Dactylosoma
| Dactylosoma | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Clade: | Diaphoretickes |
| Clade: | TSAR |
| Clade: | SAR |
| Clade: | Alveolata |
| Phylum: | Apicomplexa |
| Class: | Conoidasida |
| Subclass: | Coccidia |
| Order: | Eucoccidiorida |
| Family: | Dactylosomatidae |
| Genus: | Dactylosoma Labbé, 1894 |
| Species | |
|
Dactylosoma hannesi | |
Dactylosoma is a genus of parasitic alveolates of the phylum Apicomplexia.[1]
Species in this genus have two hosts in their life cycle: the vertebrate host is a fish or amphibian (possibly also reptiles) and the invertebrate host is a glossiphoniid leech (Glossiphoniidae).
Taxonomy
This genus was described by Labbé in 1894. The type species is Dactylosoma ranarum.
Description
Merogony: Schizonts in this genus produce 6 to 16 merozoites by simultaneous exogenous budding. These typically are found in a fan shaped arrangement. This occurs within the erythrocytes.
Secondary merogony produces 6 smaller merozoites that are destined to become intraerythrocytic gamonts.
Gametogony: The gametocytes are larger, elongated forms derived from some of the merozoites.
Oocysts are formed after fertilization in the leech intestine. 30 or more sporozoites are produced by exogenous budding directly in the cytoplasm of the intestinal epithelial cells. No oocyst wall is formed.
References
- ^ Manwell RD (1964). "The genus Dactylosoma". J. Protozool. 11 (4): 526–30. doi:10.1111/j.1550-7408.1964.tb01792.x. PMID 14231179.
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