101 results found
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    The vacuolar-ATPase complex and assembly factors, TMEM199 and CCDC115, control HIF1α prolyl hydroxylation by regulating cellular iron levels

    Anna L Miles, Stephen P Burr ... James A Nathan
    An unbiased genome-wide human forward genetic screen identifies the vacuolar ATPase complex and assembly factors as regulators of HIF stability through their actions on intracellular iron metabolism.
    1. Cell Biology
    2. Genetics and Genomics

    Lack of CCDC146, a ubiquitous centriole and microtubule-associated protein, leads to non-syndromic male infertility in human and mouse

    Jana Muroňová, Zine Eddine Kherraf ... Christophe Arnoult
    CCDC146 is a structural component of the flagellum in sperm, located in the doublet microtubules of the axoneme, whose absence leads to multiple morphological anomalies of the flagellum.
    1. Microbiology and Infectious Disease

    HIV-1 Vpr induces cell cycle arrest and enhances viral gene expression by depleting CCDC137

    Fengwen Zhang, Paul D Bieniasz
    A key target of the HIV-1 Vpr accessory protein is identified, whose depletion causes increased HIV-1gene expression and cell cycle arrest.
    1. Cell Biology

    Multiple polarity kinases inhibit phase separation of F-BAR protein Cdc15 and antagonize cytokinetic ring assembly in fission yeast

    Rahul Bhattacharjee, Aaron R Hall ... Kathleen L Gould
    Biochemical studies and molecular dynamics simulations indicate that dephosphroylation of F-BAR protein Cdc15 promotes cytokinesis ring assembly in yeast via conformation change of intrinsically disorder regions and condensate formation.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    Calaxin stabilizes the docking of outer arm dyneins onto ciliary doublet microtubule in vertebrates

    Hiroshi Yamaguchi, Motohiro Morikawa, Masahide Kikkawa
    Zebrafish genetics and sperm cryo-electron tomography reveal a novel function of Calaxin as a docking complex component stabilizing the outer arm dynein onto the ciliary doublet microtubule.
    1. Cell Biology
    2. Immunology and Inflammation

    Regulation of pDC fate determination by histone deacetylase 3

    Yijun Zhang, Tao Wu ... Li Wu
    HDAC3 regulates the development of pDCs and maintenance of homeostasis of hematopoietic progenitors with dendritic cell (DC) differentiation potential, mechanistically by repressing cDC1 associated genes in a deacetylase-dependent manner.
    1. Cell Biology

    α-/γ-Taxilin are required for centriolar subdistal appendage assembly and microtubule organization

    Dandan Ma, Fulin Wang ... Jianguo Chen
    Super-resolution microscopy, biochemical and functional analyses reveal how α-taxilin and γ-taxilin are assembled at the subdistal appendages and their roles in microtubule organization.
    1. Cell Biology

    A novel checkpoint pathway controls actomyosin ring constriction trigger in fission yeast

    Tomás Edreira, Rubén Celador ... Yolanda Sánchez
    In fission yeast cell wall stress triggers a cytokinesis blockage specifically in the onset of actomyosin ring constriction.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    The role of Cdc42 and Gic1 in the regulation of septin filament formation and dissociation

    Yashar Sadian, Christos Gatsogiannis ... Stefan Raunser
    Imaging with electron microscopy and cryo-electron tomography reveals that competition between Cdc42 and Gic1 for the same subunit within septins controls the formation and breakdown of septin filaments.
    1. Cell Biology

    The step-wise pathway of septin hetero-octamer assembly in budding yeast

    Andrew Weems, Michael McMurray
    In budding yeast cells, slow monomeric septin GTPase activity and the cytosolic GTP:GDP ratio dictate the relative incorporation of alternative subunits during septin hetero-oligomer assembly, which proceeds by discrete, ordered steps dependent on allostery between interaction interfaces.

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