3,751 results found
    1. Neuroscience

    GABAergic synaptic scaling is triggered by changes in spiking activity rather than AMPA receptor activation

    Carlos Gonzalez-Islas, Zahraa Sabra ... Peter Wenner
    Chronic perturbations of spiking activity trigger compensatory changes in GABAergic synaptic strength, but not compensatory changes in AMPAergic synaptic strength.
    1. Structural Biology and Molecular Biophysics

    A calcium transport mechanism for atrial fibrillation in Tbx5-mutant mice

    Wenli Dai, Brigitte Laforest ... Christopher R Weber
    TBX5-loss associated cardiomyocyte ectopy and atrial fibrillation is prevented by augmentation of SERCA2 activity, establishing a mechanism underlying the genetic basis for a Ca2+-dependent pathway for AF risk.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Activation-triggered subunit exchange between CaMKII holoenzymes facilitates the spread of kinase activity

    Margaret Stratton, Il-Hyung Lee ... John Kuriyan
    Activation of CaMKII holoenzymes triggers the exchange of subunits with other holoenzymes, including unactivated ones, enabling the calcium-independent phosphorylation and activation of new subunits.
    1. Neuroscience

    Mapping cortical mesoscopic networks of single spiking cortical or sub-cortical neurons

    Dongsheng Xiao, Matthieu P Vanni ... Timothy H Murphy
    Mesoscale cortical calcium activity correlating with single cortical and thalamic cell spiking reveal rich dynamics and support a novel approach for investigating in vivo functional networks in the mammalian brain.
    1. Neuroscience

    Memory: Overwriting the past with supervised plasticity

    Xingyun Wang, Richard Naud
    Triggered activity bursts in place cells can increase and decrease the strength of some inputs.
    Version of Record
    Insight
    1. Plant Biology

    Single-molecule analysis reveals the phosphorylation of FLS2 governs its spatiotemporal dynamics and immunity

    Yaning Cui, Hongping Qian ... Jinxing Lin
    The phosphorylation of FLS2 may activate flg22-triggered immunity by facilitating the partitioning of FLS2 into functional AtRem1.3-associated nanodomains.
    Version of Record
    Short Report
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    • Solid
    1. Cell Biology
    2. Plant Biology

    SnRK1-triggered switch of bZIP63 dimerization mediates the low-energy response in plants

    Andrea Mair, Lorenzo Pedrotti ... Markus Teige
    The transcription factor bZIP63 is a key regulator of the starvation response in the model plant Arabidopsis thaliana and is directly targeted by the kinase SnRK1.
    1. Physics of Living Systems

    Increasing evidence of mechanical force as a functional regulator in smooth muscle myosin light chain kinase

    Fabian Baumann, Magnus Sebastian Bauer ... Hermann Eduard Gaub
    Atomic force microscopy based single-molecule force spectroscopy of smooth muscle myosin light chain kinase strongly indicates the existence of a mechanically triggerable activation pathway analogous to its well-established biochemical regulation pathway via calcium-loaded calmodulin.
    1. Computational and Systems Biology
    2. Neuroscience

    Fast and flexible sequence induction in spiking neural networks via rapid excitability changes

    Rich Pang, Adrienne L Fairhall
    Biologically plausible changes in the excitabilities of single neurons may suffice to selectively modulate sequential network dynamics, without modifying of recurrent connectivity.

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