2,514 results found
    1. Physics of Living Systems

    Spatial control of irreversible protein aggregation

    Christoph Weber, Thomas Michaels, L Mahadevan
    A theoretical basis for the spatial regulation of protein aggregation shows how aggregates can partition preferentially into intracellular liquid compartments.
    1. Cell Biology
    2. Evolutionary Biology

    The wtf4 meiotic driver utilizes controlled protein aggregation to generate selective cell death

    Nicole L Nuckolls, Anthony C Mok ... Sarah E Zanders
    The Wtf4 antidote protein assembles with the Wtf4 poison protein and promotes the transportation of the assembled proteins to the vacuole for sequestration or destruction.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Group II truncated haemoglobin YjbI prevents reactive oxygen species-induced protein aggregation in Bacillus subtilis

    Takeshi Imai, Ryuta Tobe ... Hisaaki Mihara
    The repair of oxidatively damaged proteins by the newly discovered activity in YjbI is important for the adaptation of Bacillus subtilis to oxidative environments.
    1. Cell Biology
    2. Genetics and Genomics

    Targeting DNA topoisomerases or checkpoint kinases results in an overload of chaperone systems, triggering aggregation of a metastable subproteome

    Wouter Huiting, Suzanne L Dekker ... Steven Bergink
    Various genotoxic stresses trigger widespread aggregation of abundant, liquid-liquid phase separation-prone proteins, suggesting that genotoxic stress is a potential driver of disease-associated protein aggregation.
    1. Cell Biology
    2. Developmental Biology

    Protein aggregates are associated with replicative aging without compromising protein quality control

    Juha Saarikangas, Yves Barral
    The aging lineage of budding yeast is differentiated by an early-appearing protein deposit that promotes protein quality control.
    1. Cell Biology

    High and stable ATP levels prevent aberrant intracellular protein aggregation in yeast

    Masak Takaine, Hiromi Imamura, Satoshi Yoshida
    The first demonstration that cellular ATP homeostasis suppresses high volatility of cellular ATP levels to ensure proteostasis that prevents accumulation of cytotoxic protein aggregation.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Cell-based HTS identifies a chemical chaperone for preventing ER protein aggregation and proteotoxicity

    Keisuke Kitakaze, Shusuke Taniuchi ... Seiichi Oyadomari
    Cell-based high-throughput screening identifies IBT21 as a chemical chaperone, that inhibits ER protein aggregation and prevents the cell death caused by a proteotoxin, the aggregation-prone prion protein.
    1. Physics of Living Systems

    A first order phase transition mechanism underlies protein aggregation in mammalian cells

    Arjun Narayanan, Anatoli Meriin ... Ibrahim I Cisse
    Quantitative single molecule and super resolution imaging in mammalian cells reveal a population of precursor aggregates describable by first order phase transition theory.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    Intrinsically aggregation-prone proteins form amyloid-like aggregates and contribute to tissue aging in Caenorhabditis elegans

    Chaolie Huang, Sara Wagner-Valladolid ... Della C David
    Age-dependent protein aggregation closely resembles protein aggregation associated with neurodegenerative diseases and other amyloidoses, and initiates early functional decline in different tissues.
    1. Cell Biology

    Site-specific phosphorylation and caspase cleavage of GFAP are new markers of Alexander disease severity

    Rachel A Battaglia, Adriana S Beltran ... Natasha T Snider
    GFAP protein carries a distinct post-translational modification signature that facilitates its pathogenic accumulation and aggregation in astrocytes of patients who succumb to Alexander Disease very early in life.

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