Genotyping Toxoplasma gondii from wildlife in Pennsylvania and identification of natural recombinants virulent to mice
Identifieur interne : 000153 ( Main/Exploration ); précédent : 000152; suivant : 000154Genotyping Toxoplasma gondii from wildlife in Pennsylvania and identification of natural recombinants virulent to mice
Auteurs : J. P. Dubey [États-Unis] ; K. Van Why [États-Unis] ; S. K. Verma [États-Unis] ; S. Choudhary [États-Unis] ; O. C. H. Kwok [États-Unis] ; A. Khan [États-Unis] ; M. S. Behinke [États-Unis] ; L. D. Sibley [États-Unis] ; L. R. Ferreira [États-Unis] ; S. Oliveira [États-Unis] ; M. Weaver [États-Unis] ; R. Stewart [États-Unis] ; C. Su [États-Unis]Source :
- Veterinary parasitology [ 0304-4017 ] ; 2013.
Abstract
Recent studies indicated the predominance of
Url:
DOI: 10.1016/j.vetpar.2013.11.001
PubMed: 24332401
PubMed Central: 4526132
Affiliations:
- États-Unis
- Maryland, Missouri (État), Pennsylvanie, Tennessee
- Saint-Louis (Missouri)
- École de médecine (Université Washington de Saint-Louis)
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Le document en format XML
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from wildlife in Pennsylvania and identification of natural recombinants virulent to mice</title>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Genotyping <italic>Toxoplasma gondii</italic>
from wildlife in Pennsylvania and identification of natural recombinants virulent to mice</title>
<author><name sortKey="Dubey, J P" sort="Dubey, J P" uniqKey="Dubey J" first="J. P." last="Dubey">J. P. Dubey</name>
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<country xml:lang="fr">États-Unis</country>
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<placeName><region type="state">Maryland</region>
</placeName>
</affiliation>
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<author><name sortKey="Van Why, K" sort="Van Why, K" uniqKey="Van Why K" first="K." last="Van Why">K. Van Why</name>
<affiliation wicri:level="2"><nlm:aff id="A2">United States Department of Agriculture, Animal Plant Health Inspection Service, Wildlife Services, Harrisburg, PA 17106-0827, USA</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>United States Department of Agriculture, Animal Plant Health Inspection Service, Wildlife Services, Harrisburg, PA 17106-0827</wicri:regionArea>
<placeName><region type="state">Pennsylvanie</region>
</placeName>
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<author><name sortKey="Verma, S K" sort="Verma, S K" uniqKey="Verma S" first="S. K." last="Verma">S. K. Verma</name>
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<country xml:lang="fr">États-Unis</country>
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</placeName>
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<author><name sortKey="Choudhary, S" sort="Choudhary, S" uniqKey="Choudhary S" first="S." last="Choudhary">S. Choudhary</name>
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<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>United States Department of Agriculture, Agricultural Research Service, Animal and Natural Resources Institute, Animal Parasitic Diseases Laboratory, Building 1001, Beltsville, MD 20705-2350</wicri:regionArea>
<placeName><region type="state">Maryland</region>
</placeName>
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<author><name sortKey="Kwok, O C H" sort="Kwok, O C H" uniqKey="Kwok O" first="O. C. H." last="Kwok">O. C. H. Kwok</name>
<affiliation wicri:level="2"><nlm:aff id="A1">United States Department of Agriculture, Agricultural Research Service, Animal and Natural Resources Institute, Animal Parasitic Diseases Laboratory, Building 1001, Beltsville, MD 20705-2350, USA</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>United States Department of Agriculture, Agricultural Research Service, Animal and Natural Resources Institute, Animal Parasitic Diseases Laboratory, Building 1001, Beltsville, MD 20705-2350</wicri:regionArea>
<placeName><region type="state">Maryland</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Khan, A" sort="Khan, A" uniqKey="Khan A" first="A." last="Khan">A. Khan</name>
<affiliation wicri:level="4"><nlm:aff id="A3">Department of Molecular Microbiology, Washington University School of Medicine, 660 S. Euclid Avenue, St. Louis, MO 63110, USA</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Molecular Microbiology, Washington University School of Medicine, 660 S. Euclid Avenue, St. Louis, MO 63110</wicri:regionArea>
<placeName><region type="state">Missouri (État)</region>
<settlement type="city">Saint-Louis (Missouri)</settlement>
</placeName>
<orgName type="university">École de médecine (Université Washington de Saint-Louis)</orgName>
</affiliation>
</author>
<author><name sortKey="Behinke, M S" sort="Behinke, M S" uniqKey="Behinke M" first="M. S." last="Behinke">M. S. Behinke</name>
<affiliation wicri:level="4"><nlm:aff id="A3">Department of Molecular Microbiology, Washington University School of Medicine, 660 S. Euclid Avenue, St. Louis, MO 63110, USA</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Molecular Microbiology, Washington University School of Medicine, 660 S. Euclid Avenue, St. Louis, MO 63110</wicri:regionArea>
<placeName><region type="state">Missouri (État)</region>
<settlement type="city">Saint-Louis (Missouri)</settlement>
</placeName>
<orgName type="university">École de médecine (Université Washington de Saint-Louis)</orgName>
</affiliation>
</author>
<author><name sortKey="Sibley, L D" sort="Sibley, L D" uniqKey="Sibley L" first="L. D." last="Sibley">L. D. Sibley</name>
<affiliation wicri:level="4"><nlm:aff id="A3">Department of Molecular Microbiology, Washington University School of Medicine, 660 S. Euclid Avenue, St. Louis, MO 63110, USA</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Molecular Microbiology, Washington University School of Medicine, 660 S. Euclid Avenue, St. Louis, MO 63110</wicri:regionArea>
<placeName><region type="state">Missouri (État)</region>
<settlement type="city">Saint-Louis (Missouri)</settlement>
</placeName>
<orgName type="university">École de médecine (Université Washington de Saint-Louis)</orgName>
</affiliation>
</author>
<author><name sortKey="Ferreira, L R" sort="Ferreira, L R" uniqKey="Ferreira L" first="L. R." last="Ferreira">L. R. Ferreira</name>
<affiliation wicri:level="2"><nlm:aff id="A1">United States Department of Agriculture, Agricultural Research Service, Animal and Natural Resources Institute, Animal Parasitic Diseases Laboratory, Building 1001, Beltsville, MD 20705-2350, USA</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>United States Department of Agriculture, Agricultural Research Service, Animal and Natural Resources Institute, Animal Parasitic Diseases Laboratory, Building 1001, Beltsville, MD 20705-2350</wicri:regionArea>
<placeName><region type="state">Maryland</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Oliveira, S" sort="Oliveira, S" uniqKey="Oliveira S" first="S." last="Oliveira">S. Oliveira</name>
<affiliation wicri:level="2"><nlm:aff id="A1">United States Department of Agriculture, Agricultural Research Service, Animal and Natural Resources Institute, Animal Parasitic Diseases Laboratory, Building 1001, Beltsville, MD 20705-2350, USA</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>United States Department of Agriculture, Agricultural Research Service, Animal and Natural Resources Institute, Animal Parasitic Diseases Laboratory, Building 1001, Beltsville, MD 20705-2350</wicri:regionArea>
<placeName><region type="state">Maryland</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Weaver, M" sort="Weaver, M" uniqKey="Weaver M" first="M." last="Weaver">M. Weaver</name>
<affiliation wicri:level="2"><nlm:aff id="A4">Department of Biology, College of Arts and Sciences, Shippensburg University, Shippensburg, PA 17257, USA</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Biology, College of Arts and Sciences, Shippensburg University, Shippensburg, PA 17257</wicri:regionArea>
<placeName><region type="state">Pennsylvanie</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Stewart, R" sort="Stewart, R" uniqKey="Stewart R" first="R." last="Stewart">R. Stewart</name>
<affiliation wicri:level="2"><nlm:aff id="A4">Department of Biology, College of Arts and Sciences, Shippensburg University, Shippensburg, PA 17257, USA</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Biology, College of Arts and Sciences, Shippensburg University, Shippensburg, PA 17257</wicri:regionArea>
<placeName><region type="state">Pennsylvanie</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Su, C" sort="Su, C" uniqKey="Su C" first="C." last="Su">C. Su</name>
<affiliation wicri:level="2"><nlm:aff id="A5">Department of Microbiology, The University of Tennessee, Knoxville, TN 37996-0845, USA</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Microbiology, The University of Tennessee, Knoxville, TN 37996-0845</wicri:regionArea>
<placeName><region type="state">Tennessee</region>
</placeName>
</affiliation>
</author>
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<series><title level="j">Veterinary parasitology</title>
<idno type="ISSN">0304-4017</idno>
<idno type="eISSN">1873-2550</idno>
<imprint><date when="2013">2013</date>
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<front><div type="abstract" xml:lang="en"><p id="P1">Recent studies indicated the predominance of <italic>Toxoplasma gondii</italic>
haplogroup 12 in wildlife in USA. But still little is known of the genetic diversity of this parasite circulating in wildlife. In the present study, we tested coyotes (<italic>Canis latrans</italic>
), red foxes (<italic>Vulpes vulpes</italic>
), white-tailed deer (<italic>Odocoileus virginianus</italic>
), and geese (<italic>Branta canadensis</italic>
) from the state of Pennsylvania for <italic>T. gondii</italic>
infection. Antibodies to <italic>T. gondii</italic>
were found in 160 of 367 animals, including 92 (34.5%) of 266 coyotes, 49 (62.0%) of 79 white-tailed deer, 17 (85.0%) of 20 red fox, and two of two Canada geese tested by the modified agglutination test (cut off titer 1:25). Tissues from 105 seropositive animals were bioassayed in mice, and viable <italic>T. gondii</italic>
was isolated from 29 animals, including 10 of 53 coyotes, 11 of 16 foxes, 7 of 49 deer, and one of one goose. DNA isolated from culture-derived tachyzoites of these isolates was characterized initially using multilocus PCR-RFLP markers. Nine genotypes were revealed, including ToxoDB PCR-RFLP #1 (4 isolates), #2 (2 isolates), #3 (4 isolates), #4 (6 isolates), #5 (4 isolates), #54 (1 isolate), #141 (1 isolate), #143 (1 isolate), and #216 (6 isolates), indicating high genetic diversity of <italic>T. gondii</italic>
in wildlife in Pennsylvania. Pathogenicity of six <italic>T. gondii</italic>
isolates (5 of #216 and #141) was determined in outbred Swiss Webster mice. Three of #216 and the #141 isolates were acute virulent to mice, and the other 2 #216 isolates were intermediate virulent. To determine the extent of genetic variation of these as well as a few recently reported virulent isolates from wildlife in North America, intron sequences were generated. Analysis of intron sequences and PCR-RFLP genotyping results indicated that the #216 isolates are likely derived from recombination of the clonal type I and III lineages. To determine if <italic>T. gondii</italic>
virulence can be predicted by typing, we genotyped a collection of strains using PCR-RFLP markers for polymorphic genes <italic>ROP5</italic>
, <italic>ROP16</italic>
, <italic>ROP18</italic>
and <italic>GRA15</italic>
, which are known to interact with host immune response. The results showed that there is an association of genotypes of <italic>ROP5</italic>
and <italic>ROP18</italic>
with mouse-virulence, however, additional gene(s) may also contribute to virulence in distinct <italic>T. gondii</italic>
genotypes.</p>
</div>
</front>
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<affiliations><list><country><li>États-Unis</li>
</country>
<region><li>Maryland</li>
<li>Missouri (État)</li>
<li>Pennsylvanie</li>
<li>Tennessee</li>
</region>
<settlement><li>Saint-Louis (Missouri)</li>
</settlement>
<orgName><li>École de médecine (Université Washington de Saint-Louis)</li>
</orgName>
</list>
<tree><country name="États-Unis"><region name="Maryland"><name sortKey="Dubey, J P" sort="Dubey, J P" uniqKey="Dubey J" first="J. P." last="Dubey">J. P. Dubey</name>
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<name sortKey="Behinke, M S" sort="Behinke, M S" uniqKey="Behinke M" first="M. S." last="Behinke">M. S. Behinke</name>
<name sortKey="Choudhary, S" sort="Choudhary, S" uniqKey="Choudhary S" first="S." last="Choudhary">S. Choudhary</name>
<name sortKey="Ferreira, L R" sort="Ferreira, L R" uniqKey="Ferreira L" first="L. R." last="Ferreira">L. R. Ferreira</name>
<name sortKey="Khan, A" sort="Khan, A" uniqKey="Khan A" first="A." last="Khan">A. Khan</name>
<name sortKey="Kwok, O C H" sort="Kwok, O C H" uniqKey="Kwok O" first="O. C. H." last="Kwok">O. C. H. Kwok</name>
<name sortKey="Oliveira, S" sort="Oliveira, S" uniqKey="Oliveira S" first="S." last="Oliveira">S. Oliveira</name>
<name sortKey="Sibley, L D" sort="Sibley, L D" uniqKey="Sibley L" first="L. D." last="Sibley">L. D. Sibley</name>
<name sortKey="Stewart, R" sort="Stewart, R" uniqKey="Stewart R" first="R." last="Stewart">R. Stewart</name>
<name sortKey="Su, C" sort="Su, C" uniqKey="Su C" first="C." last="Su">C. Su</name>
<name sortKey="Van Why, K" sort="Van Why, K" uniqKey="Van Why K" first="K." last="Van Why">K. Van Why</name>
<name sortKey="Verma, S K" sort="Verma, S K" uniqKey="Verma S" first="S. K." last="Verma">S. K. Verma</name>
<name sortKey="Weaver, M" sort="Weaver, M" uniqKey="Weaver M" first="M." last="Weaver">M. Weaver</name>
</country>
</tree>
</affiliations>
</record>
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