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Cystoisospora is a genus of parasitic alveolates belonging to the phylum Apicomplexa. Taxonomy. This genus was originally created by J. K. Frenkel in 1977.
Cystoisospora belli, previously known as Isospora belli, is a parasite that causes an intestinal disease known as cystoisosporiasis. [1] This protozoan parasite is opportunistic in immune suppressed human hosts. [2] It primarily exists in the epithelial cells of the small intestine, and develops in the cell cytoplasm. [2]
Isosporiasis, also known as cystoisosporiasis, is a human intestinal disease caused by the parasite Cystoisospora belli (previously known as Isospora belli).It is found worldwide, especially in tropical and subtropical areas.
Cystoisospora canis, previously known as Isospora canis, is a microscopic, coccidian parasite that causes an intestinal tract infection in dogs. [2] The intestinal tract infection is coccidiosis caused by a protozoa (one-celled organisms) called coccidia .
At least 248 species were originally described in this genus. For instance, the house sparrow has 12 species of Isospora. [1] [2] However, most species are little studied, and some authors doubt whether all should be recognized as distinct species. [3]
Cystoisosporiasis (Cystoisospora belli) Toxoplasmosis (Toxoplasma gondii) The name Apicomplexa derives from two Latin words—apex (top) and complexus (infolds)—for the set of organelles in the sporozoite.
This genus was created by Garnham in 1950. The history of this genus has been plagued with confusion. Before 1909 the species in this genus were confused with those of the genus Haemoproteus.
The taxonomy of this group is complex and only partly understood. Two major clades have been identified: the isosporoid coccidia (Toxoplasma, Neospora, Isospora [in part], and Sarcocystis) and a second clade containing Lankesterella, Caryospora and the eimeriid coccidia (Cyclospora, Isospora [in part] and Eimeria). [1]