Characterization of Anaplasma marginale isolated from North American bison
Date
2003-08Author
de la Fuente, Jose
Golsteyn Thomas, Elizabeth J.
Van Den Bussche, Ronald A.
Hamilton, Robert G.
Tanaka, Elaine E.
Druhan, Susan E.
Kocan, Katherine M.
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Anaplasma marginale (Rickettsiales: Anaplasmataceae), a tick-borne pathogen of cattle, is endemic in tropical and subtropical regions of the world. Although serologic tests have identified American bison, Bison bison, as being infected with A. marginale, the present study was undertaken to confirm A. marginale infection and to characterize isolates obtained from naturally infected bison in the United States and Canada. Major surface protein (MSP1a and MSP4) sequences of bison isolates were characterized in comparison with New World cattle isolates. Blood from one U.S. bison was inoculated into a susceptible, splenectomized calf, which developed acute anaplasmosis, demonstrating infectivity of this A. marginale bison isolate for cattle. The results of this study showed that these A. marginale isolates obtained from bison were similar to ones from naturally infected cattle.
Citation
de la Fuente, J., Golsteyn Thomas, E. J., Van Den Bussche, R. A., Hamilton, R. G., Tanaka, E. E., Druhan, S. E., & Kocan, K. M. (2003). Characterization of Anaplasma marginale isolated from North American bison. Applied and Environmental Microbiology, 69(8), 5001-5005. https://doi.org/10.1128/AEM.69.8.5001-5005.2003