Perkinsus
{{Short description|Genus of single-celled organisms}}
{{Automatic taxobox
|taxon=Perkinsus
|authority=Levine, 1978
}}
Perkinsus is a genus of alveolates in the phylum Perkinsozoa. The genus was erected in 1978 to better treat its type species, Perkinsus marinus, known formerly as Dermocystidium marinum.{{cite journal | last1 = Villalba | first1 = A. | display-authors = etal | year = 2004 | title = Perkinsosis in molluscs: a review | url = http://digital.csic.es/bitstream/10261/25111/1/10.1.1.112.5446.pdf | journal = Aquatic Living Resources | volume = 17 | issue = 4| pages = 411–32 | doi=10.1051/alr:2004050}} These are parasitic protozoans that infect molluscs, at least some of which cause disease and mass mortality. P. marinus is the most notorious, causing the disease perkinsosis, or dermo, in wild and farmed oysters.Petty, D. [http://edis.ifas.ufl.edu/fa178 Perkinsus Infections of Bivalve Molluscs.] FA178. Fisheries and Aquatic Sciences. Florida Cooperative Extension Service. University of Florida IFAS. 2010.
Description
Perkinsus is a genus in the class Perkinsea that is a parasite of bivalve molluscs; it displays a number of features typical of the dinoflagellates including laterally inserted heterodynamic flagella,. However, it has been settled that Perkinsus does not belong to the phylum Dinoflagellata, but rather into the phylum Perkinsozoa,{{cite journal|last1=Norén|first1=Fredrik|last2=Moestrup|first2=Øjvind|last3=Rehnstam-Holm|first3=Ann-Sofi|title=Parvilucifera infectans Norén et Moestrup gen. et sp. nov. (Perkinsozoa phylum nov.): a parasitic flagellate capable of killing toxic microalgae|journal=European Journal of Protistology|date=October 1999|volume=35|issue=3|pages=233–254|doi=10.1016/S0932-4739(99)80001-7}} which is the sister group of dinoflagellates.
Classification
As of 2004, six valid species were in the genus. At least two more have been described since then.{{cite journal | last1 = Moss | first1 = J. A. | display-authors = etal | year = 2008 | title = Description of Perkinsus beihaiensis n. sp., a new Perkinsus sp. parasite in oysters of southern China | url = http://www.vims.edu/people/small_jm/pubs/JEU_07-3671.PDF | journal = Journal of Eukaryotic Microbiology | volume = 55 | issue = 2| pages = 117–30 | doi=10.1111/j.1550-7408.2008.00314.x| pmid = 18318865 | s2cid = 27201960 }}{{cite journal | last1 = Dungan | first1 = C. F. | last2 = Reece | first2 = K. S. | year = 2006 | title = In vitro propagation of two Perkinsus spp. parasites from Japanese Manila clams, Venerupis philippinarum, and description of Perkinsus honshuensis n. sp | journal = J Eukaryot Microbiol | volume = 53 | issue = 5| pages = 316–26 | pmid = 16968449 | doi=10.1111/j.1550-7408.2006.00120.x| s2cid = 20733450 }}
Species and common hosts include:
- Perkinsus andrewsi on Baltic clam (Macoma balthica){{cite journal | last1 = Coss | first1 = C. A. | display-authors = etal | year = 2001 | title = Description of Perkinsus andrewsi n. sp. isolated from the Baltic clam (Macoma balthica) by characterization of the ribosomal RNA locus, and development of a species-specific PCR-based diagnostic assay | journal = J Eukaryot Microbiol | volume = 48 | issue = 1| pages = 52–61 | pmid = 11249193 | doi=10.1111/j.1550-7408.2001.tb00415.x| s2cid = 30154498 }}
- Perkinsus beihaiensis on the oysters Magallana hongkongensis and M. ariakensis
- Perkinsus chesapeaki on soft-shell clam (Mya arenaria){{cite journal | last1 = McLaughlin | first1 = S. M. | display-authors = etal | year = 2000 | title = Zoosporulation of a new Perkinsus species isolated from the gills of the softshell clam Mya arenaria | journal = Parasite | volume = 7 | issue = 2| pages = 115–22 | pmid = 10887658 | doi=10.1051/parasite/2000072115| doi-access = free }}
- Perkinsus honshuensis on Manila clam (Venerupis philippinarum)
- Perkinsus marinus on eastern oyster (Crassostrea virginica)
- Perkinsus mediterraneus on European flat oyster (Ostrea edulis){{cite journal | last1 = Casas | first1 = S. M. | display-authors = etal | year = 2004 | title = Perkinsus mediterraneus n. sp., a protistan parasite of the European flat oyster Ostrea edulis from the Balearic Islands, Mediterranean Sea | url = https://www.int-res.com/articles/dao2004/58/d058p231.pdf | journal = Dis Aquat Org | volume = 58 | issue = 2–3| pages = 231–44 | doi=10.3354/dao058231| doi-access = free }}
- Perkinsus olseni (syn. P. atlanticus) on blacklip abalone (Haliotis rubra) and grooved carpet shell (Ruditapes decussatus){{cite journal|last1=Azevedo|first1=C|title=Fine structure of Perkinsus atlanticus n. sp. (Apicomplexa, Perkinsea) parasite of the clam Ruditapes decussatus from Portugal.|journal=The Journal of Parasitology|date=August 1989|volume=75|issue=4|pages=627–35|pmid=2760774|doi=10.2307/3282915|jstor=3282915}}
- Perkinsus qugwadii on yesso scallop (Patinopecten yessoensis)
P. andrewsi and P. chesapeaki might be the same species; because the latter was described first, the name P. andrewsi will be a synonym.{{cite journal | last1 = Burreson | first1 = E. M. | display-authors = etal | year = 2005 | title = Molecular, morphological, and experimental evidence support the synonymy of Perkinsus chesapeaki and Perkinsus andrewsi | journal = J Eukaryot Microbiol | volume = 52 | issue = 3| pages = 258–70 | pmid = 15927003 | doi=10.1111/j.1550-7408.2005.05-00035.x| s2cid = 24256877 }}
References
External links
- Guiry, M. D. & G. M. Guiry. 2013. [http://www.algaebase.org/search/genus/detail/?genus_id=51235 Perkinsus Levine, 1978.] AlgaeBase. National University of Ireland, Galway. Accessed 8 September 2013.
{{Alveolata}}
{{Taxonbar|from=Q15156949}}
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