576 results found
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    The homo-oligomerisation of both Sas-6 and Ana2 is required for efficient centriole assembly in flies

    Matthew A Cottee, Nadine Muschalik ... Susan M Lea
    The structure of the Ana2 Central Coiled-Coil Domain provides insight into how centriolar cartwheel components may be recruited and assembled, and indicates that cartwheel assembly involves more than just SAS-6 oligomerisation.
    1. Cell Biology

    De novo centriole formation in human cells is error-prone and does not require SAS-6 self-assembly

    Won-Jing Wang, Devrim Acehan ... Meng-Fu Bryan Tsou
    Canonical centriole duplication is much less prone to errors than de novo synthesis of centrioles, but neither depends on self-oligomerization of the centriole protein SAS-6.
    1. Developmental Biology

    Mouse SAS-6 is required for centriole formation in embryos and integrity in embryonic stem cells

    Marta Grzonka, Hisham Bazzi
    Unlike mouse embryos, mouse embryonic stem cells are able to use a SAS-6-independent pathway for imperfect centriole biogenesis that is associated with a rich centrosomal milieu and robust PLK4 activity.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structure of the SAS-6 cartwheel hub from Leishmania major

    Mark van Breugel, Rainer Wilcken ... Christopher M Johnson
    The X-ray structure of the SAS-6 cartwheel hub from Leishmania major demonstrates that SAS-6 can be sufficient to determine centriolar cartwheel symmetry.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    The dimeric Golgi protein Gorab binds to Sas6 as a monomer to mediate centriole duplication

    Agnieszka Fatalska, Emma Stepinac ... David M Glover
    The dual functional protein, Gorab, associates with the Golgi as a dimer but as a monomer with the procentriole cartwheel protein, Sas6, to mediate centriole duplication.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    The Caenorhabditis elegans protein SAS-5 forms large oligomeric assemblies critical for centriole formation

    Kacper B Rogala, Nicola J Dynes ... Ioannis Vakonakis
    SAS-5 forms oligomers, through a trimeric coiled coil and novel dimeric domain, that are necessary for centriolar localisation of SAS-5 and for centriole duplication.
    1. Cell Biology

    Pericentrin-mediated SAS-6 recruitment promotes centriole assembly

    Daisuke Ito, Sihem Zitouni ... Mónica Bettencourt-Dias
    Newly discovered interaction between fission yeast SPB and animal centriole components reveals that pericentrin not only functions as a microtubule-nucleator, but also promotes centriole assembly in animals.
    1. Immunology and Inflammation

    Down-regulated GAS6 impairs synovial macrophage efferocytosis and promotes obesity-associated osteoarthritis

    Zihao Yao, Weizhong Qi ... Haiyan Zhang
    Down-regulation of GAS6 by M1 macrophages resulted in impaired efferocytosis for synovial apoptotic cells, causing synovial hyperplasia and obesity-associated OA development.
    1. Cell Biology

    Re-examining the role of Drosophila Sas-4 in centrosome assembly using two-colour-3D-SIM FRAP

    Paul T Conduit, Alan Wainman ... Jordan W Raff
    Building on previous work (Conduit et al., 2014), and contrary to what was previously thought, it is shown that key centrosomal proteins are not recruited to centrosomes as part of large multi-protein assemblies.
    1. Computational and Systems Biology
    2. Neuroscience

    On the objectivity, reliability, and validity of deep learning enabled bioimage analyses

    Dennis Segebarth, Matthias Griebel ... Robert Blum
    A comparison of different bioimage analysis pipelines reveals how deep learning can be used for automatized and reliable analysis of fluorescent features in biological datasets.

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