829 results found
    1. Cell Biology

    ESCRTs function directly on the lysosome membrane to downregulate ubiquitinated lysosomal membrane proteins

    Lu Zhu et al.
    The lysosome membrane is a new functional location for the ESCRTs in yeast.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Tuning myosin-driven sorting on cellular actin networks

    Rizal F Hariadi et al.
    Competition between the antagonistic motor proteins myosin V and myosin VI finely tunes unidirectional transport of cargo on different actin architectures.
    1. Biochemistry and Chemical Biology
    2. Cancer Biology

    Y-box protein 1 is required to sort microRNAs into exosomes in cells and in a cell-free reaction

    Matthew J Shurtleff et al.
    A cell-free reaction that reconstitutes the selective sorting of a miRNA into exosomes reveals an RNA-binding protein, YBX1, as a critical sorting factor.
    1. Structural Biology and Molecular Biophysics

    Importin-9 wraps around the H2A-H2B core to act as nuclear importer and histone chaperone

    Abhilash Padavannil et al.
    In an unusual complex that is not dissociated by RanGTP alone, Importin-9 sequesters the H2A-H2B core from promiscuous interactions.
    1. Physics of Living Systems

    A minimal self-organisation model of the Golgi apparatus

    Quentin Vagne et al.
    An unbiased model for the self-organisation of the Golgi apparatus displays either anterograde vesicular transport or cisternal maturation depending on ratios of budding, fusion and biochemical conversion rates.
    1. Cell Biology
    2. Physics of Living Systems

    A physical mechanism of TANGO1-mediated bulky cargo export

    Ishier Raote et al.
    TANGO1 functions as a linactant filament to stabilize shallow COPII-coated buds, and after which membrane tension regulation, possibly mediated by TANGO1-controlled membrane fusion, facilitates bud elongation for procollagen export.
    1. Cell Biology

    The influence of dynein processivity control, MAPs, and microtubule ends on directional movement of a localising mRNA

    Harish Chandra Soundararajan, Simon L Bullock
    In vitro reconstitution of mRNA motility reveals the basis of directionally biased motion by groups of motors, their response to potential obstacles, and the consequences of reaching microtubule ends.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Large protein organelles form a new iron sequestration system with high storage capacity

    Tobias W Giessen et al.
    An alternative iron storage system based on a 9.6 megadalton microbial protein compartment is able to sequester and store large amounts of iron.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    A CDC25 family protein phosphatase gates cargo recognition by the Vps26 retromer subunit

    Tie-Zhong Cui et al.
    The CDC25 family protein phosphatase Mih1 promotes downregulation of cell surface proteins in budding yeast by dephosphorylating a subunit of the retromer complex, which mediates plasma membrane recycling.
    1. Physics of Living Systems
    2. Computational and Systems Biology

    Many-molecule encapsulation by an icosahedral shell

    Jason D Perlmutter et al.
    Computational and theoretical models reveal mechanisms by which protein compartments assemble around enzymes and reagents to facilitate reactions in bacteria, allowing the identification of strategies for reengineering such compartments as customizable nanoreactors.

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