118 results found
    1. Cell Biology
    2. Neuroscience

    The postsynaptic t-SNARE Syntaxin 4 controls traffic of Neuroligin 1 and Synaptotagmin 4 to regulate retrograde signaling

    Kathryn P Harris, Yao V Zhang ... J Troy Littleton
    Syntaxin 4 regulates retrograde signaling in the postsynaptic compartment at Drosophila synapses by controlling trafficking of Neuroligin and Synaptotagmin 4 cargo.
    1. Cell Biology

    Src activates retrograde membrane traffic through phosphorylation of GBF1

    Joanne Chia, Shyi-Chyi Wang ... Frederic A Bard
    Src phosphorylates GBF1, promoting binding of the Sec7 domain to Arf1 and the formation of GALNTs containing tubules emanating from the Golgi.
    1. Cell Biology

    Botulinum toxin intoxication requires retrograde transport and membrane translocation at the ER in RenVM neurons

    Jeremy C Yeo, Felicia P Tay ... Frederic Bard
    BoNT intoxication of neurons is revisited using a genome-wide siRNA screen and organelle-specific reporters, suggesting a mechanism of translocation to the cytosol fundamentally different than previously proposed.
    1. Cell Biology

    ERK8 is a negative regulator of O-GalNAc glycosylation and cell migration

    Joanne Chia, Keit Min Tham ... Frederic A Bard
    The ERK8 kinase blocks the export of glycosyl-tranferases from the Golgi to the endoplasmic reticulum, and thus subsequent O-glycosylation of proteins that otherwise enhance cell motility and tissue invasion.
    1. Cell Biology

    COPI selectively drives maturation of the early Golgi

    Effrosyni Papanikou, Kasey J Day ... Benjamin S Glick
    Inactivation of the COPI vesicle coat in yeast reveals that COPI recycles early but not late Golgi proteins.
    1. Cell Biology

    Kazrin promotes dynein/dynactin-dependent traffic from early to recycling endosomes

    Ines Hernandez-Perez, Javier Rubio ... María Isabel Geli
    Kazrin, a protein widely expressed in vertebrates whose depletion causes defects in cell adhesion and migration, is recruited to early endosomes and promotes dynein/dynactin-dependent traffic of endocytosed cargo to the recycling endosomes.
    1. Cell Biology

    Stacking the odds for Golgi cisternal maturation

    Somya Mani, Mukund Thattai
    A screen of tens of thousands of vesicle traffic networks in silico shows that Golgi-like cisternal maturation is a natural outcome of vesicle traffic homeostasis.
    1. Cell Biology

    IFT trains in different stages of assembly queue at the ciliary base for consecutive release into the cilium

    Jenna L Wingfield, Ilaria Mengoni ... Karl Lechtreck
    Multimegadalton intraflagellar transport (IFT) trains assemble by sequential recruitment of IFT subcomplexes from the cell body to the ciliary basal bodies and tubulin, the main IFT cargo, is loaded briefly before trains depart.
    1. Cell Biology

    The GTPase IFT27 is involved in both anterograde and retrograde intraflagellar transport

    Diego Huet, Thierry Blisnick ... Philippe Bastin
    A small GTPase within the flagellum can participate in the control of transport from the base to the tip of the flagellum, and back again.
    1. Cell Biology

    A WDR35-dependent coat protein complex transports ciliary membrane cargo vesicles to cilia

    Tooba Quidwai, Jiaolong Wang ... Pleasantine Mill
    Electron tomography and biochemical approaches demonstrate a direct role for WDR35, beyond integrity of the IFT-A holocomplex, in the formation and fusion of electron-dense-coated vesicles to the ciliary sheath and pocket for delivery of cargos necessary for axoneme elongation.

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