ArticleCommunications biology2024
Gliding motility of the diatom Craspedostauros australis coincides with the intracellular movement of raphid-specific myosins.
Article in Communications biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- From indicators to governance: a pressure-condition-response framework reveals nonlinear ecological responses to multiple stressors in an agricultural-urban basin.Environmental monitoring and assessment · 2026Article
- Distinct motors, shared mechanics: unifying principles of microbial gliding.Journal of bacteriology · 2026Review
- Dynamic switching of cell-substrate contact sites allows gliding diatoms to modulate the curvature of their paths.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Ice gliding diatoms establish record-low temperature limits for motility in a eukaryotic cell.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Recent Advances in Understanding the Sex Pheromone-Mediated Communication of Diatoms.ChemPlusChem · 2025Review
- Functional morphology of gliding motility in benthic diatoms.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
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Authors and funding
10 authors.
Funding
Abstract
Raphid diatoms are one of the few eukaryotes capable of gliding motility, which is remarkably fast and allows for quasi-instantaneous directional reversals. Besides other mechanistic models, it has been suggested that an actomyosin system provides the force for diatom gliding. However, in vivo data on the dynamics of actin and myosin in diatoms are lacking. In this study, we demonstrate that the raphe-associated actin bundles required for diatom movement do not exhibit a directional turnover of subunits and thus their dynamics do not contribute directly to force generation. By phylogenomic analysis, we identified four raphid diatom-specific myosins in Craspedostauros australis (CaMyo51A-D) and investigated their in vivo localization and dynamics through GFP-tagging. Only CaMyo51B-D but not CaMyo51A exhibited coordinated movement during gliding, consistent with a role in force generation. The characterization of raphid diatom-specific myosins lays the foundation for unraveling the molecular mechanisms that underlie the gliding motility of diatoms.
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