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    1. Cell Biology

    Microtubule plus-ends act as physical signaling hubs to activate RhoA during cytokinesis

    Vikash Verma, Thomas J Maresca
    MT plus-end-mediated recruitment of a cortical pool of ECT2 trigger RhoA activation upon contact, which results in localized contractility during cytokinesis.
    1. Cell Biology

    Atypical peripheral actin band formation via overactivation of RhoA and nonmuscle myosin II in mitofusin 2-deficient cells

    Yueyang Wang, Lee D Troughton ... Qing Deng
    Mfn2 depletion upregulates cytosolic Ca2+ in mouse fibroblast cells, leading to RhoA and nonmuscle myosin II overactivation and a prominent peripheral actin band structure, which is dependent on the contractile force on the cell–substrate interface.
    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. Cancer Biology
    2. Chromosomes and Gene Expression

    Co-regulation and function of FOXM1/RHNO1 bidirectional genes in cancer

    Carter J Barger, Linda Chee ... Adam R Karpf
    FOXM1 is co-expressed with its bidirectional gene partner RHNO1, and the two genes promote DNA repair, cell growth and survival, and chemotherapy resistance in ovarian cancer.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Cell Signaling: Uncovering the secret life of Rho GTPases

    Jenna A Perry, Amy Shaub Maddox
    New methods to directly visualize Rho GTPases reveal how a protein called RhoGDI regulates the activity of these 'molecular switches' at the plasma membrane.
    Version of Record
    Insight
    1. Cell Biology
    2. Neuroscience

    Action potential-coupled Rho GTPase signaling drives presynaptic plasticity

    Shataakshi Dube O'Neil, Bence Rácz ... Scott H Soderling
    Proteomic and genetic analysis discovers a new cytoskeletal mechanism of presynaptic short-term plasticity common across neuronal cell types.
    1. Stem Cells and Regenerative Medicine

    Disease modeling and pharmacological rescue of autosomal dominant retinitis pigmentosa associated with RHO copy number variation

    Sangeetha Kandoi, Cassandra Martinez ... Deepak A Lamba
    Stem cell-derived retinal organoids are a useful tool to understand the pathobiology of devastating retinal degenerations and can aid to identify and validate therapeutics to promote rescue.
    1. Developmental Biology
    2. Neuroscience

    p75NTR prevents the onset of cerebellar granule cell migration via RhoA activation

    Juan P Zanin, Wilma J Friedman
    The p75 neurotrophin receptor prevents the migration of the granule cell precursors away from its mitogenic niche in the external granule layer of the cerebellum, by maintaining a pool of undifferentiated cells capable of responding to mitogenic signals.
    1. Genetics and Genomics

    Allele-specific gene-editing approach for vision loss restoration in RHO-associated retinitis pigmentosa

    Xiaozhen Liu, Jing Qiao ... Liping Yang
    The allele-specific gene-editing drug is expected to make RHO-T17M-associated retinitis pigmentosa therapy a reality.
    1. Neuroscience

    Rho GTPase signaling and mDia facilitate endocytosis via presynaptic actin

    Kristine Oevel, Svea Hohensee ... Volker Haucke
    Genetic and pharmacological tools are used to dissect the mechanisms by which the presynaptic actin cytoskeleton facilitates membrane internalization at synapses and, thereby, neurotransmission.