ArticleScientific reports2019
Contribution of frustules and mucilage trails to the mobility of diatom Navicula sp.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Development of alkyd-based copper sorbate coatings for anti-corrosion and anti-biofouling applications.Frontiers in chemistry · 2026Article
- Regional γ Diversity of Diatoms in Mediterranean and Alpine Temporary Ponds.Microbial ecology · 2025Article
- Cooperative motility, force generation and mechanosensing in a foraging non-photosynthetic diatom.Open biology · 2023Article
- Bioactive Molecules from Marine Diatoms and Their Value for the Nutraceutical Industry.Nutrients · 2023Review
- Extracellular hyaluronate pressure shaped by cellular tethers drives tissue morphogenesis.Cell · 2021Article
- Morphology and Mechanical Properties of Fossil Diatom Frustules from Genera ofNanomaterials (Basel, Switzerland) · 2021Article
- Numerical and Experimental Study of the Mechanical Response of Diatom Frustules.Nanomaterials (Basel, Switzerland) · 2020Article
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5 authors.
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Abstract
The secreted mucilage trails of the diatom Navicula sp. in the process of motility were studied by scanning electron microscopy (SEM), transmission electron microscope (TEM), atomic force microscopy (AFM) and Raman spectra etc. Contrary to previous studies, force measurement was taken directly on the mucilage trails of live cells using the method of in situ force mapping by AFM. The retraction force curve presented an increased tip-substrate peak and a small saw-tooth pattern tip-mucilage peak. Especially, same measurements on various substrates with different surface energy revealed that the mucilage trails actually functioned as a medium increasing the adhesive force between the diatom and substrates, which is crucial to diatom's adhesion and locomotion. In addition, the mechanical properties of mucilage trails were quite different from mucilage strands in the maximum adhesive force and the maximum polymer extension length. Raman spectra indicated the difference in compositions that both of the two kinds of mucilages had proteins and polysaccharide, but the mucilage strands contained some other components with C=O, -CH
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