Raphidocelis subcapitata

Raphidocelis subcapitata
Scientific classification
(unranked):	Viridiplantae
Division:	Chlorophyta
Class:	Chlorophyceae
Order:	Sphaeropleales
Family:	Selenastraceae
Genus:	Raphidocelis
Species:	R. subcapitata
Binomial name
	Raphidocelis subcapitata; (Korshikov) Nygaard, Komárek, J.Kristiansen & O.M.Skulberg
Synonyms
	Kirchneriella subcapitata Korshikov; Pseudokirchneriella subcapitata (Korshikov) Hindák;

Raphidocelis subcapitata, formerly known as Selenastrum capricornutum and Pseudokirchneriella subcapitata is a microalga.^[1] This microalga presents a curved and twisted appearance like a sickle. The cells are normally presented in a solitary form in culture, although it may also be present in small colonies. It has a length between 7 and 15 μm, and a width between 1.2 and 3 μm. A single chloroplast is present, filling nearly the entire cell; it lacks a pyrenoid.^[2] It is commonly used as a bioindicator species to assess the levels of nutrients or toxic substances in fresh water environments. This species is quite sensitive to the presence of toxic substances including metals and has a ubiquitous distribution, so is broadly used in ecotoxicology.^[3]^[4] This species has been found to be more competitive than Chlorella vulgaris at low sodium chloride concentrations, but C. vulgaris was more competitive under salt stress.^[5]^{[non-primary source needed]}

References

^ M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2013. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 2 May 2013.
^ Komárek, J.; Fott, B. (1983). Chlorophyceae (Grünalgen), Ordnung Chlorococcales. Das Phytoplankton des Süßwassers (in German). E. Schweizerbart'sche Verlagsbuchhandlung. p. 1044.
^ "Selenastrum". Archived from the original on 12 December 2011. Retrieved 9 February 2012.
^ Heijerick, D.G.; De Schamphelaere, K.A.C.; Janssen, C.R. (September 2002). "Biotic ligand model development predicting Zn toxicity to the alga Pseudokirchneriella subcapitata: possibilities and limitations". Comparative Biochemistry and Physiology C. 133 (1–2): 207–218. doi:10.1016/S1532-0456(02)00077-7. PMID 12356528.
^ Venâncio, C.; Anselmo, E.; Soares, A.; Lopes, I. (1 February 2017). "Does increased salinity influence the competitive outcome of two producer species?". Environmental Science and Pollution Research. 24 (6): 5888–5897. doi:10.1007/s11356-016-8346-x. ISSN 0944-1344. PMID 28064393. S2CID 26518865.

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[1] M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2013. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 2 May 2013.

[Komarek_Fott-2] Komárek, J.; Fott, B. (1983). Chlorophyceae (Grünalgen), Ordnung Chlorococcales. Das Phytoplankton des Süßwassers (in German). E. Schweizerbart'sche Verlagsbuchhandlung. p. 1044.

[3] "Selenastrum". Archived from the original on 12 December 2011. Retrieved 9 February 2012.

[4] Heijerick, D.G.; De Schamphelaere, K.A.C.; Janssen, C.R. (September 2002). "Biotic ligand model development predicting Zn toxicity to the alga Pseudokirchneriella subcapitata: possibilities and limitations". Comparative Biochemistry and Physiology C. 133 (1–2): 207–218. doi:10.1016/S1532-0456(02)00077-7. PMID 12356528.

[5] Venâncio, C.; Anselmo, E.; Soares, A.; Lopes, I. (1 February 2017). "Does increased salinity influence the competitive outcome of two producer species?". Environmental Science and Pollution Research. 24 (6): 5888–5897. doi:10.1007/s11356-016-8346-x. ISSN 0944-1344. PMID 28064393. S2CID 26518865.

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Raphidocelis subcapitata

References

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