Article ID Journal Published Year Pages File Type
4558670 Journal of Invertebrate Pathology 2007 4 Pages PDF
Abstract
Comparative small subunit rDNA sequence analyses, indicate that Ovavesicula popilliae, a microsporidian parasite of the Japanese beetle, Popillia japonica, represents a distant sister group to Paranosema and Antonospora. These three genera represent a second major group (the Nosema/Vairimorpha clade representing the first) of Microsopridia which infect terrestrial insects, suggesting independent origins for both groups. Phylogenetic analyses of Ovavesicula and other Microsporidia having a multi-sporous sporogony reveal that this condition is found in several unrelated taxa implying either that multi-sporous sporogony is the ancestral condition for Microsporidia or that it has multiple origins.
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