16 results found
    1. Biochemistry and Chemical Biology

    Optical manipulation of sphingolipid biosynthesis using photoswitchable ceramides

    Matthijs Kol et al.
    Photoswitchable ceramides containing an azobenzene photoswitch behave as light-controllable substrates for both sphingomyelin synthase and glucosylceramide synthase.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Membrane characteristics tune activities of endosomal and autophagic human VPS34 complexes

    Yohei Ohashi et al.
    The lipid kinase VPS34 complexes I and II are both activated by unsaturation of substrate and non-substrate lipids, curvature, electrostatics and polyphosphoinositides, which play roles in localisation and cellular function.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Genetic and environmental determinants of variation in the plasma lipidome of older Australian twins

    Matthew WK Wong et al.
    A minor subset of plasma lipids are heritable, and this is associated with gene expression of transcripts related to roles beyond lipid metabolism, including immune function and cell signalling.
    1. Cell Biology

    Evolutionarily conserved long-chain Acyl-CoA synthetases regulate membrane composition and fluidity

    Mario Ruiz et al.
    Silencing the acyl-coA synthethase ACSL1 protects against saturated fat lipotoxicity by preventing the degradation of polyunsaturated fatty acids, allowing them to be incorporated into phospholipids and improves membrane fluidity.
    1. Neuroscience

    CNS myelination and remyelination depend on fatty acid synthesis by oligodendrocytes

    Penelope Dimas et al.
    Endogenous synthesis of fatty acids by oligodendrocytes is essential for development and repair in the central nervous system.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Mitochondria-specific photoactivation to monitor local sphingosine metabolism and function

    Suihan Feng et al.
    Caged, photoactivatible sphingosine localized to mitochondria permits demonstration of the importance of subcellular localization on lipid metabolism and signaling.
    1. Biochemistry and Chemical Biology
    2. Developmental Biology

    The ceramide synthase 2b gene mediates genomic sensing and regulation of sphingosine levels during zebrafish embryogenesis

    Karen Mendelson et al.
    Developing oocytes lacking Sphk2 sense high sphingosine levels and transcriptionally activate expression of the gene encoding Cers2b, to mediate a salvage pathway to reduce potentially toxic sphingosine.
    1. Cell Biology

    The GARP complex is required for cellular sphingolipid homeostasis

    Florian Fröhlich et al.
    The retrograde vesicular trafficking GARP complex, which is mutated in a neurodegenerative disease, is important for sphingolipid homeostasis in yeast and mammalian cells.
    1. Genetics and Genomics

    Obesity-linked suppression of membrane-bound O-acyltransferase 7 (MBOAT7) drives non-alcoholic fatty liver disease

    Robert N Helsley et al.
    Loss of function of membrane-bound O-acyltransferase 7 (MBOAT7), but not transmembrane channel-like 4 (TMC4), promotes hepatic steatosis.
    1. Developmental Biology

    The glycosphingolipid MacCer promotes synaptic bouton formation in Drosophila by interacting with Wnt

    Yan Huang et al.
    Multiple independent analyses reveal that a specific membrane lipid directly interacts with the signalling protein Wingless to promote synapse growth at the Drosophila neuromuscular junctions.

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