61 results found
    1. Developmental Biology
    2. Neuroscience

    MiRNA-128 regulates the proliferation and neurogenesis of neural precursors by targeting PCM1 in the developing cortex

    Wei Zhang, Paul Jong Kim ... Li Zeng
    During early cortical development, microRNA-128 regulates the homeostasis of neural stem cells by targeting PCM1, a protein that is critical for cell division.
    1. Cell Biology

    Self-assembly of pericentriolar material in interphase cells lacking centrioles

    Fangrui Chen, Jingchao Wu ... Anna Akhmanova
    In the absence of centrioles, components of pericentriolar material can self-organize into a single compact microtubule-organizing center through dynein-mediated transport of pericentrin-containing protein complexes if CAMSAP- and Golgi-mediated pathways of microtubule minus-end stabilization and anchoring are disabled.
    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
    2. Developmental Biology

    GJA1 depletion causes ciliary defects by affecting Rab11 trafficking to the ciliary base

    Dong Gil Jang, Keun Yeong Kwon ... Tae Joo Park
    Ciliogenesis requires a gap junction protein (GJA1) mediated ciliary vesicle deposition and CP110 removal.
    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
    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 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

    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. Cell Biology

    Kazrin promotes dynein/dynactin-dependent traffic from early to recycling endosomes

    Ines Hernandez-Perez, Javier Rubio ... María Isabel Geli
    Kazrin, a protein widely expressed in vertebrates whose depletion causes defects in cell adhesion and migration, is recruited to early endosomes and promotes dynein/dynactin-dependent traffic of endocytosed cargo to the recycling endosomes.
    1. Cell Biology

    Centriolar SAS-7 acts upstream of SPD-2 to regulate centriole assembly and pericentriolar material formation

    Kenji Sugioka, Danielle R Hamill ... Bruce Bowerman
    A genetic screen and live cell imaging show that a newly identified coiled-coil protein called SAS-7 is the earliest acting factor in centriole assembly yet identified in the roundworm Caenorhabditis elegans.

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