The phylogenetic relationship of avian Babesia with other piroplasms remains unclear, mainly because of a lack of objective criteria such as molecular phylogenetics. In this study, our objective was to sequence the entire 18S, ITS-1, 5.8S, and ITS-2 regions of the rRNA gene and partial ß-tubulin gene of B. poelea, first described from brown boobies (Sula leucogaster) from the central Pacific, and compare them to those of other piroplasms. Phylogenetic analyses of the entire 18S rRNA gene sequence revealed that B. poelea belonged to the clade of piroplasms previously detected in humans, domestic dogs, and wild ungulates in the western United States. The entire ITS-1, 5.8S, ITS-2, and partial ß-tubulin gene sequence shared conserved regions with previously described Babesia and Theileria species. The intron of the ß-tubulin gene was 45 bp. This is the first molecular characterization of an avian piroplasm.
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April 2006
Research Article|
April 01 2006
Molecular Phylogeny of Babesia poelea From Brown Boobies (Sula leucogaster) From Johnston Atoll, Central Pacific
Michael J. Yabsley;
Michael J. Yabsley
aSoutheastern Cooperative Wildlife Disease Study and Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, Georgia 30602. myabsley@uga.edu
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Thierry M. Work;
Thierry M. Work
b U.S. Geological Survey, National Wildlife Health Center, Honolulu Field Station, P.O. Box 50167, Honolulu, Hawaii 96850
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Robert A. Rameyer
Robert A. Rameyer
b U.S. Geological Survey, National Wildlife Health Center, Honolulu Field Station, P.O. Box 50167, Honolulu, Hawaii 96850
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J Parasitol (2006) 92 (2): 423–425.
Citation
Michael J. Yabsley, Thierry M. Work, Robert A. Rameyer; Molecular Phylogeny of Babesia poelea From Brown Boobies (Sula leucogaster) From Johnston Atoll, Central Pacific. J Parasitol 1 April 2006; 92 (2): 423–425. doi: https://doi.org/10.1645/GE-617R.1
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