Chaetoceros coarctatus

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Chaetoceros coarctatus
Scientific classification OOjs UI icon edit-ltr.svg
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 2 Lauder, Henry Scott (Jan 1864). "Remarks on the Marine Diatomaceae found at Hong Kong, with Descriptions of new Species" . Transactions of the Microscopical Society & Journal. 12 (1): 75–79. doi:10.1111/j.1365-2818.1864.tb01628.x.
  2. ↑ Sardet, Christian (5 June 2015). Rafael D. Rosengarten; Theodore Rosengarten (eds.). Plankton: Wonders of the Drifting World. Translated by Christian Sardet; Dana Sardet. Chicago: University of Chicago Press. p. 46. ISBN   978-0-226-18871-3. OCLC   889996855.
  3. ↑ "Chaetoceros coarctatus Lauder, 1864". Ocean Biodiversity Information System. Retrieved 23 October 2022.
  4. ↑ Gómez, Fernando (2008-04-01). "Phytoplankton invasions: Comments on the validity of categorizing the non-indigenous dinoflagellates and diatoms in European Seas" . Marine Pollution Bulletin. 56 (4): 620–628. Bibcode:2008MarPB..56..620G. doi:10.1016/j.marpolbul.2007.12.014. ISSN   0025-326X. PMID   18295804.
  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". Scientific Reports. 12 (1): 7568. Bibcode:2022NatSR..12.7568O. doi:10.1038/s41598-022-11484-2. ISSN   2045-2322. PMC   9085750 . PMID   35534511.
  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" . Algae. 26 (2): 153–165. Bibcode:2011Algae..26..153L. doi:10.4490/algae.2011.26.2.153. ISSN   1226-2617.


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