Publications

Seroprevalence of Toxoplasma Gondii Antibodies in Cats from Pennslyvania - (Peer Reviewed Journal) - (04-Sep-08)

Toxoplasmosis in Captive Dolphins (Tursiops Truncatus) and Walrus (Odobenus Rosmrus) - (Peer Reviewed Journal) - (04-Sep-08)

Seroprevalence of Neospora Caninum and Toxoplasma Gondii in Black Tailed Deer (Odocoileus Hemionus Columbianus) and Mule Deer (Odocoileus Hemionus Hemionus) - (Peer Reviewed Journal)

Dubey, J.P., Mansfield, K., Hall, B., Kwok, O.C., Thulliez, P. 2008. Seroprevalence of neospora caninum and toxoplasma gondii in black-tailed deer (odocoileus hemionus columbianus) and mule deer (odocoileus hemionus hemionus). Vet. Parasit. 156:310-313.

Neospora Caninum Antibodies in Wild Carnivores from Spain - (Peer Reviewed Journal)

Sobrino, R., Dubey, J.P., Pabon, M., Linarez, N., Kwok, O.C., Millan, J., Arnal, M., Luco, D., Lopez-Gatius, F., Thulliez, P., Gortazar, C., Almeria, S. 2008. Neospora caninum antibodies in wild carnivores from spain. Veterinary Parasitology. 155: 190-197.

Toxoplasma Gondii and Neospora Caninum Antibodies in Dogs from Grenada, West Indies - (Peer Reviewed Journal)

Dubey, J.P., Stone, D., Kwok, O.C., Sharma, R.N. 2008. Toxoplasma gondii and neospora caninum antibodies in dogs from Grenada, West Indies. Journal of Parasitology. 94:750-751.

Transplacental toxoplasmosis in naturally-infected white-tailed deer: isolation and genetic characterization of Toxoplasma gondii from foetuses of different gestational ages - (Peer Reviewed Journal)

Dubey, J.P., Velmurugan, G.V., Ulrich, V., Gill, J., Carstebseb, N., Sundar, N., Kwok, O.C., Thulliez, P., Su, C. 2008. Transplacental toxoplasmosis in naturally-infected white-tailed deer: isolation and genetic characterization of Toxoplasma gondii from foetuses of different gestational ages. International Journal for Parasitology. 38:1057-1063.

Isolation of Toxoplasma Gondii from Bottlenose Dolphins (Tursiops Truncatus) - (Peer Reviewed Journal)

Dubey, J.P., Fair, P.A., Sundar, N., Velmurugan, G., Kwok, O.C., Mcfee, W.E., Majumdar, D., Su, C. 2008. Isolation of toxoplasma gondii from bottlenose dolphins (tursiops truncatus). Journal of Parasitology. 94,821-823.

Toxoplasma gondii infection in lambs: high prevalence of live parasites, and genetic characterisation of T. gondii isolates revealed new genotypes - (Peer Reviewed Journal)

Dubey, J.P., Sundar, N., Hill, D.E., Velmurugan, G.V., Bandini, L.A., Kwok, O.C., Su, C. 2008. Toxoplasma gondii infection in lambs: high prevalence of live parasites, and genetic characterisation of T. gondii isolates revealed new genotypes. International Journal for Parasitology. 38:999-1006.

Rh: Dubey Et AL.-TOXOPLASMA Gondii from Cats in Puerto Rico mouse Virulent Toxoplasma Gondii Isolated from Feralcats in Mona Island, Puerto Rico - (Peer Reviewed Journal)

Dubey, J.P., Lopez-Torres, N.Y., Sundar, N., Velmurugan, G.V., Kwok, O.C., Hill, R., Su, C. 2007. Mouse-virulent Toxoplasma gondii from feral cats in Mona Island, Puerto Rico. Journal of Parasitology. 93:1265-1369.

Isolation and Genetic Characterization of Toxoplasma Gondii from Raccoons (Procyon Lotor), Cats (Felis Domesticus), Striped Skunk (Mephitis Mephitis), Black Bear (Ursus Americanus), and Cougar (Puma Concolor) from Canada - (Peer Reviewed Journal)

Dubey, J.P., Quirk, T., Pitt, J.A., Sundar, N., Velmurugan, G., Kwok, O.C., Leelair, D., Hill, R., Su, C. 2008. Isolation and genetic characterization of toxoplasma gondii from raccoons (Procyon lotor), cats (Felis domesticus), striped skunk (Mephitis mephitis), black bear (Ursus americanus), and cougar (Puma concolor) from Canada. Journal of Parasitology. 9:42-45.

T. Gondii in Free-Range Chickens seroprevalence and Isolation of Toxoplasma Gondii from Free-Range Chickens from Ghana, Indonesia, Italy, Poland, and Vietnam - (Peer Reviewed Journal)

Dubey, J.P., Huong, L.T., Lawson B, W.L., Subekti, D.T., Tassi, P., Cabaj, W., Sundar, N., Velmurugan, G.V., Kwok, O.C., Su, C. 2008. T. gondii in free-range chickens: seroprevalence and isolation of toxoplasma gondii from free-range chickens from Ghana, Indonesia, Italy, Poland, and Vietnam. Journal of Parasitology. 94:68-71.

Neosporosis in Beagle dogs clinical signs, diagnosis, treatment, isolation and genetic characterization of Neospora caninum. - (Peer Reviewed Journal)

Dubey, J.P., Vianna M, C.R., Kwok, O.C., Hill, D.E., Miska, K.B., Tuo, W., Velmurugan, G.V., Conors, M., Jenkins, M.C. 2007. Neosporosis in Beagle dogs clinical signs, diagnosis, treatment, isolation and genetic characterization of Neospora caninum. Veterinary Parasitology. 149:158-166.

Isolation and genotyping of Toxoplasma gondii from Ugandan chickens reveals frequent multiple infections - (Peer Reviewed Journal)

Lindstrom, I., Sundar, N., Lindh, J., Kironde, F., Kwok, O.C., Kabasa, J.D., Dubey, J.P., Smith, J.E. 2008. Isolation and genotyping of Toxoplasma gondii from Ugandan chickens reveals frequent multiple infections. Parasitology. 135:39-45.

Characterization of Toxoplasma Gondii from Raccoons (Procyon Lotor), Coyotes (Canis Latrans ), and Striped Skunks (Mephitis Mephitis) in Wisconsin Identified Several Atypical Genotypes - (Peer Reviewed Journal)

Dubey, J.P., Sundar, N., Nolden, C.A., Samuel, M.D., Velmurgan, G.V., Bandini, L., Kwok, O.C., Bodenstein, B., Su, C. 2007. Characterization of Toxoplasma gondii from raccoons (Procyon lotor), coyotes (Canis latrans ), and striped skunks (Mephitis mephitis) in Wisconsin identified several atypical genotypes. Journal of Parasitology. 93:1524-1527

Endemic avian toxoplasmosis on a farm in Illinois: clinical disease, diagnosis, biologic and genetic characteristics of Toxoplasma gondii isolates from chickens (Gallus domesticus), and a goose (Anser anser) - (Peer Reviewed Journal)

Dubey, J.P., Webb, D.M., Sundar, N., Velmurugan, G.V., Bandini, L.A., Kwok, O.C., Su, C. 2007. Endemic avian toxoplasmosis on a farm in Illinois: clinical disease, diagnosis, biologic and genetic characteristics of Toxoplasma gondii isolates from chickens (Gallus domesticus), and a goose (Anser anser). Veterinary Parasitology. 148:207-212.

Endemic toxoplasmosis in pigs on a farm in Maryland: Isolation and genetic characterization of toxoplasma gondii. - (Peer Reviewed Journal)

Dubey, J.P., Hill, D.E., Sundar, N., Velmurugan, G.V., Bandini, L.A., Kwok, O.C., Pierce, V., Kelly, K., Dulin, M., Su, C. 2008. Endemic toxoplasmosis in pigs on a farm in Maryland: Isolation and genetic characterization of toxoplasma gondii. Journal of Parasitology. 94:36-41.

Neospora Caninum and Toxoplasma Gondii Antibodies in Dogs from Durango City, Mexico - (Peer Reviewed Journal)

Dubey, J.P., Alvarado-Esquivel, C., Liesenfeld, O., Herrera-Flores, R.G., Ramirez-Sanchez, B.E., Gonzalez-Herrera, A., Martinez-Garcia, S.A., Bandini, L.A., Kwok, O.C. 2007. Neospora caninum and toxoplasma gondii antibodies in dogs from Durango City, Mexico. Journal of Parasitology. 93:1033-1035.

Molecular and biological characterisation of Toxoplasma gondii isolates from free-range chickens from Guyana, South America identified several unique and common parasite genotypes - (Peer Reviewed Journal)

Dubey, J.P., Applewhaite, L., Sundar, N., Velmurugan, G.V., Bandini, A., Kwok, O.C., Hill, R., Su, C. 2007. Molecular and biological characterisation of Toxoplasma gondii isolates from free-range chickens from Guyana, South America identified several unique and common parasite genotypes. Parasitology. 134:1559-1566.

Evaluation of four serological techniques to determine the seroprevalence of Neospora caninum in foxes (Vulpes vulpes) and coyotes (Canis latrans) on Prince Edward Island, Canada - (Peer Reviewed Journal)

Wapenaar, W., Barkema, H.W., Schares, G., Rouvinen-Watt, K., Zeijlemaker, L., Poorter, B., O¿Handley, R.M., Kwok, O.C., Dubey, J.P. 2007. Evaluation of four serological techniques to determine the seroprevalence of Neospora caninum in foxes (Vulpes vulpes) and coyotes (Canis latrans) on Prince Edward Island, Canada. Veterinary Parasitology. 145:51-58.

Prevalence of Toxoplasma gondii in dogs from Sri Lanka and genetic characterization of the parasite isolates - (Peer Reviewed Journal)

Dubey, J.P., Rajapakse, R.P., Wijesundera, R.R., Sundar, N., Kwok, O.C., Su, C. 2007. Prevalence of Toxoplasma gondii in dogs from Sri Lanka and genetic characterization of the parasite isolates. Veterinary Parasitology. 146:341-346.

Genetic and biologic characterization of Toxoplasma gondii isolates of cats from China - (Peer Reviewed Journal)

Dubey, J.P., Zhu, X.Q., Sundar, N., Zhang, H., Kwok, O.C., Su, C. 2007. Genetic and biologic characterization of Toxoplasma gondii isolates of cats from China. Veterinary Parasitology. 145:352-356.

Diverse and Atypical Genotypes Identified in Toxoplasma Gondii from Dogs in São Paulo, Brazil - (Peer Reviewed Journal)

Dubey, J.P., Gennari, S.M., Sundar, N., Vianna Mannola, C.B., Bandini, L.M., Yai, L.E., Kwok, O.C., Su, C. 2007. Diverse and atypical genotypes identified in Toxoplasma gondii from dogs in São Paulo, Brazil. Journal of Parasitology. 93:60-64.

Comparison of serological methods for the diagnosis of Neospora caninum infection in cattle - (Peer Reviewed Journal)

Wapenaar, W., Barkema, H.W., Van Leeuwen, J.A., Mc Clure, J.T., O'Handley, R.M., Kwok, O.C., Thulliez, P., Dubey, J.P., Jenkins, M.C. 2007. Comparison of serological methods for the diagnosis of Neospora caninum infection in cattle. Veterinary Parasitology. 143:166-173.

Biologic and Genetic Comparison of Toxoplasma Gondii Isolates in Free-Range Chickens from the Northern Pará State and the Southern State Rio Grande Do Sul, Brazil Revealed Highly Diverse and Distinct Parasite Populations - (Peer Reviewed Journal)

Dubey, J.P., Sundar, N., Gennari, S.M., Minervino, A.H., Farias, N., Ruas, J.L., Santos, T., Cavalcante, G.T., Kwok, O.C., Su, C. 2007. Biologic and genetic comparison of Toxoplasma gondii isolates in free-range chickens from the northern pará state and the southern state Rio Grande do Sul, Brazil revealed highly diverse and distinct parasite populations. Veterinary Parasitology. 143:182-188.

Biologic and Genetic Characteristics of Toxoplasma Gondii in Free-Range Chickens from Nicaragua, Central America - (Peer Reviewed Journal)

Dubey, J.P., Su, C., Pineda, N., Kyvsgaard, N.C., Sundar, N., Luna, L.A., Rimbaud, E., Oliveira, J.B., Qi, Y., Kwok, O.C. 2006. Biologic and genetic characteristics of Toxoplasma gondii in free-range chickens from Nicaragua, Central America. Veterinary Parasitology. 142:47-53.

Prevalence of Toxoplasma Gondii in Rats (Rattus Norvegicus) in Grenada, West Indies - (Peer Reviewed Journal)

Dubey, J.P., Bhaiyat, M.I., Macpherson, C.L., De Allie, C., Chikweto, A., Kwok, O.C., Sharma, R.N. 2006. Prevalence of Toxoplasma gondii in rats (Rattus norvegicus) in Grenada, West Indies. Veterinary Parasitology. 92:1107-1108.

Characterization of Toxoplasmaa Gondii Isolates in Free-Range Chickens from Chile, South America - (Peer Reviewed Journal)

Dubey, J.P., Patitucci, A.N., Su, C., Sundar, N., Kwok, O.C., Shen, S.K. 2006. Characterization of Toxoplasmaa gondii isolates in free-range chickens from Chile, South America. Veterinary Parasitology. 140:76-82.

Characterization of Toxoplasma Gondii Isolates from Cats from Colombia, South America - (Peer Reviewed Journal)

Dubey, J.P., Su, C., Vecino, J.C., Sundar, N., Gomez, J.E., Lora, F., Jimenez, J., Kwok, O.C., Shen, S.K., Zhang, X., Nieto, A. 2006. Characterization of Toxoplasma gondii isolates from cats from Colombia, South America. Veterinary Parasitology. 141:42-47.

Biologic and Genetic Characteristics of Toxoplasma Gondii Isolates in Free-Range Chickens from Costa Rica, Central America - (Peer Reviewed Journal)

Dubey, J.P., Su, C., De Ikuverua, J.B., Morales, J.A., Bolanos, R.V., Sundar, N., Kwok, O.C., Shen, S.K. 2006. Biologic and genetic characteristics of toxoplasma gondii isolates in free-range chickens from costa rica, central america. Veterinary Parasitology. 139:29-36.

Genetic and Biologic Characteristics of Toxoplasma Gondii Isolates in Free-Range Chickens from Columbia, South America - (Peer Reviewed Journal)

Dubey, J.P., Gomez, J.E., Bedoya, A., Lora, F., Vianna, M., Hill, D.E., Kwok, O.C., Shen, S.K., Marcet, P.L., Lehmann, T. 2005. Genetic and biologic characteristics of toxoplasma gondii isolates in free-range chickens from Columbia, South America. Veterinary Parasitology. 134:67-72.

Prevalence of Viable Toxoplasma Gondii in Beef, Chicken, and Pork from Retail Meat Stores in the United States and Risk Assesment to Consumers - (Peer Reviewed Journal)

Dubey, J.P., Hill, D.E., Jones, J.L., Hightower, A.W., Kirkland, E., Roberts, J.M., Marcet, P.L., Lehmann, T., Vianna, M., Miska, K.B., Sreekumar, C., Kwok, O.C., Shen, S.K., Gamble, H.R. 2005. Prevalence of viable toxoplasma gondii in beef, chicken, and pork from retail meat stores in the united states and risk assesment to consumers. Journal of Parasitology 91:1082-1093.

Genetic and Biologic Characteristics of Toxoplasma Gondii Infections in Free-Range Chickens from Austria - (Peer Reviewed Journal)

Dubey, J.P., Edelhofer, R., Marcet, P., Vianna, M., Kwok, O.C., Lehmann, T. 2005. Genetic and biologic characteristics of Toxoplasma gondii infections in free-range chickens from Austria. Veterinary Parasitology 133:299-306.

A Comparison of Four Serologic Tests to Detect Antibodies to Toxoplasma Gondii in Naturally-Exposed Bottlenose Dolphins (Tursiops Truncatus). - (Peer Reviewed Journal)

Dubey, J.P., Fair, P.A., Bossart, G.D., Hill, D.E., Fayer, R., Sreekumar, C., Kwok, O.C., Thulliez, P. 2005. A comparison of four serologic tests to detect antibodies to toxoplasma gondii in naturally-exposed bottlenose dolphins (tursiops truncatus). Journal of Parasitology. 91:1074-1081.

Isolation, Tissue Distribution, and Molecular Characterization of Toxoplasma Gondii from Chickens from Grenada, West Indies. - (Peer Reviewed Journal)

Dubey, J.P., Bhalyat, M.I., Miska, K.B., Macpherson, C.N., Sharma, R.N., Sreekumar, C., Hill, D.E., Shen, S.K., Kwok, O.C., Lehmann, T. 2004. Isolation, tissue distribution, and molecular characterization of toxoplasma gondii from chickens from Grenada, West Indies. Journal of Parasitology. 91(3):557-560.

Biologic, Morphologic and Molecular Characterization of Neospora Caninum Isolates from Littermate Dogs - (Abstract)

Dubey, J.P., Sreekumar, C., Knickman, E., Miska, K.B., Vianna, M., Kwok, O.C., Hill, D.E., Jenkins, M.C., Lindsay, D.S., Greene, C.E. 2004. Biologic, morphologic and molecular characterization of neospora caninum isolates from littermate dogs (Abstract). COST 454 Annual Conference, Protozoal Reproduction Losses in Farm Ruminants. p.1.

First Biologic and Genetic Characterization of Toxoplasma Gondii Isolates from Chickens from Africa (Democratic Republic of Congo, Mali, Burkina Faso, and Kenya. - (Peer Reviewed Journal)

Dubey, J.P., Karhemere, S., Dahl, E., Sreekumar, C., Diabate, A., Dabire, K.R., Vianna, M.C., Kwok, O.C., Lehmann, T. 2004. First biologic and genetic characterization of Toxoplasma gondii isolates from chickens from Africa (Democratic Republic of Congo, Mali, Burkina Faso, and Kenya. Journal of Parasitology. 91(1):69-72.

Clinical, Biologic, Morphologic, and Molecular Characterisation of Neospora Caninum Infections in Littermate Dogs - (Peer Reviewed Journal)

Dubey, J.P., Sreekumar, C., Knickman, E., Miska, K.B., Vianna, M.C., Kwok, O.C., Hill, D.E., Jenkins, M.C., Lindsay, D.S., Greene, C.E. 2004. Clinical, biologic, morphologic, and molecular characterisation of neospora caninum infections in littermate dogs. International Journal for Parasitology 34:1157-1167.

Tissue Distribution and Molecular Chracterization of Chicken Isolates of Toxoplasma Gondii from Peru. - (Abstract)

Dubey, J.P., Levy, M., Sreekumar, C., Kwok, O.C., Shen, S.K., Dahl, E., Thulliez, P., Lehmann, T. 2004. Tissue distribution and molecular chracterization of chicken isolates of toxoplasma gondii from Peru. American Society of Parasitologists 90: 1015-1018.

Tissue Distribution and Molecular Characteizaton of Chicken Isolates of Toxoplasma Gondii from Peru - (Peer Reviewed Journal)

Dubey, J.P., Levy, M.Z., Sreekumar, C., Kwok, O.C., Shen, S.K., Dahl, E., Thulliez, P., Lehmann, T. 2004. Tissue distribution and molecular characterization of chicken isolates of Toxoplasma gondii from Peru. Journal of Parasitology. 90(5):1015-1018.

High Prevalence of Toxoplasma Gondii in a Commercial Flock of Chickens in Israel, and Public Health Implications of Free-Range Farming. - (Peer Reviewed Journal)

Dubey, J.P., Salant, H., Sreekumar, C., Dahl, E., Vianna, M.C., Shen, S.K., Kwok, O.C., Spira, D., Hamburger, J., Lehmann, T.V. 2004. High prevalence of Toxoplasma gondii in a commercial flock of chickens in Israel, and public health implications of free-range farming. Veterinary Parasitology. 121:317-322.

Molecular and Biologic Characteristics of Isolates of Toxoplasma Gondii from Wildlife in the United States - (Peer Reviewed Journal)

Dubey, J.P., Graham, D.H., De Young, R.W., Dahl, E., Eberhard, M.L., Nace, E.K., Won, K., Bishop, H., Punkosdy, G., Sreekumar, C., Vianna, M.C., Shen, S.K., Kwok, O.C., Sumners, J.A., Demarais, S., Humphreys, J.G., Lehmann, T. 2003. Molecular and biologic characteristics of isolates of toxoplasma gondii from wildlife in the united states. Journal of Parasitology 90:67-71.

Toxoplasma Gondii, Neospora Caninum, Sarcocystis Neurona, and Sarcocystis Canis-Like Infections in Marine Mammals - (Peer Reviewed Journal)

Dubey, J.P., Zarnke, R., Thomas, N.J., Wong, S.K., Van Bonn, W., Briggs, M., Davis, J.W., Ewing, R., Mensea, M., Kwok, O.C.H., Romand S., Thulliez, P. 2004. Toxoplasma gondii, Neospora caninum, Sarcocystis neurona, and Sarcocystis canis-like infections in marine mammals. Veterinary Parasitology. 116:275-296.

Isolation and Molecular Characteriatoin of Toxoplasma Gondii from Chickens and Ducks from Egypt - (Peer Reviewed Journal)

DUBEY, J.P., GRAHAM, D.H., DAHL, E., HILAI, M., EL-GHAYSH, A., SREEUMAR, C., KWOK, O.C., SHEN, S.K., LEHMANN, T. ISOLATION AND MOLECULAR CHARACTERIATOIN OF TOXOPLASMA GONDII FROM CHICKENS AND DUCKS FROM EGYPT. VETERINARY PARASITOLOGY 114:89-95, 2003.

Prevalence of Toxoplasma Gondii in Chickens from a Highly Endemic Area to Humans in Southern Brazil - (Peer Reviewed Journal)

Seipel Da Silva Azer, D., Bahia-Oliveira, L.M., Shen, S.K., Kwok, O.C., Lehman, T., Dubey, J.P. 2003. Prevalence of toxoplasma gondii in chickens from a highly endemic area to humans in southern brazil. Journal of Parasitology 89:394-396.

Prevalence of Antibodies to Neospora Caninum and Sarcocystis Neurona in Sera of Domestic Cats from Brazil - (Peer Reviewed Journal)

Dubey, J.P., Lindsay, D.S., Hill, D.E., Romand, S., Thulliez, P., Kwok, O.C., Silva, J., Oliveira-Camargo, M.C., Gennari, S.M. 2002. Prevalence of antibodies to neospora caninum and sarcocystis neurona in sera of domestic cats from brazil. Journal of Parasitology 88:1251-1252.

Occurrence of Neospora Caninum Antibodies in Sera from Dogs of the City of Sao Paulo, Brazil - (Peer Reviewed Journal)

Gennari, S.M., Yai, L.O., D'Auria, S.R., Cardoso, S.S., Kwok, O.C., Jenkins, M.C., Dubey, J.P. 2002. Occurrence of neospora caninum antibodies in sera from dogs of the city of sao paulo, brazil. Veterinary Parasitology 106:177-179.

Establishment of Besnoitia Darlingi from Opossums (Didelphis Virginiana) in Experimental Intermediate and Definitive Hosts, Propagation in Cell Culture, and Description of Ultrastructural and Genetic Characteristics - (Peer Reviewed Journal)

Dubey, J.P., Lindsay, D.S., Rosenthal, B.M., Sreekumar, C., Hill, D.E., Shen, S.K., Kwok, O.C., Rickard, L.G., Black, S.S., Rashmir-Raven, A. 2002. Establishment of besnoitia darlingi from opossums (didelphis virginiana) in experimental intermediate and definitive hosts, propagation in cell culture, and description of ultrastructural and genetic characteristics. International Journal for Parasitology 32:1053-1064.