New gentotypes of Toxoplasma gondii obtained from farm animals in Northeast Brazil

Genotyping of Toxoplasma gondii in different regions of Brazil has shown high diversity and high frequency of virulent genotypes among Brazilian animals. The aim of the study was to characterize samples of T. gondii isolates obtained from naturally infected sheep, goats, pigs and free-range chickens...

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Bibliographic Details
Published in:	Research in veterinary science Vol. 94; no. 3; pp. 587 - 589
Main Authors:	Clementino Andrade, M.M., Pinheiro, B.V., Cunha, M.M., Carneiro, A.C.A.V., Andrade Neto, V.F., Vitor, R.W.A.
Format:	Journal Article
Language:	English
Published:	England Elsevier Ltd 01-06-2013 Elsevier India Pvt Ltd Elsevier Limited
Subjects:	Animals Bioassays Brazil - epidemiology Chicken chickens Chickens - parasitology Enzyme-Linked Immunosorbent Assay - veterinary Genotype Genotypes genotyping Goat Goat Diseases - epidemiology Goat Diseases - parasitology goats Goats - parasitology humans Infections mice Mice - parasitology Microbiology parasites Pig Poultry Poultry Diseases - epidemiology Poultry Diseases - parasitology Sheep Sheep - parasitology Sheep Diseases - epidemiology Sheep Diseases - parasitology swine Swine - parasitology Swine Diseases - epidemiology Swine Diseases - parasitology Toxoplasma - genetics Toxoplasma gondii Toxoplasmosis, Animal - epidemiology Toxoplasmosis, Animal - parasitology Veterinary medicine Brazil Rio Grande Sheep Goat Chicken Toxoplasma gondii Genotypes Pig
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Summary:	Genotyping of Toxoplasma gondii in different regions of Brazil has shown high diversity and high frequency of virulent genotypes among Brazilian animals. The aim of the study was to characterize samples of T. gondii isolates obtained from naturally infected sheep, goats, pigs and free-range chickens slaughtered for human consumption in Rio Grande do Norte, Northeast Brazil. Nineteen T. gondii samples (isolated from 1 goat, 5 pigs and 13 free-range chickens) were genotyped. Six different genotypes were identified, including two novel genotypes. The archetype genotypes, i.e., types I, II and III, were not found. In mice, seventeen isolates (89.5%) were classified as virulent, and only two (10.5%) were classified as avirulent. This study displays the genotypic variability of the parasite in Northeast Brazil.
Bibliography:	http://dx.doi.org/10.1016/j.rvsc.2013.01.006
ISSN:	0034-5288 1532-2661
DOI:	10.1016/j.rvsc.2013.01.006