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Description and ultrastructure of Lankesterella species infecting frogs in Kenya

1996; EDP Sciences; Volume: 3; Issue: 4 Linguagem: Inglês

10.1051/parasite/1996034341

1776-1042

I. Paperna, W. O. Ogara,

Parasitic Infections and Diagnostics

Two species of Lankesterella are described from Kenyan frogs. In the first, Lankesterella ptychadeni n. sp. from the frog Ptychadena mascareniensis (Dumeril & Bibron) found in the Lake Victoria region of Kenya, oogony and sporogony take place in the gut epithelium and in the lamina propria. Oocysts yield eight sporozoites which accumulate in both the gut mucosal epithelium and in the lamina propria. In the same frog merogony stages were traced in the liver, and sporogony stages, with eight sporozoite progeny, occurred in detached endothelial cells in the blood, alongside sporozoites in the erythrocytes. These stages represent either a different generation of the same species or belong to a different species.