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

Research output: Contribution to journalArticleResearchpeer-review

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.

LanguageEnglish
Pages165-168
Number of pages4
JournalExperimental Parasitology
Volume122
Issue number2
DOIs
Publication statusPublished - Jun 2009

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Coccidia
Eimeria
Marsupialia
Ribosomal DNA
Mammals
Reptiles
Phylogeny
Prednisolone
Birds
Parasites
Clone Cells
Genes

Cite this

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Eimeria trichosuri : Phylogenetic position of a marsupial coccidium, based on 18S rDNA sequences. / Power, M. L.; Richter, C.; Emery, S.; Hufschmid, J.; Gillings, M. R.

In: Experimental Parasitology, Vol. 122, No. 2, 06.2009, p. 165-168.

Research output: Contribution to journalArticleResearchpeer-review

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