Eimeria trichosuri: Phylogenetic position of a marsupial coccidium, based on 18S rDNA sequences

M. L. Power*, C. Richter, S. Emery, J. Hufschmid, M. R. Gillings

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    44 Citations (Scopus)

    Abstract

    Phylogenetic analysis of the genus Eimeria suggests that parasite and host have coevolved over broad evolutionary timescales. Here we extend this analysis by determining the 18S rDNA gene sequence of the marsupial coccidium, Eimeria trichosuri, and assessing its phylogenetic position relative to Eimeria from birds, reptiles and placental mammals. This analysis placed E. trichosuri clones in a clade that diverged before the major clade comprising species from placental mammals. The position of E. trichosuri is consistent with host phylogeny where marsupials represent an ancient evolutionary line that predates the placental mammal line.

    Original languageEnglish
    Pages (from-to)165-168
    Number of pages4
    JournalExperimental Parasitology
    Volume122
    Issue number2
    DOIs
    Publication statusPublished - Jun 2009

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