7,973 results found
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structural basis of nucleic-acid recognition and double-strand unwinding by the essential neuronal protein Pur-alpha

    Janine Weber, Han Bao ... Dierk Niessing
    The crystal structure of Pur-alpha in complex with DNA reveals its molecular mechanisms of nucleic-acid binding and unwinding, allowing for a better understanding of its essential role in neurons.
    1. Genetics and Genomics
    2. Neuroscience

    Investigation of Drosophila fruitless neurons that express Dpr/DIP cell adhesion molecules

    Savannah G Brovero, Julia C Fortier ... Michelle N Arbeitman
    Analyses of fru P1 neurons that express dpr/DIP genes reveal roles for subsets of neurons in courtship, and the roles of Dpr/DIPs and the sex hierarchy in neuroanatomical sexual dimorphism.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    CpG and UpA dinucleotides in both coding and non-coding regions of echovirus 7 inhibit replication initiation post-entry

    Jelke Jan Fros, Isabelle Dietrich ... Peter Simmonds
    RNA virus replication is attenuated by an intrinsic restriction mechanism after introducing CpG/UpA dinucleotides into both non-translated and coding regions of viral genomes, which may be exploited in the design of attenuated virus vaccines.
    1. Microbiology and Infectious Disease

    HIV-1 Vpr induces cell cycle arrest and enhances viral gene expression by depleting CCDC137

    Fengwen Zhang, Paul D Bieniasz
    A key target of the HIV-1 Vpr accessory protein is identified, whose depletion causes increased HIV-1gene expression and cell cycle arrest.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    Mannose receptor is an HIV restriction factor counteracted by Vpr in macrophages

    Jay Lubow, Maria C Virgilio ... Kathleen L Collins
    Interactions between HIV-1 Env and human mannose receptor enhance HIV entry but restrict viral egress and spread in the absence of Vpr.
    1. Immunology and Inflammation
    2. Neuroscience

    Neuronal NPR-15 modulates molecular and behavioral immune responses via the amphid sensory neuron-intestinal axis in C. elegans

    Benson Otarigho, Anna Frances Butts, Alejandro Aballay
    Molecular and genetics approaches reveal a dual regulatory role of neuronal G-protein-coupled receptor NPR-15 in both immunity and avoidance behavior, independent of aerotaxis, mediated by amphid sensory neurons, ASJ.
    1. Microbiology and Infectious Disease

    HIV-1 Vpr antagonizes innate immune activation by targeting karyopherin-mediated NF-κB/IRF3 nuclear transport

    Hataf Khan, Rebecca P Sumner ... Greg J Towers
    HIV-1 Vpr antagonises innate immune sensing of viral and non-viral stimuli by preventing activated IRF3 and NF-κB nuclear transport.
    1. Neuroscience

    Dissociable laminar profiles of concurrent bottom-up and top-down modulation in the human visual cortex

    Samuel JD Lawrence, David G Norris, Floris P de Lange
    Neural activity in the visual system is increased in different layers of the neocortex for bottom-up and top-down modulations.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    A functional link between the co-translational protein translocation pathway and the UPR

    Rachel Plumb, Zai-Rong Zhang ... Malaiyalam Mariappan
    Ire1α co-opts the Sec61 translocon channel to efficiently cleave its mRNA substrates during endoplasmic reticulum stress conditions.
    1. Cell Biology

    Unstructured regions in IRE1α specify BiP-mediated destabilisation of the luminal domain dimer and repression of the UPR

    Niko Amin-Wetzel, Lisa Neidhardt ... David Ron
    Client protein-driven reversal of endoplasmic reticulum chaperone (BiP) mediated-repression is revealed as a principal component of the regulation of the unfolded protein response transducer IRE1 in cells.

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