Biology:Tetradesmus obliquus

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Short description: Species of green algae

Tetradesmus obliquus
Tetradesmus obliquus as Scenedesmus acutus.JPG
Tetradesmus obliquus (as Scenedesmus acutus), drawn by Carl Nägeli in 1849)
Scientific classification edit
(unranked): Viridiplantae
Division: Chlorophyta
Class: Chlorophyceae
Order: Sphaeropleales
Family: Scenedesmaceae
Genus: Tetradesmus
Species:
T. obliquus
Binomial name
Tetradesmus obliquus
(Turpin) M.J.Wynne, 2016
Synonyms
  • Scenedesmus obliquus (Turpin) Kützing
  • Acutodesmus obliquus (Turpin) Hegewald & Hanagata

Tetradesmus obliquus is a green algae species of the family Scenedesmaceae.[1] It is commonly known by its synonym, Scenedesmus obliquus.[1][2] It is a common species found in a variety of freshwater habitats.[1]

Tetradesmus obliquus forms colonies of two or four (occasionally eight) cells in a single row; in culture, solitary cells are often present. Cells are spindle-shaped, (4–)6–15(–25) μm long and 2.2–9.6(–11) μm wide; cells taper to acute apices and are sometimes slightly asymmetrical.[3] Cells contain a single chloroplast filling the cell, with a pyrenoid present in the center.[4]

This chlorophyte species is notable for the genetic coding of its mitochondria which translate TCA as a stop codon and TAG as leucine.[5] This code is represented by NCBI translation table 22, Scenedesmus obliquus mitochondrial code.[6]

There is increasing interest in T. obliquus for uses in biotechnology, such as biofuel production, aquaculture, and wastewater treatment.[4] Both growth and photosynthesis of T. obliquus are affected by the presence of nano-sized microplastics, such as nano-polystyrene (nano-PS).[7]

See also

References

  1. 1.0 1.1 1.2 Guiry, M.D.; Guiry, G.M., "Tetradesmus obliquus", AlgaeBase (World-wide electronic publication, National University of Ireland, Galway), https://www.algaebase.org/search/species/detail/?species_id=158061, retrieved 2023-12-17 
  2. Calhoun, Sara; Kamel, Bishoy; Edmundson, Scott; Holguin, Omar; Mach, Phillip; McKie-Krisberg, Zaid; Baumgart, Leo; Blaby, Ian et al. (2023-06-16) (in en). A Multi-omic Characterization of the Physiological Responses to Salt Stress in Scenedesmus obliquus UTEX393. doi:10.21203/rs.3.rs-3035076/v1. https://www.researchsquare.com/. Retrieved 2023-07-13. 
  3. The freshwater algal flora of the British Isles: an identification guide to freshwater and terrestrial algae. Cambridge University Press. 2002. ISBN 978-0-521-77051-4. 
  4. 4.0 4.1 Oliveira, Carlos Yure B.; Oliveira, Cicero Diogo L.; Prasad, Ravindra; Ong, Hwai C.; Araujo, Evando S.; Shabnam, Nisha; Gálvez, Alfredo O. (2021). "A multidisciplinary review of Tetradesmus obliquus: A microalga suitable for large-scale biomass production and emerging environmental applications". Reviews in Aquaculture 13 (3): 1594–1618. doi:10.1111/raq.12536. Bibcode2021RvAq...13.1594O. 
  5. A. M. Nedelcu; R. W. Lee; G. Lemieux; M. W. Gray; G. Burger (June 2000). "The complete mitochondrial DNA sequence of Scenedesmus obliquus reflects an intermediate stage in the evolution of the green algal mitochondrial genome". Genome Research 10 (6): 819–31. doi:10.1101/gr.10.6.819. PMID 10854413. 
  6. Elzanowski, Andrzej; Ostell, Jim; Leipe, Detlef; Soussov, Vladimir. "The Genetic Codes". Taxonomy browser. National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine. https://www.ncbi.nlm.nih.gov/Taxonomy/taxonomyhome.html/index.cgi?chapter=tgencodes#thetop. 
  7. E. Besseling; Bo Wang; M. Lürling; A. Koelmans (30 September 2014). "Nanoplastic Affects Growth of S. obliquus and Reproduction of D. magna reflects an intermediate stage in the evolution of the green algal mitochondrial genome". Environmental Science & Technology 48 (20): 12336–12343. doi:10.1021/es503001d. PMID 25268330. 

Wikidata ☰ Q28431605 entry