11 results found
    1. Cell Biology

    Cooperation of mitochondrial and ER factors in quality control of tail-anchored proteins

    Verena Dederer et al.
    The endoplasmic reticulum E3 ubiquitin ligase Doa10 and the mitochondrial AAA-ATPase Msp1 govern targeting fidelity of outer mitochondrial tail-anchored proteins by controlling cytoplasmic concentration and extracting mistargeted and orphan species.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Wss1 metalloprotease partners with Cdc48/Doa1 in processing genotoxic SUMO conjugates

    Maxim Y Balakirev et al.
    Wss1 is both a metalloprotease and SUMO ligase found in association with Cdc48 and Doa1 and accumulating in the vacuole upon DNA damage.
    1. Cell Biology

    COPI mediates recycling of an exocytic SNARE by recognition of a ubiquitin sorting signal

    Peng Xu et al.
    COPI vesicle coat protein recognizes a ubiquitin sorting signal on an exocytic v-SNARE to mediate recycling.
    1. Biochemistry and Chemical Biology
    2. Genetics and Genomics

    Genetic analysis reveals functions of atypical polyubiquitin chains

    Fernando Meza Gutierrez et al.
    A comprehensive genetic interaction screen uncovered biological roles of K11 linkages in amino acid homeostasis and cell cycle regulation in yeast.
    1. Cell Biology

    A protein quality control pathway at the mitochondrial outer membrane

    Meredith B Metzger et al.
    Temperature-sensitive mitochondrial outer membrane proteins used as novel quality control substrates reveal a unique mitochondria-associated degradation pathway consisting of both cytosolic and mitochondrial ubiquitin-proteasome system machinery.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    DPP9 is a novel component of the N-end rule pathway targeting the tyrosine kinase Syk

    Daniela Justa-Schuch et al.
    Cleavage of Syk, a central kinase in B-cell signalling, by DPP9 leads to Syk degradation, identifying novel roles for DPP9 in Syk signaling and in the N-end rule pathway.
    1. Cell Biology

    The ART-Rsp5 ubiquitin ligase network comprises a plasma membrane quality control system that protects yeast cells from proteotoxic stress

    Yingying Zhao et al.
    Ubiquitin ligase adaptors target the selective clearance of misfolded plasma membrane proteins.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Cdc48/p97 promotes degradation of aberrant nascent polypeptides bound to the ribosome

    Rati Verma et al.
    The enzyme that collaborates with ubiquitin ligases to promote the release of defective polypeptides from stalled ribosomes in a process named ribosome-associated degradations has been identified as the ATPase Cdc48.
    1. Cell Biology

    Selective clearance of the inner nuclear membrane protein emerin by vesicular transport during ER stress

    Abigail Buchwalter et al.
    Emerin, a protein that plays key roles in nuclear organization, can be dynamically degraded in response to environmental stimuli such as ER stress.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Cdc48 regulates a deubiquitylase cascade critical for mitochondrial fusion

    Tânia Simões et al.
    A signaling pathway—comprising a linear sequence of the ubiquitin-selective chaperone Cdc48/p97 and the deubiquitylases Ubp12 and Ubp2—synergistically regulates mitochondrial fusion, thereby fine-tuning ubiquitylation of the mitofusin Fzo1.

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