ArticleJournal of cell science2021
Dia- and Rok-dependent enrichment of capping proteins in a cortical region.
Article in Journal of cell science, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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Who cites it
6 citing papers in PubMed, 9 citations in OpenAlex.
- Ecdysone signaling-induced dumpless1 expression controls nurse cell dumping in Drosophila oogenesis.Nature communications · 2025Article
- Actomyosin contraction in the follicular epithelium provides the major mechanical force for follicle rupture duringProceedings of the National Academy of Sciences of the United States of America · 2024Article
- Kinesin-1 patterns Par-1 and Rho signaling at the cortex of syncytial embryos of Drosophila.The Journal of cell biology · 2024Article
- Reshaping the Syncytial Drosophila Embryo with Cortical Actin Networks: Four Main Steps of Early Development.Results and problems in cell differentiation · 2024Review
- An acytokinetic cell division creates PIP2-enriched membrane asymmetries leading to slit diaphragm assembly in Drosophila nephrocytes.Development (Cambridge, England) · 2023Article
- Swip-1 promotes exocytosis of glue granules in the exocrine Drosophila salivary gland.Journal of cell science · 2023Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
Abstract
Rho signaling with its major targets the formin Dia, Rho kinase (Rok) and non-muscle myosin II (MyoII, encoded by zip in flies) control turnover, amount and contractility of actomyosin. Much less investigated has been a potential function for the distribution of F-actin plus and minus ends. In syncytial Drosophila embryos, Rho1 signaling is high between actin caps, i.e. the cortical intercap region. Capping protein binds to free plus ends of F-actin to prevent elongation of the filament. Capping protein has served as a marker to visualize the distribution of F-actin plus ends in cells and in vitro. In the present study, we probed the distribution of plus ends with capping protein in syncytial Drosophila embryos. We found that capping proteins are specifically enriched in the intercap region similar to Dia and MyoII but distinct from overall F-actin. The intercap enrichment of Capping protein was impaired in dia mutants and embryos, in which Rok and MyoII activation was inhibited. Our observations reveal that Dia and Rok-MyoII control Capping protein enrichment and support a model that Dia and Rok-MyoII control the organization of cortical actin cytoskeleton downstream of Rho1 signaling. This article has an associated First Person interview with the first authors of the paper.
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Registered trials
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