72 results found
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Agl24 is an ancient archaeal homolog of the eukaryotic N-glycan chitobiose synthesis enzymes

    Benjamin H Meyer, Panagiotis S Adam ... Helge C Dorfmueller
    The crenarchaeon Sulfolobus synthesizes the N-glycan core in the identical way as all Eukaryotes, which strengthens the hypothesis that the eukaryotic N-glycosylation is acquired from an ancient archaeon during eukaryogenesis.
    1. Cell Biology

    The triad interaction of ULK1, ATG13, and FIP200 is required for ULK complex formation and autophagy

    Yutaro Hama, Yuko Fujioka ... Nobuo N Noda
    Not revised
    Reviewed Preprint v1
    1. Cell Biology

    Atg1 kinase in fission yeast is activated by Atg11-mediated dimerization and cis-autophosphorylation

    Zhao-Qian Pan, Guang-Can Shao ... Li-Lin Du
    A mechanistic dissection of how autophagy kinase Atg1 is activated in fission yeast reveals surprising differences from the known Atg1 activation mechanisms previously defined in budding yeast.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Multiplex image-based autophagy RNAi screening identifies SMCR8 as ULK1 kinase activity and gene expression regulator

    Jennifer Jung, Arnab Nayak ... Christian Behrends
    An image-based multiplex autophagosome RNAi screen targeting all Rab GTPases as well as their GAPs and GEFs identifies the Rab GEF SMCR8 as multifaceted autophagy modulator, which regulates kinase activity and gene expression of ULK1.
    1. Cell Biology
    2. Neuroscience

    Expression of WIPI2B counteracts age-related decline in autophagosome biogenesis in neurons

    Andrea KH Stavoe, Pallavi P Gopal ... Erika LF Holzbaur
    The dynamic phosphorylation of autophagy component WIPI2B is critical to maintain autophagosome biogenesis in neurons, and ectopic expression of WIPI2B can restore rates of autophagosome biogenesis in aged neurons.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    The autophagy adaptor NDP52 and the FIP200 coiled-coil allosterically activate ULK1 complex membrane recruitment

    Xiaoshan Shi, Chunmei Chang ... James H Hurley
    Hydrogen-deuterium exchange, electron microscopy, and vesicle reconstitution show how binding of the autophagy adaptor NDP52 to the FIP200 subunit of the ULK1 complex triggers membrane binding in autophagy.
    1. Cell Biology

    The peroxisomal exportomer directly inhibits phosphoactivation of the pexophagy receptor Atg36 to suppress pexophagy in yeast

    Houqing Yu, Roarke A Kamber, Vladimir Denic
    A novel mechanism by which a compartment-specific AAA+ complex mediating organelle biogenesis and protein quality control staves off induction of selective autophagy.
    1. Genetics and Genomics

    The Impact of Stability Considerations on Genetic Fine-Mapping

    Alan Aw, Lionel Chentian Jin ... Yun S. Song
    Not revised
    Reviewed Preprint v1
    1. Evolutionary Biology
    2. Genetics and Genomics

    Evolutionary rescue of phosphomannomutase deficiency in yeast models of human disease

    Ryan C Vignogna, Mariateresa Allocca ... Gregory I Lang
    Experimental evolution of yeast models of congenital disorders of glycosylation reveals that reduction, but not loss, of phosphoglucomutase activity best compensates for impaired phosphomannomutase activity.
    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.

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