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Rhopalosolen

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Genus of algae

Rhopalosolen
Rhopalosolen cylindricus
Scientific classification Edit this classification
Clade: Viridiplantae
Division: Chlorophyta
Class: Trebouxiophyceae
Order: incertae sedis
Family: incertae sedis
Genus: Rhopalosolen
Fott, 1957
Type species
Rhopalosolen cylindricus
(F.D.Lambert) Fott
Species

Rhopalosolen is a genus of green algae in the class Trebouxiophyceae. It is found in freshwater habitats, and is epizoic or epiphytic on various substrates such as rotifers, nematodes, cladocerans, copepods, fungal hyphae, plants, or other algae.

Description

Rhopalosolen consists of singular cells attached to a substrate. The cells are cylindrical or club-shaped, about 80–430 µm long and 10–45 µm wide when mature, somewhat tapered at the base and broadly rounded at the apex. At the base, the cells are attached to the substrate via a mucilaginous pad. Cells contain a single chloroplast lining the inside of the cell; the chloroplast is initially plate-like but may become dissected with age, and divide into multiple pieces during reproduction. Multiple pyrenoids are present. Adult cells are coenocytic, with multiple nuclei. Species are distinguished from each other based on the size and shape of the cells.

Reproduction occurs asexually and sexually. In asexual reproduction, biflagellate zoospores are produced that escape through a tear in the mother cell wall near the apex. Sexual reproduction has been observed in the type species, R. cylindricus, and is anisogamous.

References

  1. ^ Guiry, M.D.; Guiry, G.M. "Rhopalosolen". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. Retrieved 2022-02-28.
  2. Ramos, Geraldo José Peixoto; De Mattos Bicudo, Carlos Eduardo; Do Nascimento Moura, Carlos Wallace (2017). "Algae in phytotelmata from Caatinga: First record of the genus Rhopalosolen Fott (Chlorophyta) for Brazil". Check List. 13 (5): 403–410. doi:10.15560/13.5.403.
  3. ^ Komárek, J.; Fott, B. (1983). Chlorophyceae (Grünalgen), Ordnung Chlorococcales. Das Phytoplankton des Süßwassers (in German). E. Schweizerbart'sche Verlagsbuchhandlung. p. 1044.
Taxon identifiers
Rhopalosolen


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