Epieimeria is a genus of parasitic alveaolates of the phylum Apicomplexa.
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| Genus: | Epieimeria Dyková & Lom 1981
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Epieimeria anguillae | |
The genus was created in 1981 by Dyková and Lom. Species in this genus were earlier classified as Eimeria.
Taxonomy
editSpecies in this genus infect fish.
Description
editLike other eimerians, the species in this genus undergo intracellular merogony and gametogony.[1] Trophozoites and both the merogonic and gametogonic stages develop in a parasitophorous vacuole which lies half embedded in the epithelial cell and protrudes into the intestinal lumen. The parasitophorous vacuole itself is surrounded by a single membrane but towards the intestinal lumen it is also covered by the cell membrane.
Sporogony takes place outside the fish or intercellularly.
The wall of the sporocyst opens at its apex through a round pore.
Oocysts as well as being excreted may infiltrate into the mucosa and thence into the viscera and internal cavities where they may accumulate there and sporulate within the host.[2] These will be liberated only after the death of the host.
A Stieda body is present.[3]
References
edit- ^ Molnar K, Baska F (1986) Light and electron microscopic studies on Epieimeria anguillae (Léger & Hollande, 1922), a coccidium parasitizing the European eel, Anguilla anguilla L. J Fish Dis 9 (2) 99–110
- ^ Hine PM (1975) Eimeria anguillae Leger & Hollande, 1922, parasitic in New Zealand eels. New Zealand J Mar & Freshwater Res 9: 239–243
- ^ Landsberg JH, Paperna I (1987) Intestinal infections by Eimeria (s.l.) vanasi n. sp. (Eimeriidae, Apicomplexa, Protozoa) in cichlid fish. Ann Parasitol Hum Comp 62(4):283-293
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