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Isospora

From Wikipedia, the free encyclopedia
Genus of single-celled organisms

Isospora
Scientific classificationEdit this classification
Domain:Eukaryota
Clade:Diaphoretickes
Clade:SAR
Clade:Alveolata
Phylum:Apicomplexa
Class:Conoidasida
Order:Eucoccidiorida
Family:Eimeriidae
Genus:Isospora
Schneider, 1881
Species

I. almaataensis
I. anseris
I. ashmoonensis
I. bahiensis
I. bigemina
I. bronchocelae
I. buteonis
I. buteonis
I. cardellinae
I. hammondi
I. heydorni
I. hominis
I. mandari
I. mejiro
I. neorivolta
I. peromysci
I. rara
I. ratti
I. rivolta
I. thibetana
I. wallacei

Figures 1–2; Sporulated oocysts of Isospora machadoae sp. nov. recovered from Turdus albicolis from Brazil: (1) line drawing; (2) photomicrographs. Note the micropyle and micropyle cap (m/mc), nucleus (n), polar granule (pg), refractile body (rb), rough oocyst wall (row), Stieda (sb) and sub-Stieda bodies (ssb) and the sporocyst residuum (sr). Scale bar = 10 μm.
Figures 1–2; Sporulated oocysts of Isospora machadoae sp. nov. recovered from Turdus albicolis from Brazil: (1) line drawing; (2) photomicrographs. Note the micropyle and micropyle cap (m/mc), nucleus (n), polar granule (pg), refractile body (rb), rough oocyst wall (row), Stieda (sb) and sub-Stieda bodies (ssb) and the sporocyst residuum (sr). Scale bar = 10 μm.

Isospora is a genus of internalparasites in the subclassCoccidia.[1][2]

It is responsible for the conditionisosporiasis, which causes acute, non-bloody diarrhoea in immunocompromised individuals.

Taxonomy

[edit]

At least 248 species were originally described in this genus. For instance, thehouse sparrow has 12 species ofIsospora.[1][2] However, most species are little studied, and some authors doubt whether all should be recognized as distinct species.[3] In 2005, all formerIsospora species that infect mammalian hosts were reclassified as members of the genusCystoisospora, a member of theSarcocystidae family.[4]

References

[edit]
  1. ^abGrulet, O.; Landau, I.; Millet, P.; Baccam, D. (1986)."LesIsospora du Moineau. I — Compléments à l'étude systématique"(PDF).Annales de Parasitologie Humaine et Comparée.61 (2):155–160.doi:10.1051/parasite/1986612155.ISSN 0003-4150.Open access icon
  2. ^abGrulet, O.; Landau, I.; Millet, P.; Baccam, D. (1986)."LesIsospora du Moineau. II — Études sur la biologie".Annales de Parasitologie Humaine et Comparée.61 (2):161–192.doi:10.1051/parasite/1986612161.ISSN 0003-4150.Open access icon
  3. ^David S. Lindsay; J. P. Dubey; Byron L. Blagburn (January 1997), "Biology ofIsospora spp. from Humans, Nonhuman Primates, and Domestic Animals",Clinical Microbiology Reviews,10 (1):19–34,doi:10.1128/CMR.10.1.19,PMC 172913,PMID 8993857
  4. ^Barta, JR; Schrenzel, MD; Carreno, R; Rideout, BA (June 2005). "The genusAtoxoplasma (Garnham 1950) as a junior objective synonym of the genusIsospora (Schneider 1881) species infecting birds and resurrection ofCystoisospora (Frenkel 1977) as the correct genus forIsospora species infecting mammals".The Journal of Parasitology.91 (3):726–7.PMID 16108579.

External links

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Acavomonidia
Acavomonadea
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Postciliodesmatophora
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Isospora


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