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Syncystis

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

Syncystis
Scientific classification
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Syncystis
Species

Syncystis aeshnae
Syncystis mirabilis

Syncystis is a genus ofparasitic alveolates in thephylumApicomplexa.

Species in this family infect insects (Aeshnidae).

History

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This genus was described by Schneider in 1886.

Taxonomy

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Two species are currently recognised in this family.[1]

The type species isSyncystis mirabilis Schneider 1886.

Lifecycle

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The development of these parasites is mostly intracellular.Merogony results in the formation of about 150 elongate, slendermerozoites which become spheroidal as they differentiate into amoeboid or spheroidalgamonts.

The gamonts associate insyzygy and subdivide intogametes.

Fusion of the gametes leads to numerouszygotes within thegametocyst which is either spherical or bilobed.

Numerous (30 to 150)oocysts are formed per gametocyst. The oocysts are navicular and have three or four spines extending from each pole of the wall.

Eightsporozoites form per oocyst.

References

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  1. ^Tuzet O, Manier JF (1953)Syncystis aeschnae n.sp. Néogrégarine (Schizogrégarine, Léger, 1900) parasite des larves d'Aeschna. Ann Nat Sci Zool IIe ser 15:241-246
Acavomonidia
Acavomonadea
Ciliophora
Intramacronucleata
Postciliodesmatophora
Colponemidia
Colponemadea
Aconoidasida
Haemospororida
Piroplasmida
Agamococcidiorida
Eucoccidiorida
Adeleorina
Eimeriorina
Sarcocystidae
Ixorheorida
Protococcidiorida
Archigregarinorida
Eugregarinorida
Aseptatorina
Blastogregarinorina
Septatorina
Neogregarinorida
Apicomonadea
Chromerida
Colpodellida
Voromonadida
Dinoflagellata
Dinokaryota
Noctilucea
Syndinea
Other
Perkinsozoa
Perkinsea
Protalveolata
Ellobiopsea
Myzomonadea
Algovorida
Chilovorida
Squirmidea
Syncystis
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