Dermocystidium

Dermocystidium is a genus of cyst-forming, parasitic eukaryotes of fish,[2] which are the causative agents of dermocystidiosis.

Dermocystidium
Scientific classification
Domain:
Eukaryota
(unranked):
Opisthokonta
(unranked):
Holozoa
Class:
Mesomycetozoea
Order:
Dermocystida
Family:
Dermocystidiaceae
Genus:
Dermocystidium

Pérez 1908
Type species
Dermocystidium pusulum
(Pérez 1907) Pérez 1908
Species[1]

See text

Synonyms
  • Dermocystis Pérez 1907 non Stafford 1905
  • Amphibiothecum Feldman, Wimsatt & Green 2005

Taxonomic History

The genus Dermocystidium was described in 1907. It was previously thought to be a genus of fungal parasites, related to the Thraustochytrida and Labyrinthulida (both those groups are now considered to be stramenopiles rather than fungi). Other biologists considered it to be a sporozoan protist.

It was subsequently identified as one of a group of fish parasites (the "DRIP clade") of previously uncertain affiliation, which were later identified as nonanimal, nonfungal opisthokonts,[3] and renamed as Ichthyosporea, and after expansion as Mesomycetozoa. Parasites of crustacea (Dermocystidium daphniae) and molluscs (Dermocystidium marimum) placed in this genus have been found to be stramenopiles and reclassified as Lymphocystidium daphniae and Perkinsus marinus, respectively.

The frog parasite Dermocystidium ranae has recently been segregated as Amphibiocystidium ranae.[4]

Species
  • Dermocystidium anguillae Spangenberg 1975— a gill parasite of eels
  • Dermocystidium branchialis Léger 1914[5] — a gill parasite of salmonids
  • Dermocystidium cochliopodii Valkanov 1967[5]
  • Dermocystidium cyprini Červinka & Lom 1974[5] — a gill parasite of carp[6]
  • Dermocystidium erschowii Garkavi, Denisov & Afanas'ev 1980— a skin parasite of carp
  • Dermocystidium fennicum Pekkarinen et al. 2003— a skin parasite of perch [7]
  • Dermocystidium gasterostei Elkan 1962[5] — a parasite of sticklebacks[8]
  • Dermocystidium granulosum Sterba & Naumann 1970[5]
  • Dermocystidium guyenotii Thélin 1955[5]
  • Dermocystidium koi Hoshina & Sahara 1950[5] — a skin parasite of carp
  • Dermocystidium kwangtungensis [9]
  • Dermocystidium macrophagi van de Moer, Manier & Bouix 1988
  • Dermocystidium nemachili [5]
  • Dermocystidium penneri (Jay & Pohley 1981) Borteiro et al. 2018
  • Dermocystidium percae Reichenbach-Klinke 1950[5] — a skin parasite of perch [7]
  • Dermocystidium pusulum (Pérez 1907) Pérez 1908[5]
  • Dermocystidium salmonis [5] — a gill parasite of salmon
  • Dermocystidium sinensis [9]
  • Dermocystidium vejdovskyi Jírovec 1939[5] — a parasite of pike

References
  1. "Dermocystidium". www.mycobank.org. Retrieved 2020-05-17.
  2. Feist SW, Longshaw M, Hurrell RH, Mander B (April 2004). "Observations of Dermocystidium sp. infections in bullheads, Cottus gobio L., from a river in southern England". J. Fish Dis. 27 (4): 225–31. doi:10.1111/j.1365-2761.2004.00535.x. PMID 15049890.
  3. Ragan MA, Goggin CL, Cawthorn RJ, et al. (October 1996). "A novel clade of protistan parasites near the animal-fungal divergence". Proc. Natl. Acad. Sci. U.S.A. 93 (21): 11907–12. doi:10.1073/pnas.93.21.11907. PMC 38157. PMID 8876236.
  4. R. Pascolini; P. Daszak; A. A. Cunningham; et al. (August 2003). "Parasitism by Dermocystidium ranae in a population of Rana esculenta complex in Central Italy and description of Amphibiocystidium n. gen". Diseases of Aquatic Organisms. 56 (1): 65–74. doi:10.3354/dao056065. PMID 14524503.
  5. Index Fungorum
  6. S. Červinka; J. Vítovec; J. Lom; J. Hoška; F. Kubů (November 1974). "Dermocystidiosis–a gill disease of the carp due to Dermocystidium cyprini n.sp". J. Fish Biol. 6 (6): 689–699. doi:10.1111/j.1095-8649.1974.tb05112.x.
  7. Marketta Pekkarinen; Jiří Lom; Colleen A. Murphy; Mark A. Ragan & Iva Dyková (2003). "Phylogenetic Position and Ultrastructure of Two Dermocystidium Species (Ichthyosporea) from the Common Perch (Perca fluviatilis)" (PDF). Acta Protozool. 42: 287–307.
  8. E. Elkan (1962). "Dermocystidium Gasterostei n. sp., A Parasite of Gasterosteus Aculeatus L. and Gasterosteus Pungitius L.". Nature. 196 (4858): 958–960. doi:10.1038/196958a0.
  9. Qizhong Zhang; Zhijian Wang (2005). "Dermocystidium sp. infection in cultured juvenile southern catfish Silurus meridionalis in China" (PDF). Diseases of Aquatic Organisms. 65: 245–250. doi:10.3354/dao065245.


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