Syncystis

Genus of single-celled organisms

Syncystis
Scientific classification
Domain:
Eukaryota
(unranked):
Sar
(unranked):
Alveolata
Phylum:
Apicomplexa
Class:
Conoidasida
Subclass:
Gregarinasina
Order:
Neogregarinorida
Family:
Syncystidae
Genus:
Syncystis
Species

Syncystis aeshnae
Syncystis mirabilis

Syncystis is a genus of parasitic alveolates in the phylum Apicomplexa.

Species in this family infect insects (Aeshnidae).

History

This genus was described by Schneider in 1886.

Taxonomy

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

The type species is Syncystis mirabilis Schneider 1886.

Lifecycle

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

The gamonts associate in syzygy and subdivide into gametes.

Fusion of the gametes leads to numerous zygotes within the gametocyst 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.

Eight sporozoites form per oocyst.

References

  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
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Eukaryota: SAR: Alveolata
Domain
Archaea
Bacteria
Eukaryota
(major groups
Excavata
Diaphoretickes
Hacrobia
Rhizaria
Alveolata
Stramenopiles
Plants
Amorphea
Amoebozoa
Opisthokonta
Animals
Fungi)
Acavomonidia
Acavomonadea
Acavomonadida (Acavomonas)
Ciliophora
Intramacronucleata
Postciliodesmatophora
Mesodiniea (Mesodinium, Myrionecta)
Colponemidia
Colponemadea
Colponemadida (Colponema)
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
Protoalveolata
Ellobiopsea
  • Ellobiopsidae (Elliobiocystis, Ellobiopsis, Parallobiopsis, Thalassomyces, Rhizellobiopsis)
Myzomonadea
Algovorida
  • Algovoridae (Algovora)
Chilovorida
  • Chilovoridae (Chilovora)
Squirmidea
Taxon identifiers
Syncystis
Authority control databases: National Edit this at Wikidata
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