ArticleJournal of cell science2025
In vitro reconstitution of a minimal human centrosome scaffold capable of forming and clustering microtubule asters.
Article in Journal of cell science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Polo/PLK1 phosphorylation relieves Centrosomin/Cnn autoinhibition to promote centrosome scaffold assembly.The EMBO journal · 2026Article
- Polo-Like Kinase 1 Phosphorylation Tunes the Functional Viscoelastic Properties of the Centrosome Scaffold.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
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6 authors.
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Abstract
CDK5RAP2 (also known as CEP215) is a key pericentriolar material (PCM) protein that recruits microtubule-nucleating factors at human centrosomes. Here, using an in vitro reconstitution system, we show that CDK5RAP2 is sufficient to form micron-scale scaffolds using nanometer-scale nucleators in a PLK-1-regulated manner. CDK5RAP2 assemblies recruited and activated γ-tubulin ring complexes (γ-TuRCs) which, in the presence of α/β-tubulin, generated microtubule asters. We found that amino acid F75 in CDK5RAP2 helps to recruit γ-TuRC and is indispensable for γ-TuRC activation. Furthermore, our system recapitulated key features of centrosome-amplified cancer cells. CDK5RAP2 scaffolds recruited the molecular motor HSET (also known as KifC1), which enhanced concentration of α/β-tubulin, microtubule polymerization and clustering of the assemblies. Our results highlight the specificity and selectivity of in vitro-generated CDK5RAP2 scaffolds, and identify a minimal set of components required for human PCM assembly and function. This minimal model offers a powerful tool for studying centrosome biology and dysfunction in human health and disease.
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