30 results found
    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. Cell Biology
    2. Microbiology and Infectious Disease

    A TRAF-like E3 ubiquitin ligase TrafE coordinates ESCRT and autophagy in endolysosomal damage response and cell-autonomous immunity to Mycobacterium marinum

    Lyudmil Raykov, Manon Mottet ... Thierry Soldati
    The Dictyostelium discoideum TRAF6 homolog TrafE coordinates the autophagy and ESCRT membrane repair machineries and works in the major cell-autonomous restriction pathway to control Mycobacterium marinum intracellular infection.
    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

    Mitochondrial Rab GAPs govern autophagosome biogenesis during mitophagy

    Koji Yamano, Adam I Fogel ... Richard J Youle
    Two GAP proteins bound to mitochondria regulate the enyzme Rab7, and thereby the expansion of the isolation membrane during mitophagy, downstream of PINK1 and Parkin, two proteins that are mutated in familial Parkinson's disease.
    1. Cell Biology

    AMPK and vacuole-associated Atg14p orchestrate μ-lipophagy for energy production and long-term survival under glucose starvation

    Arnold Y Seo, Pick-Wei Lau ... Jennifer Lippincott-Schwartz
    Upon AMPK activation by acute glucose restriction, Atg14p shifts its distribution from ER exit sites to liquid-ordered membrane domains on the vacuolar surface where, together with Atg6p, it facilitates LD-specific autophagy (i.e., microautophagy of lipid droplets) for energy production and long-term survival of starved cells.
    1. Cell Biology
    2. Plant Biology

    Host autophagy machinery is diverted to the pathogen interface to mediate focal defense responses against the Irish potato famine pathogen

    Yasin F Dagdas, Pooja Pandey ... Tolga O Bozkurt
    Defense-related selective autophagy mediated by the antimicrobial autophagy cargo receptor NBR1/Joka2 is diverted to pathogen penetration sites to restrict plant colonization by the oomycete pathogen Phytophthora infestans.
    1. Cell Biology
    2. Immunology and Inflammation

    Wiskott Aldrich syndrome protein regulates non-selective autophagy and mitochondrial homeostasis in human myeloid cells

    Elizabeth Rivers, Rajeev Rai ... Adrian J Thrasher
    WASp is an immunometabolic regulator of human myeloid cells and regulates autophagy and mitochondrial homeostasis.
    1. Cell Biology

    The peroxisome counteracts oxidative stresses by suppressing catalase import via Pex14 phosphorylation

    Kanji Okumoto, Mahmoud El Shermely ... Yukio Fujiki
    H2O2-induced phosphorylation at Ser232 of Pex14 spatiotemporally regulates peroxisomal import of catalase, functioning in counteracting action against oxidative stress by the increase of cytosolic catalase.
    1. Neuroscience

    Inhibition of PIP4Kγ ameliorates the pathological effects of mutant huntingtin protein

    Ismael Al-Ramahi, Sai Srinivas Panapakkam Giridharan ... Juan Jose Marugan
    This work validates PIP4K gamma as pharmacological target to ameliorate Huntington's disease.

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