1,139 results found
    1. Cell Biology

    The ER Stress Surveillance (ERSU) pathway regulates daughter cell ER protein aggregate inheritance

    Francisco J Piña, Maho Niwa
    Endoplasmic reticulum (ER) inheritance regulation during ER stress controls the transmission of misfolded ER proteins from mother to daughter cell in budding yeast.
    1. Cell Biology
    2. Developmental Biology

    Dual roles for ATP in the regulation of phase separated protein aggregates in Xenopus oocyte nucleoli

    Michael H Hayes et al.
    The equilibrium between solubility and aggregation of proteins in the nucleus is controlled by co-aggregates like RNA and the action of ATP as both an energy source and a destabilizing chemical agent.
    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
    2. Structural Biology and Molecular Biophysics

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

    Chaolie Huang et al.
    Age-dependent protein aggregation closely resembles protein aggregation associated with neurodegenerative diseases and other amyloidoses, and initiates early functional decline in different tissues.
    1. Biochemistry and Chemical Biology
    2. Neuroscience

    Alzheimer’s Disease: The two shapes of the Tau protein

    Jeffery W Kelly
    Tau proteins can convert from an inert shape to a misfolded shape that seeds the growth of fibers that contribute to the pathology of Alzheimer's disease.
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    1. Cell Biology
    2. Developmental Biology

    Myofibril diameter is set by a finely tuned mechanism of protein oligomerization in Drosophila

    Nicanor González-Morales et al.
    Myofibril diameter is set by the controlled oligomerization of the PDZ and LIM domain protein Zasp in Drosophila.
    1. Cell Biology
    2. Developmental Biology

    Mitotic spindle scaling during Xenopus development by kif2a and importin α

    Jeremy D Wilbur, Rebecca Heald
    An interaction between two proteins enables the spindle—the structure that segregates chromosome pairs during mitosis—to change size as cells divide.
    1. Cell Biology

    Transport of soluble proteins through the Golgi occurs by diffusion via continuities across cisternae

    Galina V Beznoussenko et al.
    The soluble cargo protein albumin traverses the Golgi stack at much faster rates than procollagen aggregates, by diffusion via intercisternal continuities.
    1. Cell Biology

    Stress-induced Cdk5 activity enhances cytoprotective basal autophagy in Drosophila melanogaster by phosphorylating acinus at serine437

    Nilay Nandi et al.
    Cdk5-mediated stabilization of Acinus in postmitotic neurons promotes autophagy and the removal of protein aggregates linked to neurodegeneration in Drosophila melanogaster.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    The Rqc2/Tae2 subunit of the ribosome-associated quality control (RQC) complex marks ribosome-stalled nascent polypeptide chains for aggregation

    Ryo Yonashiro et al.
    Rqc2-mediated modification of ribosome-stalled nascent chains with "CAT tails" promotes formation of insoluble aggregates suggesting that proteins can become specifically marked for aggregation.

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