Characterization of Toxoplasma gondii from Raccoons (Procyon lotor), Coyotes (Canis latrans), and Striped Skunks (Mephitis mephitis) in Wisconsin Identified Several Atypical Genotypes

During 2005–2006, sera and tissues from raccoons (Procyon lotor), coyotes (Canis latrans), and skunks (Mephitis mephitis) from the state of Wisconsin were tested for Toxoplasma gondii infection. Antibodies to T. gondii were found in 32 of 54 (59.2%) raccoons, 18 of 35 (51.4%) coyotes, and 5 of 7 (71...

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Veröffentlicht in:The Journal of parasitology 2007-12, Vol.93 (6), p.1524-1527
Hauptverfasser: Dubey, J. P, Sundar, N, Nolden, C. A, Samuel, M. D, Velmurugan, G. V, Bandini, L. A, Kwok, O. C H, Bodenstein, B, Su, C
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container_issue 6
container_start_page 1524
container_title The Journal of parasitology
container_volume 93
creator Dubey, J. P
Sundar, N
Nolden, C. A
Samuel, M. D
Velmurugan, G. V
Bandini, L. A
Kwok, O. C H
Bodenstein, B
Su, C
description During 2005–2006, sera and tissues from raccoons (Procyon lotor), coyotes (Canis latrans), and skunks (Mephitis mephitis) from the state of Wisconsin were tested for Toxoplasma gondii infection. Antibodies to T. gondii were found in 32 of 54 (59.2%) raccoons, 18 of 35 (51.4%) coyotes, and 5 of 7 (71.4%) skunks using the modified agglutination test and a cut-off titer of 1:20. Pooled tissues (brains, hearts, and tongues) from 30 raccoons, 15 coyotes, and 1 skunk were bioassayed for T. gondii infection in mice or cats. Viable T. gondii was isolated from 5 of 30 (16.7%) raccoons, 6 of 15 (40.0%) coyotes, and the skunk. Genetic characterization of the 12 parasite isolates by multilocus PCR-RFLP markers revealed 6 different genotypes including 5 atypical and 1 archetypal II lineages. The results indicate the prevalence of T. gondii in wildlife mammals is high and that these animals may serve as an important reservoir for transmission of T. gondii.
doi_str_mv 10.1645/GE-1245.1
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Models ; Genetic diversity ; Genetic Markers ; Genetic Variation ; Genotype ; Genotypes ; Invertebrates ; Lymphatic system ; Mammalia ; Marine mammals ; Mephitidae ; Mephitidae - parasitology ; Mephitis mephitis ; Mice ; Parasites ; Parasitology ; Polymerase chain reaction ; Polymerase Chain Reaction - veterinary ; Polymorphism, Restriction Fragment Length ; Procyon lotor ; Procyonidae ; Protozoa ; Raccoons - parasitology ; RESEARCH NOTES ; Restriction fragment length polymorphism ; Rodents ; Seroepidemiologic Studies ; Serology ; Skunks ; Toxoplasma - classification ; Toxoplasma - genetics ; Toxoplasma gondii ; Toxoplasmosis, Animal - epidemiology ; Toxoplasmosis, Animal - parasitology ; Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution ; Wildlife ; Wisconsin - epidemiology</subject><ispartof>The Journal of parasitology, 2007-12, Vol.93 (6), p.1524-1527</ispartof><rights>American Society of Parasitologists</rights><rights>Copyright 2007 American Society of Parasitologists</rights><rights>2008 INIST-CNRS</rights><rights>Copyright Allen Press Inc. 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subjects Agglutination
Agglutination Tests - veterinary
Alleles
Animals
Animals, Wild
Antibodies
Antibodies, Protozoan - blood
Bioassays
Biological and medical sciences
Biological Assay - veterinary
Canidae
Canis latrans
Cats
Coyotes - parasitology
Cysts
DNA, Protozoan - chemistry
Fundamental and applied biological sciences. Psychology
General aspects
General aspects and techniques. Study of several systematic groups. Models
Genetic diversity
Genetic Markers
Genetic Variation
Genotype
Genotypes
Invertebrates
Lymphatic system
Mammalia
Marine mammals
Mephitidae
Mephitidae - parasitology
Mephitis mephitis
Mice
Parasites
Parasitology
Polymerase chain reaction
Polymerase Chain Reaction - veterinary
Polymorphism, Restriction Fragment Length
Procyon lotor
Procyonidae
Protozoa
Raccoons - parasitology
RESEARCH NOTES
Restriction fragment length polymorphism
Rodents
Seroepidemiologic Studies
Serology
Skunks
Toxoplasma - classification
Toxoplasma - genetics
Toxoplasma gondii
Toxoplasmosis, Animal - epidemiology
Toxoplasmosis, Animal - parasitology
Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution
Wildlife
Wisconsin - epidemiology
title Characterization of Toxoplasma gondii from Raccoons (Procyon lotor), Coyotes (Canis latrans), and Striped Skunks (Mephitis mephitis) in Wisconsin Identified Several Atypical Genotypes
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