3,408 results found
    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. Biochemistry and Chemical Biology

    Syntaxin-6 delays prion protein fibril formation and prolongs the presence of toxic aggregation intermediates

    Daljit Sangar, Elizabeth Hill ... Jan Bieschke
    A new native prion protein aggregation assay shows that syntaxin-6, a risk factor for sporadic Creutzfeldt–Jakob disease, delays prion protein fibril formation and prolongs the presence of toxic aggregation intermediates.
    1. Biochemistry and Chemical Biology

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

    Urszula Nowicka, Piotr Chroscicki ... Agnieszka Chacinska
    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. 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. Physics of Living Systems

    High-molecular-weight polymers from dietary fiber drive aggregation of particulates in the murine small intestine

    Asher Preska Steinberg, Sujit S Datta ... Rustem F Ismagilov
    Polymers from dietary fiber can control the aggregation of particulates in the murine small intestine in a manner qualitatively consistent with depletion interactions.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Meiosis I chromosome segregation is established through regulation of microtubule–kinetochore interactions

    Matthew P Miller, Elçin Ünal ... Angelika Amon
    Preventing premature interactions between microtubules and protein-based structures called kinetochores ensures that chromosomes are segregated by meiosis rather than mitosis in reproductive cells.
    1. Chromosomes and Gene Expression

    Depletion or cleavage of cohesin during anaphase differentially affects chromatin structure and segregation

    Jonay Garcia-Luis, Hélène Bordelet ... Luis Aragon
    Cohesin role in chromosome organisation during anaphase is necessary for the segregation of chromosomes.
    1. Physics of Living Systems

    Shared behavioral mechanisms underlie C. elegans aggregation and swarming

    Siyu Serena Ding, Linus J Schumacher ... André EX Brown
    Two seemingly distinct behaviors in social C. elegans worms, namely aggregating into groups and swarming over food, are driven by the same underlying mechanisms.
    1. Evolutionary Biology

    Regulated aggregative multicellularity in a close unicellular relative of metazoa

    Arnau Sebé-Pedrós, Manuel Irimia ... Iñaki Ruiz-Trillo
    The transition to the aggregative stage of Capsaspora owczarzaki, a close unicellular relative to Metazoa, is associated with significant upregulation of orthologs of genes that are important for multicellularity in metazoans.
    1. Structural Biology and Molecular Biophysics

    The metal cofactor zinc and interacting membranes modulate SOD1 conformation-aggregation landscape in an in vitro ALS model

    Achinta Sannigrahi, Sourav Chowdhury ... Krishnananda Chattopadhyay
    How do the metal cofactors present in the protein SOD1 collaborate with the interacting membrane to define the role of this protein in the disease ALS?

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