99 results found
    1. Cell Biology

    Co-translational protein targeting facilitates centrosomal recruitment of PCNT during centrosome maturation in vertebrates

    Guadalupe Sepulveda, Mark Antkowiak ... Li-En Jao
    During centrosome maturation, pericentrin is delivered to the centrosome co-translationally by a microtubule- and dynein-dependent process, as pericentrin mRNA is undergoing active translation near the centrosome.
    1. Cell Biology

    Evidence that a positive feedback loop drives centrosome maturation in fly embryos

    Ines Alvarez-Rodrigo, Thomas L Steinacker ... Jordan W Raff
    Polo kinase recruitment by the protein Spd-2 to the pericentriolar scaffold is a key element of the positive feedback loop which drives the expansion of the mitotic centrosomes in flies.
    1. Cell Biology

    A novel Cep120-dependent mechanism inhibits centriole maturation in quiescent cells

    Ewelina Betleja, Rashmi Nanjundappa ... Moe R Mahjoub
    Cells have evolved a mechanism that actively regulates centriole maturation during quiescence.
    1. Cell Biology
    2. Developmental Biology

    A molecular mechanism of mitotic centrosome assembly in Drosophila

    Paul T Conduit, Jennifer H Richens ... Jordan W Raff
    The proteins DSpd-2 and Centrosomin assemble into dynamic scaffolds that build from the inside out around the mother centriole and support centrosome maturation.
    1. Cell Biology

    A two-step mechanism for the inactivation of microtubule organizing center function at the centrosome

    Jérémy Magescas, Jenny C Zonka, Jessica L Feldman
    The microtubule organizing potential of the centrosome is inactivated in a stepwise process through phosphatase activity and mechanical disruption to remove an aging matrix of proteins.
    1. Developmental Biology

    TALPID3 controls centrosome and cell polarity and the human ortholog KIAA0586 is mutated in Joubert syndrome (JBTS23)

    Louise A Stephen, Hasan Tawamie ... Hanno J Bolz
    Mutations in KIAA0586 (TALPID3) cause a severe ciliopathy called Joubert syndrome that affects organ, cell and centrosome polarity.
    1. Cell Biology

    BUB-1 promotes amphitelic chromosome biorientation via multiple activities at the kinetochore

    Frances Edwards, Gilliane Maton ... Julien Dumont
    During chromosome segregation, BUB-1 performs multiple roles.
    1. Cell Biology
    2. Developmental Biology

    Developmental alterations in centrosome integrity contribute to the post-mitotic state of mammalian cardiomyocytes

    David C Zebrowski, Silvia Vergarajauregui ... Felix B Engel
    Mammal hearts are unable to replace lost cardiomyocytes, which may be due to the loss of centrosome integrity in these cells after birth.
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    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. Cell Biology

    Orderly assembly underpinning built-in asymmetry in the yeast centrosome duplication cycle requires cyclin-dependent kinase

    Marco Geymonat, Qiuran Peng ... Marisa Segal
    The polarized orientation of the mitotic spindle in budding yeast arises from spindle pole structural and functional asymmetry subject to cell cycle control.

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