4,622 results found
    1. Cell Biology

    Systematic analysis of membrane contact sites in Saccharomyces cerevisiae uncovers modulators of cellular lipid distribution

    Inês Gomes Castro, Shawn P Shortill ... Maya Schuldiner
    High-throughput analysis of several Saccharomyces cerevisiae contact sites reveals a large data set of potential contact site proteins, including proteins involved in the regulation of lipid distribution within cells.
    1. Cell Biology

    The ER tether VAPA is required for proper cell motility and anchors ER-PM contact sites to focal adhesions

    Hugo Siegfried, Georges Farkouh ... Mélina L Heuzé
    Depletion of VAPA in cancer cells induces defects in actin organization, adhesion dynamics and cell migration, together with a perturbation of phosphoinositide levels at the plasma membrane and a lack of anchoring of ER-PM contact sites to focal adhesions.
    1. Cell Biology

    GRAM domain proteins specialize functionally distinct ER-PM contact sites in human cells

    Marina Besprozvannaya, Eamonn Dickson ... Jodi Nunnari
    Functionally distinct ER-PM domains in human cells are defined by conserved GRAM domain containing proteins.
    1. Cell Biology

    Miga-mediated endoplasmic reticulum–mitochondria contact sites regulate neuronal homeostasis

    Lingna Xu, Xi Wang ... Chao Tong
    Increasing endoplasmic reticulum (ER)–mitochondria contact sites leads to neurodegeneration.
    1. Plant Biology

    Unbiased proteomic and forward genetic screens reveal that mechanosensitive ion channel MSL10 functions at ER–plasma membrane contact sites in Arabidopsis thaliana

    Jennette M Codjoe, Ryan A Richardson ... Elizabeth S Haswell
    A mechanosensitive ion channel physically and genetically interacts with proteins that function at endoplasmic reticulum–plasma membrane contact sites.
    1. Cell Biology

    Membrane contact sites regulate vacuolar fission via sphingolipid metabolism

    Kazuki Hanaoka, Kensuke Nishikawa ... Kouichi Funato
    Sphingolipids regulate vacuolar fission via nuclear vacuole junction to adapt to intracellular and extracellular environments in budding yeast.
    1. Cell Biology

    A new family of StART domain proteins at membrane contact sites has a role in ER-PM sterol transport

    Alberto T Gatta, Louise H Wong ... Tim P Levine
    A new family of sterol-specific lipid transfer proteins has been found that anchors in the endoplasmic reticulum; some of these proteins stretch across membrane contacts and mediate sterol traffic from the plasma membrane.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Phosphoregulation accommodates Type III secretion and assembly of a tether of ER-Chlamydia inclusion membrane contact sites

    Rachel J Ende, Rebecca L Murray ... Isabelle Derré
    To establish membrane contacts between its vacuole and the endoplasmic reticulum, the obligate intracellular bacterial pathogen Chlamydia trachomatis has evolved complex molecular strategies to mimic emerging regulatory processes that control contact-dependent organelle–organelle communication.
    1. Cell Biology

    Rab5 and Alsin regulate stress-activated cytoprotective signaling on mitochondria

    FoSheng Hsu, Stephanie Spannl ... Marino Zerial
    Oxidative stress leads to the translocation of Rab5 from endosome to mitochondria, regulated by ALS/Alsin, a component associated with amyotrophic lateral sclerosis, leading to mitochondrial-endosomal physical contacts and a cytoprotective response.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Aim24 and MICOS modulate respiratory function, tafazzin-related cardiolipin modification and mitochondrial architecture

    Max Emanuel Harner, Ann-Katrin Unger ... Walter Neupert
    Interactions between Aim24 and the mitochondrial outer and inner membrane contact site complex (MICOS) are essential for mitochondrial ultrastructure, lipid composition and oxidative phosphorylation.

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