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Free-living Amebic Infections
[Acanthamoeba spp.] [Balamuthia mandrillaris] [Naegleria fowleri] [Sappinia spp.]

Sappinia is a genus of free-living amebae rarely isolated from human specimens.  The genus is found worldwide and has been isolated in the feces of many animals, including mammals and reptiles.  Cysts and trophozoites both possess two nuclei.

Sappinia sp. cyst Sappinia sp. cysts

A

B

A, B: Cysts of Sappinia sp. in culture, viewed under differential interference contrast (DIC) microscopy.

Sappinia sp. trophozoite Sappinia sp. trophozoite

C

D

C, D: Trophozoites of Sappinia sp. in culture, viewed under DIC microscopy.

Sappinia sp. trophozoite

E

E: Trophozoite of Sappinia sp. viewed under DIC microscopy.

 
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