Biology:Chaetoceros coarctatus

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Short description: Species of single-celled organism

Chaetoceros coarctatus
Scientific classification edit
Domain: Eukaryota
Clade: Diaphoretickes
Clade: SAR
Clade: Stramenopiles
Phylum: Gyrista
Subphylum: Ochrophytina
Class: Bacillariophyceae
Order: incertae sedis
Family: Chaetocerotaceae
Genus: Chaetoceros
Species:
C. coarctatus
Binomial name
Chaetoceros coarctatus
Lauder, 1864[1]

Chaetoceros coarctatus is a marine, unicellular species of planktonic diatom in the genus Chaetoceros, first described by Lauder in January 1864 using samples from the Hong Kong harbor.[1] Like many diatoms, it is preyed upon by ctenophores.[2][3] During warming periods of the Mediterranean Sea, this non-native species, first introduced through the Suez Canal, expands its range.[4] Cell chains showcase pairs of posterior and anterior terminal setae, as well as intercalary setae, for anti-predatory mechanical protection and floating benefits.[5] These silica appendages have spines, curved tips, and are longer those on other members of the Chaetoceros genus for higher survival benefits.[6]

References

  1. 1.0 1.1 Lauder, Henry Scott (Jan 1864). "Remarks on the Marine Diatomaceae found at Hong Kong, with Descriptions of new Species" (in en). Transactions of the Microscopical Society & Journal 12 (1): 75–79. doi:10.1111/j.1365-2818.1864.tb01628.x. https://onlinelibrary.wiley.com/doi/10.1111/j.1365-2818.1864.tb01628.x. 
  2. Sardet, Christian (5 June 2015). Plankton: Wonders of the Drifting World. Edited by Rafael D. Rosengarten and Theodore Rosengarten. Translated from French by Christian Sardet and Dana Sardet. Chicago: University of Chicago Press. pp. 46. ISBN 9780226188713. OCLC 889996855. 
  3. "Chaetoceros coarctatus Lauder, 1864". https://obis.org/taxon/178180. 
  4. Gómez, Fernando (2008-04-01). "Phytoplankton invasions: Comments on the validity of categorizing the non-indigenous dinoflagellates and diatoms in European Seas" (in en). Marine Pollution Bulletin 56 (4): 620–628. doi:10.1016/j.marpolbul.2007.12.014. ISSN 0025-326X. PMID 18295804. https://www.sciencedirect.com/science/article/pii/S0025326X08000064. 
  5. Owari, Yuka; Nakamura, Fumi; Oaki, Yuya; Tsuda, Hiroyuki; Shimode, Shinji; Imai, Hiroaki (2022-05-09). "Ultrastructure of setae of a planktonic diatom, Chaetoceros coarctatus" (in en). Scientific Reports 12 (1): 7568. doi:10.1038/s41598-022-11484-2. ISSN 2045-2322. PMID 35534511. Bibcode2022NatSR..12.7568O. 
  6. Lee, Sang-Deuk; Lee, Jin-Hwan (2011). "Morphology and taxonomy of the planktonic diatom Chaetoceros species (Bacillariophyceae) with special intercalary setae in Korean coastal waters" (in English). Algae 26 (2): 153–165. doi:10.4490/algae.2011.26.2.153. ISSN 1226-2617. https://www.e-algae.org/journal/view.php?doi=10.4490/algae.2011.26.2.153. 

Wikidata ☰ Q61999171 entry