Stieda body

The Stieda body is an organelle located at the polar region of the sporocyst of some coccidia visible with electron microscopy. It appears as a knob like structure and is a plug occluding a hole in the sporocyst. The breakdown of this body allows excystation of the sporozoites.

References

Eukaryota: SAR: Alveolata

Domain

Archaea

Bacteria

Eukaryota

(Supergroup

Plant

Hacrobia

Heterokont

Alveolata

Rhizaria

Excavata

Amoebozoa

Opisthokonta

Animal

Fungi)

Ciliophora

Postciliodesmatophora	Heterotrichea (Stentor, Climacostomum, Blepharisma) Karyorelictea (Loxodes, Tracheloraphis)

Intramacronucleata	Spirotrichea (Stylonychia, Euplotes) Litostomatea (Balantidium, Dileptus) Phyllopharyngea (Chilodonella, Tokophrya) Armophorea (Metopus) Nassophorea (Nassula) Colpodea (Colpoda) Oligohymenophorea (Tetrahymena, Ichthyophthirius, Vorticella, Paramecium) Plagiopylea (Plagiopyla) Prostomatea (Coleps, Holophrya) Protocruziea (Protocruzia) Cariacotrichea (Cariacothrix caudata)

Mesodiniea (Mesodinium, Myrionecta)

Myzozoa

Apicomplexa

Aconoidasida

Haemospororida	Garniidae (Garnia) Haemoproteidae (Haemoproteus) Leucocytozoidae (Leucocytozoon) Plasmodiidae (Plasmodium)

Piroplasmida	Babesiidae (Babesia) Theileriidae (Theileria)

Conoidasida

Coccidia

Agamococcidiorida

Gemmocystidae (Gemmocystis)
Rhytidocystidae (Rhytidocystis)

Eucoccidiorida

Adeleorina

Adeleidae
Dactylosomatidae (Babesiosoma, Dactylosoma)
Haemogregarinidae (Haemogregarina)
Hepatozoidae (Hepatozoon)
Karyolysidae (Karyolysus)
Klossiellidae (Klossiella)
Legerellidae (Legerella)

Eimeriorina

Aggregatidae (Aggregata, Grasseella, Merocystis, Ovivora, Pseudoklossia, Selysina) Atoxoplasmatidae Barrouxiidae Calyptosporiidae Caryotrophidae Cryptosporidiidae (Cryptosporidium) Eimeriidae (Cyclospora, Eimeria, Isospora) Elleipsisomatidae Lankesterellidae Selenococcidiidae

Sarcocystidae	Sarcocystinae (Frenkelia, Sarcocystis) Toxoplasmatinae (Besnoitia, Hammondia, Hyaloklossia, Nephroisospora, Neospora, Toxoplasma)

Ixorheorida

Ixorheidae (Ixorheis)

Protococcidiorida

Angeiocystidae (Angeiocystis)
Eleutheroschizonidae (Coelotropha, Defretinella, Eleutheroschizon)
Grelliidae (Coelotropha, Grellia)
Mackinnoniidae (Mackinnonia)
Myriosporidae (Myriosporides, Myriospora)

Gregarinia

Archigregarinorida

Exoschizonidae (Exoschizon)
Selenidioididae (Filipodium, Merogregarina, Meroselenidium, Platyproteum, Selenidioides, Veloxidium)

Eugregarinorida

Aseptatorina	Aikinetocystidae Allantocystidae Diplocystidae Enterocystidae Ganymedidae Lecudinidae Monocystidae (Monocystinae, Oligochaetocystinae, Rhynchocystinae, Stomatophorinae, Zygocystinae) Schaudinnellidae Selenidiidae Thiriotiidae Urosporidae

Blastogregarinorina	Siedleckiidae (Siedleckia)

Septatorina	Fusionicae (Fusionidae) Gregarinicae (Cephaloidophoridae, Cephalolobidae, Didymophoridae, Gregarinidae, Hirmocystidae, Metameridae, Uradiophoridae) Porosporicae (Porosporidae) Stenophoricae (Acutidae, Amphiplatysporidae, Brustiophoridae, Cnemidosporidae, Dactylophoridae, Leidyanidae, Monoductidae, Monoicidae, Sphaerocystidae, Stenophoridae, Trichorhynchidae) Stylocephaloidea (Actinocephalidae, Stylocephalidae) Blabericolidae

Neogregarinorida

Schizogregarinina (Caulleryellidae, Ophryocystidae)
Gigaductidae (Gigaductus)
Lipotrophidae (Apicystis, Farinocystis, Lipotropha, Lipocystis, Mattesia, Menzbieria)
Schizocystidae (Lymphotropha, Machadoella, Schizocystis)
Syncystidae (Syncystis)

Apicomonadea

Chromerida	Chromeraceae (Chromera velia) Vitrellaceae (Vitrella brassicaformis)

Colpodellida	Colpodellidae (Colpodella)

Voromonadida	Alphamonadidae (Alphamonas) Voromonadidae (Voromonas)

Dinoflagellata

Dinokaryota	With a theca: Peridiniales (Pfiesteria, Peridinium) Gonyaulacales (Ceratium, Gonyaulax) Prorocentrales (Prorocentrum) Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Without theca: Gymnodiniales (Gymnodinium, Karenia, Karlodinium, Amphidinium) Suessiales (Polarella, Symbiodinium)

Noctilucea	Noctilucales (Noctiluca)

Syndinea	Syndiniales: Amoebophryaceae (Amoebophyra) Duboscquellaceae (Duboscquella) Syndiniaceae (Hematodinium, Syndinium)

Other	Acrocoelidae (Acrocoelus) Ichthyodinium Oxyrrhinaceae (Oxyrrhis) Pronoctilucidae (Pronoctiluca) Psammosidae (Psammosa) Rastromonadida (Parvilucifera, Rastromonas)

Perkinsozoa

Perkinsea	Perkinsidae (Perkinsus) Phagodinida (Phagodinium)

Protoalveolata

Ellobiopsea

Ellobiopsidae (Elliobiocystis, Ellobiopsis, Thalassomyces)

Myzomonadea

Algovorida	Algovoridae (Algovora)

Chilovorida	Chilovoridae (Chilovora)

Squirmidea

Squirmidae (Platyproteum, Filipodium)

Acavomonidia

Acavomonadea	Acavomonadida (Acavomonas)

Protozoan infection: Chromalveolate and Archaeplastida (A07, B50–B54,B58, 007, 084)

Chromalveolate

Alveolate

Apicomplexa

Conoidasida/ Coccidia	Coccidia: Cryptosporidium hominis/Cryptosporidium parvum Cryptosporidiosis Cystoisospora belli Isosporiasis Cyclospora cayetanensis Cyclosporiasis Toxoplasma gondii Toxoplasmosis

Aconoidasida	Plasmodium falciparum/vivax/ovale/malariae Malaria Blackwater fever Babesia Babesiosis

Ciliophora

Balantidium coli
- Balantidiasis

Heterokont

Archaeplastida

Algaemia: Prototheca wickerhamii
- Protothecosis

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