ArticleMolecular biology of the cell2026
Local RhoA activation induces anillin-independent septin recruitment in interphase cells.
Article in Molecular biology of the cell, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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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1 citing paper in PubMed.
- Septin crosstalk with microtubules and actin is regulated by a GSK3-dependent phosphoswitch.bioRxiv : the preprint server for biology · 2026Article
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6 authors.
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Abstract
The regulation of the actin cytoskeleton is key to controlling cell shape and structure. While the Rho GTPase RhoA is well known to regulate the actomyosin cytoskeleton, its function in controlling the septin cytoskeleton remains unclear. As RhoA interactions can vary in both time and space, they can be challenging to discern from traditional bulk biochemical assays. Here, we use multiple optogenetic tools to spatially and temporally increase myosin localization, stimulate contractile force, and activate RhoA to investigate how RhoA and its downstream effector myosin impact the septin cytoskeleton. We find that neither local accumulation of myosin nor increased activity of myosin is sufficient to alter septin architecture. Local activation of RhoA, however, results in a local increase in septin accumulation. Importantly, this septin increase is independent of the scaffolding protein anillin, which can directly bind both septin and RhoA. Together, these data expand the potential role of septins in mediating RhoA signaling by stimulating the remodeling of the septin cytoskeleton.
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