Isolation of Sarcocystis speeri Dubey and Lindsay, 1999 Parasite from the South American Opossum (Didelphis albiventris) from Argentina

J. P. Dubey; L. Venturini; M. C. Venturini; C. A. Speer

doi:10.1645/0022-3395(2000)086[0160:IOSSDA]2.0.CO;2

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J. P. Dubey,^1,* L. Venturini,^1,** M. C. Venturini,^1,** C. A. Speer^1,*

¹United States Department of Agriculture, Agricultural Research Service, Livestock and Poultry Scienc

^**Veterinary Molecular Biology, Montana State University, Bozeman, Montana 59717–3610;
^**†Faculty of Veterinary Sciences, La Plata National University, CC 296, 1900, La Plata, Argentina

Abstract

Sarcocystis sporocysts from the intestines of 2 opossums (Didelphis albiventris) from Argentina were fed to gamma-interferon knockout (KO) and nude mice. Protozoal schizonts were seen in brain, liver, spleen, and adrenal glands of mice examined 33–64 days after feeding sporocysts. Sarcocysts were seen in skeletal muscles of KO mice 34–71 days after feeding sporocysts. Schizonts and sarcocysts were structurally similar to Sarcocystis speeri Dubey and Lindsay, 1999 seen in mice fed sporocysts from the North American opossum Didelphis virginiana from the United States.

Citation Download Citation

J. P. Dubey, L. Venturini, M. C. Venturini, and C. A. Speer "Isolation of Sarcocystisspeeri Parasite from the South American Opossum (Didelphis albiventris) from Argentina," Journal of Parasitology 86(1), 160-163, (1 February 2000). https://doi.org/10.1645/0022-3395(2000)086[0160:IOSSDA]2.0.CO;2

Published: 1 February 2000

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