lee
    Genetic, behavioral, and biochemical evidence reveals that the Drosophila TRPγ channel is required in neuroendocrine cells for the starvation-induced switch in preference to less palatable but more nutritive food.
    1. Neuroscience

    Associative learning drives longitudinally graded presynaptic plasticity of neurotransmitter release along axonal compartments

    Aaron Stahl, Nathaniel C Noyes ... Seth M Tomchik
    Experience alters neurotransmitter release from different axonal compartments in different ways, allowing a set of neurons to coherently modulate behavior through diverse actions on multiple downstream circuits.
    1. Neuroscience

    Clustered functional domains for curves and corners in cortical area V4

    Rundong Jiang, Ian Max Andolina ... Shiming Tang
    Curves and corners are separately encoded by neurons clustered into functional domains in macaque V4.

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