15 results found
    1. Structural Biology and Molecular Biophysics

    Structural organization and dynamics of FCHo2 docking on membranes

    Fatima El Alaoui, Ignacio Casuso ... Laura Picas
    The pioneering endocytic protein FCHo2 promotes clathrin-coated structures assembly via the formation of phosphoinositide-enriched domains at the boundary of cargo receptors.
    1. Cell Biology
    2. Developmental Biology

    Hypoxia controls plasma membrane targeting of polarity proteins by dynamic turnover of PI4P and PI(4,5)P2

    Juan Lu, Wei Dong ... Yang Hong
    When challenged by energetic stresses triggered by hypoxia and ATP inhibition, plasma membrane PI4P and PIP2 in cells undergo dramatic turnovers that have profound impact on many cellular processes including electrostatic PM targeting of numerous polybasic proteins.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Molecular basis of the PIP2-dependent regulation of CaV2.2 channel and its modulation by CaV β subunits

    Cheon-Gyu Park, Wookyung Yu, Byung-Chang Suh
    The anchoring properties of CaV β2 subunits to the plasma membrane determine the biophysical states of CaV2.2 channels by regulating PIP2 coupling to the nonspecific phospholipid-binding site in the I–II loop.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Membrane-mediated dimerization potentiates PIP5K lipid kinase activity

    Scott D Hansen, Albert A Lee ... Jay T Groves
    Dimerization promotes nonlinear kinetics in PIP5K-dependent lipid phosphorylation reactions.
    1. Cell Biology

    The Caenorhabditis elegans Tubby homolog dynamically modulates olfactory cilia membrane morphogenesis and phospholipid composition

    Danielle DiTirro, Alison Philbrook ... Piali Sengupta
    A Tubby protein regulates ciliary membrane morphology and phosphoinositide composition in a context-dependent manner.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    Phosphoinositides regulate force-independent interactions between talin, vinculin, and actin

    Charlotte F Kelley, Thomas Litschel ... Naoko Mizuno
    In vitro reconstitution of the core focal adhesion proteins talin and vinculin with actin reveals lipid-dependent release of autoinhibition.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Synchronized HIV assembly by tunable PIP2 changes reveals PIP2 requirement for stable Gag anchoring

    Frauke Mücksch, Vibor Laketa ... Hans-Georg Kräusslich
    PI(4,5)P2 plays a much broader role during the HIV-1 particle assembly process than assumed; it is indispensable not only for recruitment of Gag to the plasma membrane but also for the maintenance of Gag assemblies.
    1. Cell Biology
    2. Developmental Biology

    Apical targeting of the formin Diaphanous in Drosophila tubular epithelia

    Tal Rousso, Annette M Shewan ... Ben-Zion Shilo
    Synergistic interactions with PI(4,5)P2 and activated Rho1, which are enriched at the apical membrane of tubular organs, facilitate tight apical targeting of the formin Diaphanous.
    1. Cell Biology

    A role of OCRL in clathrin-coated pit dynamics and uncoating revealed by studies of Lowe syndrome cells

    Ramiro Nández, Daniel M Balkin ... Pietro De Camilli
    Studies of Lowe syndrome patient cells, which lack the inositol 5-phosphatase OCRL, suggest that a defect in endocytosis plays a role in the pathological manifestations of the disease.
    1. Cell Biology

    Myotubularin related protein-2 and its phospholipid substrate PIP2 control Piezo2-mediated mechanotransduction in peripheral sensory neurons

    Pratibha Narayanan, Meike Hütte ... Manuela Schmidt
    Local Mtmr2 activity and PI(3,5)P2 abundance dynamically control Piezo2-dependent mechanotransduction in peripheral sensory neurons.

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