12 results found
    1. Cell Biology

    Noncanonical roles of ATG5 and membrane atg8ylation in retromer assembly and function

    Masroor Ahmad Paddar, Fulong Wang ... Vojo Deretic
    Membrane atg8ylation but not canonical autophagy control retromer-dependent endosomal sorting of cargo, including glucose transporter GLUT1, of general import and of significance for control of tuberculosis.
    1. Cell Biology

    Spatiotemporal recruitment of the ubiquitin-specific protease USP8 directs endosome maturation

    Yue Miao, Yongtao Du ... Mei Ding
    The USP-50/USP8 protease removes the Rab5 GEF Rabex5 from endosomes while facilitating recruitment of the Rab7 GEF SAND-1/Mon1, promoting endosome maturation.
    1. Cell Biology

    The Rab7-Epg5 and Rab39-ema modules cooperately position autophagosomes for efficient lysosomal fusions

    Attila Boda, Villő Balázs ... Péter Lőrincz
    Not revised
    Reviewed Preprint v1
    • Valuable
    • Solid
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    Structure of the HOPS tethering complex, a lysosomal membrane fusion machinery

    Dmitry Shvarev, Jannis Schoppe ... Christian Ungermann
    The structure of the yeast HOPS tethering complex suggests how this large complex may catalyze fusion by tethering Rab-decorated membranes and promoting the assembly of SNAREs.
    1. Cell Biology
    2. Developmental Biology

    Autophagosomes fuse to phagosomes and facilitate the degradation of apoptotic cells in Caenorhabditis elegans

    Omar Peña-Ramos, Lucia Chiao ... Zheng Zhou
    The crosstalk between autophagy and the phagocytosis of apoptotic cells, two cellular clearance pathways, promotes the fusion of the double-membrane autophagosomes to the phagosomes and plays an important role in the degradation of engulfed apoptotic cells.
    1. Cell Biology

    Capping protein regulates endosomal trafficking by controlling F-actin density around endocytic vesicles and recruiting RAB5 effectors

    Dawei Wang, Zuodong Ye ... Jianbo Yue
    CapZ controls actin filament density around immature early endosomes via its C-terminal domain to facilitate the homotypic fusion of the endocytic vesicles, and it functions as a scaffold protein via its N-terminal domain to recruit RAB5 effectors to early endosomes.
    1. Cell Biology

    A novel live-cell imaging assay reveals regulation of endosome maturation

    Maria Podinovskaia, Cristina Prescianotto-Baschong ... Anne Spang
    A novel, inexpensive, easy-to-use method to analyse traffic along the endosomal pathway in mammalian cells shows that there is coordination between Rab conversion and acidification, but almost none between Rab conversion and recycling.
    1. Structural Biology and Molecular Biophysics

    Nanoscopic anatomy of dynamic multi-protein complexes at membranes resolved by graphene-induced energy transfer

    Nadia Füllbrunn, Zehao Li ... Changjiang You
    The axial organization and dynamics of the HOPS complex at membrane surface are resolved by graphene-induced energy transfer with subnanometer resolution.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    A conserved and regulated mechanism drives endosomal Rab transition

    Lars Langemeyer, Ann-Christin Borchers ... Christian Ungermann
    Reconstitution of the endosomal Rab cascade reveals that Rab5 binds and activates the Mon1-Ccz1 guanine nucleotide exchange factor, which in turn recruits Rab7 to membranes to drive fusion.
    1. Cell Biology
    2. Plant Biology

    Integration of two RAB5 groups during endosomal transport in plants

    Emi Ito, Kazuo Ebine ... Takashi Ueda
    Plant-unique RAB5 effector 2 (PUF2) is an effector of plant-unique ARA6, which plays a key role in plant endosomal transport, integrating functions of the two plant RAB5 groups by an unprecedented mechanism.

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