5,587 results found
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Permeant fluorescent probes visualize the activation of SARM1 and uncover an anti-neurodegenerative drug candidate

    Wan Hua Li, Ke Huang ... Yong Juan Zhao
    The first-in-class cell-permeant fluorescent probe provides direct and visual evidence of SARM1 activation in axonal degeneration and identified the first covalent, allosteric inhibitor of SARM1 acting on the NAD-binding pocket in the ARM domain.
    1. Cell Biology

    Simultaneous recording of multiple cellular signaling events by frequency- and spectrally-tuned multiplexing of fluorescent probes

    Michelina Kierzek, Parker E Deal ... Christoph Brenker
    FASTM is a novel technique that leverages phase-sensitive signal detection for time-resolved multiplexing of probes with millisecond time resolution, opening new opportunities for interrogating rapid cellular signaling and (bio)chemical reactions.
    1. Structural Biology and Molecular Biophysics
    2. Neuroscience

    Super-resolution imaging of synaptic and Extra-synaptic AMPA receptors with different-sized fluorescent probes

    Sang Hak Lee, Chaoyi Jin ... Paul R Selvin
    Small probes show that most AMPA receptors are constrained near or in the synapses.
    1. Cell Biology
    2. Plant Biology

    Fluorescent sensors reporting the activity of ammonium transceptors in live cells

    Roberto De Michele, Cindy Ast ... Wolf B Frommer
    A modified form of Green Fluorescent Protein integrated into an ammonium transporter provides a sensor that can be used to monitor transport activity in vivo.
    1. Neuroscience

    Sensitive red protein calcium indicators for imaging neural activity

    Hod Dana, Boaz Mohar ... Douglas S Kim
    Protein engineering and large-scale screening has led to the development of sensitive red fluorescent indicators that detect neural activity with high sensitivity in various animal models.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Hepatitis B virus core protein allosteric modulators can distort and disrupt intact capsids

    Christopher John Schlicksup, Joseph Che-Yen Wang ... Adam Zlotnick
    Small molecule antivirals that drive assembly of HBV capsid protein can also bind to pre-assembled capsids causing them to change morphology or even break, suggesting a complex transduction of binding effects across the capsid.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Exploring structural dynamics of a membrane protein by combining bioorthogonal chemistry and cysteine mutagenesis

    Kanchan Gupta, Gilman ES Toombes, Kenton J Swartz
    A facile method is implemented to modify membrane proteins with biophysical reporters using cysteine-independent approaches in live cells.
    1. Neuroscience

    Probing the segregation of evoked and spontaneous neurotransmission via photobleaching and recovery of a fluorescent glutamate sensor

    Camille S Wang, Natali L Chanaday ... Ege T Kavalali
    Photobleaching and recovery of a fluorescent glutamate sensor enable demonstration of the distinct spatial architectures of spontaneous versus evoked forms of glutamatergic neurotransmission within single synapses.
    1. Structural Biology and Molecular Biophysics

    rsEGFP2 enables fast RESOLFT nanoscopy of living cells

    Tim Grotjohann, Ilaria Testa ... Stefan Jakobs
    The discovery of a fluorescent protein that can be rapidly switched between long-lived ‘on’ and ‘off’ states will lead to a new generation of super-resolution imaging experiments on living cells.

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