1,860 results found
    1. Biochemistry and Chemical Biology

    Regulatory coiled-coil domains promote head-to-head assemblies of AAA+ chaperones essential for tunable activity control

    Marta Carroni et al.
    Head-to-head interactions of regulatory coiled-coil domains control activity of the central bacterial AAA+ protein ClpC by promoting formation of a reversible resting state.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Promiscuous interactions and protein disaggregases determine the material state of stress-inducible RNP granules

    Sonja Kroschwald et al.
    A comparison in yeast and human cells reveals a remarkable variability in the properties of RNP granules and highlights a key role for protein disaggregation machines in regulating RNP granule assembly.
    1. Cell Biology

    In vivo vizualisation of mono-ADP-ribosylation by dPARP16 upon amino-acid starvation

    Angelica Aguilera-Gomez et al.
    Amino-acid induced Sec body formation is mediated by PARP16 dependent MARylation of Sec16, a component of the endoplasmic reticulum exit site.
    1. Cell Biology

    Generation of contractile actomyosin bundles depends on mechanosensitive actin filament assembly and disassembly

    Sari Tojkander et al.
    Mechanosensitive inhibition of actin polymerization through VASP phosphorylation is required for stress fiber maturation and alignment.
    1. Structural Biology and Molecular Biophysics

    A complex IRES at the 5'-UTR of a viral mRNA assembles a functional 48S complex via an uAUG intermediate

    Ritam Neupane et al.
    The ribosome bound structure of a new IRES reveals novel architecture features used by viruses to hijack cellular translation.
    1. Cell Biology

    Chronic optogenetic induction of stress granules is cytotoxic and reveals the evolution of ALS-FTD pathology

    Peipei Zhang et al.
    OptoGranules reveal the function of G3BP1 as a stress granule scaffold and demonstrate that protracted stress granule assembly is sufficient to drive neurodegeneration and the evolution of ALS-FTD pathology.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    eIF2B conformation and assembly state regulate the integrated stress response

    Michael Schoof et al.
    eIF2-P activates the integrated stress response by inducing a conformational change in eIF2B that decreases substrate (eIF2) binding and reduces eIF2B's catalytic activity.
    1. Cell Biology

    RNA promotes phase separation of glycolysis enzymes into yeast G bodies in hypoxia

    Gregory G Fuller et al.
    Under hypoxic stress, when cellular demand for energy relies entirely on glycolysis, the machinery for glycolysis binds RNA and phase separates into G bodies, leading to enhanced glycolysis rates.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Distinct stages in stress granule assembly and disassembly

    Joshua R Wheeler et al.
    A new stress granule assembly mechanism has implications for other RNP granules and pathological aggregates.
    1. Computational and Systems Biology
    2. Neuroscience

    Cell assemblies at multiple time scales with arbitrary lag constellations

    Eleonora Russo, Daniel Durstewitz
    A novel statistical algorithm for mining high-dimensional spike train (count) data for significant spatio-temporal patterns reveals new insights into task and brain area dependent functional organization of neural activity.

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