764 results found
    1. Structural Biology and Molecular Biophysics

    Importin-9 wraps around the H2A-H2B core to act as nuclear importer and histone chaperone

    Abhilash Padavannil, Prithwijit Sarkar ... Yuh Min Chook
    In an unusual complex that is not dissociated by RanGTP alone, Importin-9 sequesters the H2A-H2B core from promiscuous interactions.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Structural and kinetic analysis of the COP9-Signalosome activation and the cullin-RING ubiquitin ligase deneddylation cycle

    Ruzbeh Mosadeghi, Kurt M Reichermeier ... Radoslav I Enchev
    The general principles that underlie the mechanism of action of the COP9-Signalosome, a key regulator of the largest family of ubiquitin ligase enzymes in human cells, have been identified using structural and kinetic techniques.
    1. Neuroscience

    A neural network model of differentiation and integration of competing memories

    Victoria JH Ritvo, Alex Nguyen ... Kenneth A Norman
    A computational neural network model leverages a simple unsupervised learning principle to account for recent findings on when memories move apart (differentiate) or together (integrate) in the brain.
    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. Cell Biology
    2. Neuroscience

    Cell-type-specific regulation of neuronal intrinsic excitability by macroautophagy

    Ori J Lieberman, Micah D Frier ... David Sulzer
    In addition to its classic role in synaptic function and plasticity, macroautophagy regulates neuronal intrinsic excitability via degradation of acetylated Kir2 channels to control neurotransmission.
    1. Neuroscience

    A translational MRI approach to validate acute axonal damage detection as an early event in multiple sclerosis

    Antonio Cerdán Cerdá, Nicola Toschi ... Silvia De Santis
    MRI is sensitive to the increase in axonal caliber due to pathology and was used to detect widespread increase in the average axonal caliber in multiple sclerosis brains with short disease duration only.
    1. Genetics and Genomics
    2. Neuroscience

    The structure of behavioral variation within a genotype

    Zachary Werkhoven, Alyssa Bravin ... Benjamin L de Bivort
    Multidimensional analysis of data from high-throughput behavioral assays reveals many independent axes of behavioral variation among inbred animals reared in the same environment.
    1. Neuroscience

    Superior colliculus drives stimulus-evoked directionally biased saccades and attempted head movements in head-fixed mice

    Sebastian H Zahler, David E Taylor ... Evan H Feinberg
    Mouse gaze shifts are unexpectedly flexible.
    1. Neuroscience

    Interacting rhythms enhance sensitivity of target detection in a fronto-parietal computational model of visual attention

    Amélie Aussel, Ian C Fiebelkorn ... Benjamin Rafael Pittman-Polletta
    A biophysical cortical circuit model reveals how thalamic inputs mediate complex dynamics in the frontal eye fields and lateral intraparietal area, enabling rhythmic enhancements in visual sensitivity observed behaviorally.
    1. Neuroscience

    Competition between parallel sensorimotor learning systems

    Scott T Albert, Jihoon Jang ... Reza Shadmehr
    When a common error drives parallel implicit and explicit learning systems, increases in the explicit response will suppress implicit adaptation.

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