Toxoplasma gondii isolates can be grouped into 3 genetic lineages. Type I isolates are considered virulent to outbred mice, whereas Type II and III isolates are not. In the present report, viable T. gondii was isolated for the first time from striped skunk (Mephitis mephitis), Canada goose (Branta canadensis), and black-winged lory (Eos cyanogenia). For the isolation of T. gondii, tissues were bioassayed in mice, and genotyping was based on the SAG2 locus. Toxoplasma gondii was isolated from 3 of 6 skunks, 1 of 4 Canada geese, and 2 of 2 feral cats (Felis catus) from Mississippi. All donor animals were asymptomatic. Viable T. gondii was also isolated from 5 of 5 lories that had died of acute toxoplasmosis in an aviary in South Carolina. Genotypes of T. gondii isolates were Type III (all skunks, lories, and the goose) and Type II (both cats). All 5 Type III isolates from birds and 2 of the 3 isolates from skunks were mouse virulent.
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October 2004
RESEARCH NOTES|
October 01 2004
Biologic and Molecular Characteristics of Toxoplasma gondii Isolates From Striped Skunk (Mephitis mephitis), Canada Goose (Branta canadensis), Black-Winged Lory (Eos cyanogenia), and Cats (Felis catus)
J. P. Dubey;
J. P. Dubey
aUnited States Department of Agriculture, Agricultural Research Service, Animal and Natural Resources Institute, Animal Parasitic Diseases Laboratory, Building 1001, Beltsville, Maryland 20705-2350
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P. G. Parnell;
P. G. Parnell
bClemson Veterinary Diagnostic Center, P.O. Box 102406, Columbia, South Carolina 29224-2406
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C. Sreekumar;
C. Sreekumar
aUnited States Department of Agriculture, Agricultural Research Service, Animal and Natural Resources Institute, Animal Parasitic Diseases Laboratory, Building 1001, Beltsville, Maryland 20705-2350
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M. C B. Vianna;
M. C B. Vianna
aUnited States Department of Agriculture, Agricultural Research Service, Animal and Natural Resources Institute, Animal Parasitic Diseases Laboratory, Building 1001, Beltsville, Maryland 20705-2350
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R. W. De Young;
R. W. De Young
cCaeser Kleberg Wildlife Research Institute, MSC 218,700 University Boulevard, Kingsville, Texas 78363
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E. Dahl;
E. Dahl
d‡Division of Parasitic Diseases, Centers for Disease Control and Prevention, 4770 Buford Highway, MS: F22, Chamblee, Georgia 30341. [email protected]
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T. Lehmann
T. Lehmann
d‡Division of Parasitic Diseases, Centers for Disease Control and Prevention, 4770 Buford Highway, MS: F22, Chamblee, Georgia 30341. [email protected]
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J Parasitol (2004) 90 (5): 1171–1174.
Citation
J. P. Dubey, P. G. Parnell, C. Sreekumar, M. C B. Vianna, R. W. De Young, E. Dahl, T. Lehmann; Biologic and Molecular Characteristics of Toxoplasma gondii Isolates From Striped Skunk (Mephitis mephitis), Canada Goose (Branta canadensis), Black-Winged Lory (Eos cyanogenia), and Cats (Felis catus). J Parasitol 1 October 2004; 90 (5): 1171–1174. doi: https://doi.org/10.1645/GE-340R
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