ArticleMolecular biology of the cell2007
Regulation of cell diameter, For3p localization, and cell symmetry by fission yeast Rho-GAP Rga4p.
Article in Molecular biology of the cell, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers.
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Who cites it
53 citing papers in PubMed, 112 citations in OpenAlex.
- Differential gene expression drives cell-cycle-dependent transition from monopolar to bipolar growth in Schizosaccharomyces pombe.G3 (Bethesda, Md.) · 2026Article
- Constitutively active RAS prolongs Cdc42 signalling, while MAPK signalling is attenuated during fission yeast mating.PLoS genetics · 2026Article
- Control of stress-activated Cdc42 dynamics by the MAP kinase Sty1-NDR kinase Orb6 regulatory axis.iScience · 2025Article
- Cdc42 mobility and membrane flows regulate fission yeast cell shape and survival.Nature communications · 2024Article
- Arp2/3-dependent endocytosis ensures Cdc42 oscillations by removing Pak1-mediated negative feedback.The Journal of cell biology · 2024Article
- Structural basis for the distinct roles of non-conserved Pro116 and conserved Tyr124 of BCH domain of yeast p50RhoGAP.Cellular and molecular life sciences : CMLS · 2024Article
- The Arp2/3 complex promotes periodic removal of Pak1-mediated negative feedback to facilitate anticorrelated Cdc42 oscillations.bioRxiv : the preprint server for biology · 2023Article
- Design principles of Cdr2 node patterns in fission yeast cells.Molecular biology of the cell · 2023Article
- Design principles of Cdr2 node patterns in fission yeast cells.bioRxiv : the preprint server for biology · 2023Article
- Cdc42 prevents precocious Rho1 activation during cytokinesis in a Pak1-dependent manner.Journal of cell science · 2023Article
- Article
- Characterizing non-exponential growth and bimodal cell size distributions in fission yeast: An analytical approach.PLoS computational biology · 2022Article
- Sequestration of the exocytic SNARE Psy1 into multiprotein nodes reinforces polarized morphogenesis in fission yeast.Molecular biology of the cell · 2021Article
- Cdc42 reactivation at growth sites is regulated by local cell-cycle-dependent loss of its GTPase-activating protein Rga4 in fission yeast.Journal of cell science · 2021Article
- Cdc42 GTPase-activating proteins (GAPs) regulate generational inheritance of cell polarity and cell shape in fission yeast.Molecular biology of the cell · 2021Article
- Cell patterning by secretion-induced plasma membrane flows.Science advances · 2021Article
- Wake-up alarm: virtual time-lapse gene expression landscape illuminates mechanisms underlying dormancy breaking of germinating spores.Current genetics · 2021Review
- Review
- Activation of Cdc42 GTPase upon CRY2-Induced Cortical Recruitment Is Antagonized by GAPs in Fission Yeast.Cells · 2020Article
- Fission yeast Pak1 phosphorylates anillin-like Mid1 for spatial control of cytokinesis.The Journal of cell biology · 2020Article
Corrections and comments
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Control of cellular dimensions and cell symmetry are critical for development and differentiation. Here we provide evidence that the putative Rho-GAP Rga4p of Schizosaccharomyces pombe controls cellular dimensions. rga4 Delta cells are wider in diameter and shorter in length, whereas Rga4p overexpression leads to reduced diameter of the growing cell tip. Consistent with a negative role in cell growth control, Rga4p protein localizes to the cell sides in a "corset" pattern, and to the nongrowing cell tips. Additionally, rga4 Delta cells show an altered growth pattern similar to that observed in mutants of the formin homology protein For3p. Consistent with these observations, Rga4p is required for normal localization of For3p and for normal distribution of the actin cytoskeleton. We show that different domains of the Rga4p protein mediate diverse morphological functions. The C-terminal GAP domain mediates For3p localization to the cell tips and maintains cell diameter. Conversely, overexpression of the N-terminal LIM homology domain of Rga4p promotes actin cable formation in a For3p-dependent manner. Our studies indicate that Rga4p functionally interacts with For3p and has a novel function in the control of cell diameter and cell growth.
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