67 results found
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    The cooperative binding of TDP-43 to GU-rich RNA repeats antagonizes TDP-43 aggregation

    Juan Carlos Rengifo-Gonzalez et al.
    The RNA-mediated higher order assembly of TDP-43, a protein associated with neurodegenerative diseases, preserves its solubility by reducing the risk of multivalent interactions between low complexity domains.
    1. Biochemistry and Chemical Biology

    HspB8 prevents aberrant phase transitions of FUS by chaperoning its folded RNA-binding domain

    Edgar E Boczek et al.
    Quantitative time-resolved crosslinking mass spectrometry is developed to monitor protein interactions and dynamics inside molecular condensates and used to identify misfolding of the RNA-binding domain of FUS as a key driver of condensate-aging.
    1. Biochemistry and Chemical Biology

    Cytosolic aggregation of mitochondrial proteins disrupts cellular homeostasis by stimulating the aggregation of other proteins

    Urszula Nowicka et al.
    Defective mitochondrial protein import results in protein aggregation and a specific chaperone response in the cytosol, causatively linking mitochondrial function and cellular protein homeostasis disturbances observed in neurodegeneration.
    1. Genetics and Genomics

    The dual role of amyloid-β-sheet sequences in the cell surface properties of FLO11-encoded flocculins in Saccharomyces cerevisiae

    Clara Bouyx et al.
    The role of amyloid-β-aggregation sequence and of the various domains in the physiological function of the FLO11-encoded adhesin in the yeast Saccharomyces cerevisiae are disclosed in this report.
    1. Computational and Systems Biology
    2. Genetics and Genomics

    Leveraging the Mendelian disorders of the epigenetic machinery to systematically map functional epigenetic variation

    Teresa Romeo Luperchio et al.
    Chromatin/transcriptome profiling in multiple mouse models with mutations in epigenetic machinery (EM) reveals shared abnormalities including many IgA-relevant genes, indicating that this kind of joint analysis may elucidate the multigenic nature of EM disorders.
    1. Cancer Biology
    2. Computational and Systems Biology

    Structural basis of the effect of activating mutations on the EGF receptor

    Ioannis Galdadas et al.
    Computational methods reveal how mutations affect the conformational landscape of the kinase domain of EGFR resulting in abnormal signaling and provide a structural framework for ongoing drug discovery efforts on mutant-specific EGFR inhibition.
    1. Physics of Living Systems

    Propelling and perturbing appendages together facilitate strenuous ground self-righting

    Ratan Othayoth, Chen Li
    Animals can, and robots should, use different types of appendages together to propel and perturb themselves to self-right when overturned, a strenuous yet crucial locomotor task.
    1. Neuroscience
    2. Physics of Living Systems

    The neuronal calcium sensor Synaptotagmin-1 and SNARE proteins cooperate to dilate fusion pores

    Zhenyong Wu et al.
    During neurotransmitter release, calcium-induced membrane insertion of the C2B domain of Synaptotagmin re-orients the bound SNARE complex which dilates the fusion pore in a mechanical lever action.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    The solubility product extends the buffering concept to heterotypic biomolecular condensates

    Aniruddha Chattaraj et al.
    The solubility product, a thermodynamic concept classically applied to poorly soluble ionic solutes, can rationalize the concentration dependence for liquid-liquid phase separation of multicomponent multivalent molecules.
    1. Structural Biology and Molecular Biophysics

    Pore mutation N617D in the skeletal muscle DHPR blocks Ca2+ influx due to atypical high-affinity Ca2+ binding

    Anamika Dayal et al.
    Characterization of Ca2+ selectivity and non-conductance mechanism induced by pore mutation N617D in the skeletal muscle DHPR.

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