1,227 results found
    1. Cell Biology

    ER-associated mitochondrial division links the distribution of mitochondria and mitochondrial DNA in yeast

    Andrew Murley, Laura L Lackner ... Jodi Nunnari
    Sites at which mitochondria contact the endoplasmic reticulum co-localize the replication of mitochondria and their DNA to help ensure that DNA is distributed appropriately between the newly formed organelles in cells.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    The ER–Golgi intermediate compartment is a key membrane source for the LC3 lipidation step of autophagosome biogenesis

    Liang Ge, David Melville ... Randy Schekman
    A cell-free biochemical assay for protein lipidation identifies the ER–Golgi intermediate compartment as a key early station in the formation of an autophagosome.
    1. Cell Biology
    2. Immunology and Inflammation

    MAVS recruits multiple ubiquitin E3 ligases to activate antiviral signaling cascades

    Siqi Liu, Jueqi Chen ... Zhijian J Chen
    A cell-free system combined with cell-based assays elucidate the biochemical mechanism of signal transduction mediated by the mitochondrial protein MAVS and delineates the role of ubiquitin E3 ligases in antiviral innate immune responses.
    1. Cell Biology

    Bax and Bak function as the outer membrane component of the mitochondrial permeability pore in regulating necrotic cell death in mice

    Jason Karch, Jennifer Q Kwong ... Jeffery D Molkentin
    The proteins Bax and Bak, which increase the permeability of the mitochondrial membrane during apoptosis, are also crucial for generating a mitochondrial membrane pore that is specifically involved in necrosis.
    1. Cell Biology

    Cavin-3 dictates the balance between ERK and Akt signaling

    Victor J Hernandez, Jian Weng ... Peter Michaely
    Cavin-3 is a tumor suppressor protein that inhibits Akt signaling, suppresses Warburg metabolism, promotes apoptosis, and protects against cachexia.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Massive palmitoylation-dependent endocytosis during reoxygenation of anoxic cardiac muscle

    Mei-Jung Lin, Michael Fine ... Donald W Hilgemann
    Reoxygenation of anoxic cardiac tissue promotes massive endocytosis that is triggered by release of coenzymeA from mitochondria, followed by palmitoylation of membrane proteins, sarcolemma vesiculation, and transfer of sarolemma vesicles to large endosomes and vacuoles.
    1. Structural Biology and Molecular Biophysics
    2. Immunology and Inflammation

    Structural basis for the prion-like MAVS filaments in antiviral innate immunity

    Hui Xu, Xiaojing He ... Qiu-Xing Jiang
    Mitochondrial anti-viral signaling proteins form three-stranded helical filaments in launching innate immune responses against RNA viruses.
    1. Neuroscience

    The structure and organization of lanceolate mechanosensory complexes at mouse hair follicles

    Lishi Li, David D Ginty
    Close examination of lanceolate mechanosensory complexes has revealed clues about the ways that sensory nerves detect the movement of hairs and shown than terminal Schwann cells are needed to maintain and regenerate these intricate structures.
    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.

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