Yersinia enterocolitica serotype O:9 has identical O-antigens to those of Brucella abortus and has apparently caused false-positive reactions in numerous brucellosis serologic tests in elk (Cervus canadensis) from southwest Montana. We investigated whether a similar phenomenon was occurring in brucellosis antibody–positive bison (Bison bison) using Y. enterocolitica culturing techniques and multiplex PCR of four diagnostic loci. Feces from 53 Yellowstone bison culled from the population and 113 free-roaming bison from throughout the Greater Yellowstone Ecosystem (GYE) were tested. Yersinia enterocolitica O:9 was not detected in any of 53 the bison samples collected at slaughter facilities or in any of the 113 fecal samples from free-ranging bison. One other Y. enterocolitica serotype was isolated; however, it is not known to cause cross-reaction on B. abortus serologic assays because it lacks the perosamine synthetase gene and thus the O-antigens. These findings suggest that Y. enterocolitica O:9 cross-reactivity with B. abortus antigens is unlikely to have been a cause of false-positive serology tests in GYE bison and that Y. enterocolitica prevalence was low in bison in the GYE during this study.
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BACTERIOLOGY AND MYCOLOGY|
July 01 2012
YERSINIA ENTEROCOLITICA: AN UNLIKELY CAUSE OF POSITIVE BRUCELLOSIS TESTS IN GREATER YELLOWSTONE ECOSYSTEM BISON (BISON BISON)
Wade See;
Wade See
1 Division of Biological Sciences, University of Montana, Missoula, Montana 59812, USA
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William H. Edwards;
William H. Edwards
2 Wyoming Game and Fish Wildlife Disease Laboratory, 1174 Snowy Range Rd., Laramie, Wyoming 82070, USA
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Stacey Dauwalter;
Stacey Dauwalter
2 Wyoming Game and Fish Wildlife Disease Laboratory, 1174 Snowy Range Rd., Laramie, Wyoming 82070, USA
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Claudia Almendra;
Claudia Almendra
6 Flathead Lake Biological Station, University of Montana, Missoula, Montana 59812, USA
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Martin D. Kardos;
Martin D. Kardos
1 Division of Biological Sciences, University of Montana, Missoula, Montana 59812, USA
7 Montana—Ecology of Infectious Diseases Program, University of Montana, Missoula, Montana 59812, USA
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Jennifer L. Lowell;
Jennifer L. Lowell
1 Division of Biological Sciences, University of Montana, Missoula, Montana 59812, USA
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Rick Wallen;
Rick Wallen
3 National Park Service, P.O. Box 168, Yellowstone National Park, Wyoming, 82190 USA
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Steven L. Cain;
Steven L. Cain
4 Grand Teton National Park, USDI, P.O. Drawer 170, Moose, Wyoming 83012, USA
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William E. Holben;
William E. Holben
8
1 Division of Biological Sciences, University of Montana, Missoula, Montana 59812, USA
7 Montana—Ecology of Infectious Diseases Program, University of Montana, Missoula, Montana 59812, USA
8 Corresponding author (email: [email protected])
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Gordon Luikart
Gordon Luikart
1 Division of Biological Sciences, University of Montana, Missoula, Montana 59812, USA
5 CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Campus Agrário de Vairão, 4485-661 Vairão, Portugal
6 Flathead Lake Biological Station, University of Montana, Missoula, Montana 59812, USA
7 Montana—Ecology of Infectious Diseases Program, University of Montana, Missoula, Montana 59812, USA
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J Wildl Dis (2012) 48 (3): 537–541.
Article history
Received:
January 12 2011
Accepted:
January 30 2012
Citation
Wade See, William H. Edwards, Stacey Dauwalter, Claudia Almendra, Martin D. Kardos, Jennifer L. Lowell, Rick Wallen, Steven L. Cain, William E. Holben, Gordon Luikart; YERSINIA ENTEROCOLITICA: AN UNLIKELY CAUSE OF POSITIVE BRUCELLOSIS TESTS IN GREATER YELLOWSTONE ECOSYSTEM BISON (BISON BISON). J Wildl Dis 1 July 2012; 48 (3): 537–541. doi: https://doi.org/10.7589/0090-3558-48.3.537
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