859 results found
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Arf1/COPI machinery acts directly on lipid droplets and enables their connection to the ER for protein targeting

    Florian Wilfling et al.
    The targeting of proteins from the endoplasmic reticulum to lipid droplets relies on surface modulation of the lipid droplet by the Arf1/COPI machinery.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    The brown adipocyte protein CIDEA promotes lipid droplet fusion via a phosphatidic acid-binding amphipathic helix

    David Barneda et al.
    An interaction between the brown fat protein CIDEA and the phospholipid phosphatidic acid is vital for the expansion of intracellular lipid droplets for energy storage.
    1. Cell Biology

    CPEB4 is regulated during cell cycle by ERK2/Cdk1-mediated phosphorylation and its assembly into liquid-like droplets

    Jordina Guillén-Boixet et al.
    CPEB4's switch from translational repressor to activator is regulated during cell cycle by hyperphosphorylation of its intrinsically disordered domain, which controls its phase-separation into RNA-containing liquid-like droplets.
    1. Cell Biology
    2. Developmental Biology

    Developmentally regulated H2Av buffering via dynamic sequestration to lipid droplets in Drosophila embryos

    Matthew Richard Johnson et al.
    In early Drosophila embryos, histone H2Av continuously exchanges between cytoplasmic lipid droplets, a process that modulates H2Av import into nuclei and constitutes a novel post-translational strategy to regulate nuclear H2Av levels.
    1. Cell Biology
    2. Developmental Biology

    Germ Granules: All about the RNA after all

    Tatjana Trcek, Ruth Lehmann
    RNA molecules cause the proteins involved in the formation of germ granules to coalesce into liquid droplets.
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    1. Computational and Systems Biology
    2. Neuroscience

    Narrow equilibrium window for complex coacervation of tau and RNA under cellular conditions

    Yanxian Lin et al.
    Liquid-liquid phase separation of tau is demonstrated to be an equilibrium state, stable only within a narrow range near physiological conditions, and thus has the capacity to regulate biological processes.
    1. Cell Biology

    A stress assembly that confers cell viability by preserving ERES components during amino-acid starvation

    Margarita Zacharogianni et al.
    Amino-acid starvation leads to the formation of a reversible stress assembly, the Sec body, which is a pro-survival reservoir for components of the ER exit sites.
    1. Cell Biology

    Electron cryo-tomography provides insight into procentriole architecture and assembly mechanism

    Sam Li et al.
    A detailed description of the structure of procentriole MT triplet by cryoET, along with its associated non-tubulin proteins and its assembly intermediates, reveals possible molecular mechanism for the procentriole assembly.
    1. Cell Biology

    Niemann-Pick type C proteins promote microautophagy by expanding raft-like membrane domains in the yeast vacuole

    Takuma Tsuji et al.
    Sterol transport by Niemann-Pick type C proteins induces the expansion of raft-like domains in the yeast vacuole, enabling engulfment of lipid droplets by microautophagy.
    1. Cell Biology
    2. Computational and Systems Biology

    Science Forum: The Human Cell Atlas

    Aviv Regev et al.
    Advances in techniques for analysing single cells and tissues have inspired an international effort to create comprehensive reference maps of all human cells - the fundamental units of life - as a basis for both understanding human health and diagnosing, monitoring and treating disease.

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