509 results found
    1. Cell Biology

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

    Pratibha Narayanan et al.
    Local Mtmr2 activity and PI(3,5)P2 abundance dynamically control Piezo2-dependent mechanotransduction in peripheral sensory neurons.
    1. Cell Biology
    2. Developmental Biology

    Apical targeting of the formin Diaphanous in Drosophila tubular epithelia

    Tal Rousso et al.
    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
    2. Microbiology and Infectious Disease

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

    Frauke Mücksch et al.
    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. Genetics and Genomics

    The ribosomal P-stalk couples amino acid starvation to GCN2 activation in mammalian cells

    Heather P Harding et al.
    Genetic lesions that compromise the ribosome P-stalk implicate direct signalling from the ribosome to the translation initiation factor eIF2 kinase GCN2 in the cellular response to amino acid starvation.
    1. Biochemistry and Chemical Biology

    Agonist-mediated switching of ion selectivity in TPC2 differentially promotes lysosomal function

    Susanne Gerndt et al.
    The lysosomal ion channel TPC2 emerges as an example of an ion channel in which ion selectivity is not fixed but rather agonist-selective.
    1. Epidemiology and Global Health
    2. Structural Biology and Molecular Biophysics

    Electron cryo-microscopy of bacteriophage PR772 reveals the elusive vertex complex and the capsid architecture

    Hemanth KN Reddy et al.
    The structure and composition of the elusive vertex complex in Tectiviridae is finally revealed and the newly reported protein conformations help to maintain the capsid architecture.
    1. Cell Biology
    2. Physics of Living Systems

    Mechanically stimulated ATP release from murine bone cells is regulated by a balance of injury and repair

    Nicholas Mikolajewicz et al.
    Bone cells exposed to physiological forces release ATP through repairable membrane injury, generating an intercellular signal that conveys the destructive potential of forces and the adaptive capacity of endangered cells.
    1. Cell Biology
    2. Human Biology and Medicine

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

    Ramiro Nández et al.
    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
    2. Neuroscience

    Phosphatidylinositol 4,5-bisphosphate optical uncaging potentiates exocytosis

    Alexander M Walter et al.
    Increasing PI(4,5)P2 on a sub-second timescale using a novel, membrane-permeant UV activatable PI(4,5)P2 molecule augments exocytosis which requires the PI(4,5)P2 interacting exocytotic proteins Munc13-2 and synaptotagmin-1.
    1. Cell Biology

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

    Danielle DiTirro et al.
    A Tubby protein regulates ciliary membrane morphology and phosphoinositide composition in a context-dependent manner.

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