Restriction fragment length polymorphisms of virulence plasmids in Rhodococcus equi
Identifieur interne : 00C645 ( Main/Exploration ); précédent : 00C644; suivant : 00C646Restriction fragment length polymorphisms of virulence plasmids in Rhodococcus equi
Auteurs : S. Takai [Japon] ; M. Shoda [Japon] ; Y. Sasaki [Japon] ; S. Tsubaki [Japon] ; G. Fortier [France] ; S. Pronost [France] ; K. Rahal [France] ; T. Becu [Argentine] ; A. Begg [Australie] ; G. Browning [Australie] ; V. M. Nicholson [Canada] ; J. F. Prescott [Canada]Source :
- Journal of clinical microbiology [ 0095-1137 ] ; 1999.
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- Pascal (Inist)
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Abstract
Virulent Rhodococcus equi, which is a well-known cause of pyogranulomatous pneumonia in foals, possesses a large plasmid encoding virulence-associated 15- to 17-kDa antigens. Foal and soil isolates from five countries-Argentina, Australia, Canada, France, and Japan-were investigated for the presence of 15- to 17-kDa antigens by colony blotting, using the monoclonal antibody 10G5, and the gene coding for 15- to 17-kDa antigens by PCR. Plasmid DNAs extracted from positive isolates were digested with restriction endonucleases BamHI, EcoRI, EcoT22I, and HindIII, and the digestion patterns that resulted divided the plasmids of virulent isolates into five closely related types. Three of the five types had already been reported in Canadian and Japanese isolates, and the two new types had been found in French and Japanese isolates. Therefore, we tentatively designated these five types 85-kb type I (pREAT701), 85-kb type II (a new type), 87-kb type I (EcoRI and BamHI type 2 [V. M. Nicholson and J. F. Prescott, J. Clin. Microbiol. 35:738-740, 1997]), 87-kb type II (a new type), and 90-kb (pREL1) plasmids. The 85-kb type I plasmid was found in isolates from Argentina, Australia, Canada, and France. Plasmid 87-kb type I was isolated in specimens from Argentina, Canada, and France. The 85-kb type II plasmid appeared in isolates from France. On the other hand, plasmids 87-kb type II and 90-kb were found only in isolates from Japan. These results revealed geographic differences in the distribution of the virulence plasmids found in the five countries and suggested that the restriction fragment length polymorphism of virulence plasmids might be useful to elucidate the molecular epidemiology of virulent R. equi in the world.
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Becu</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Clínica Equina S.R.L.</s1><s2>Capitán Sarmiento, Provincia de Buenos Aires</s2><s3>ARG</s3><sZ>8 aut.</sZ></inist:fA14><country>Argentine</country><wicri:noRegion>Clínica Equina S.R.L.</wicri:noRegion></affiliation></author><author><name sortKey="Begg, A" sort="Begg, A" uniqKey="Begg A" first="A." last="Begg">A. Begg</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Scone Veterinary Diagnostic Laboratory</s1><s2>Scone</s2><s3>AUS</s3><sZ>9 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Scone Veterinary Diagnostic Laboratory</wicri:noRegion></affiliation></author><author><name sortKey="Browning, G" sort="Browning, G" uniqKey="Browning G" first="G." last="Browning">G. Browning</name><affiliation wicri:level="4"><inist:fA14 i1="06"><s1>Veterinary Preclinical Center, The University of Melbourne</s1><s2>Parkville, Victoria 3052</s2><s3>AUS</s3><sZ>10 aut.</sZ></inist:fA14><country>Australie</country><placeName><settlement type="city">Melbourne</settlement><region type="état">Victoria (État)</region></placeName><orgName type="university">Université de Melbourne</orgName></affiliation></author><author><name sortKey="Nicholson, V M" sort="Nicholson, V M" uniqKey="Nicholson V" first="V. M." last="Nicholson">V. M. Nicholson</name><affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Ontario Veterinary College, University of Guelph</s1><s2>Ontario</s2><s3>CAN</s3><sZ>11 aut.</sZ><sZ>12 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Ontario</wicri:noRegion></affiliation></author><author><name sortKey="Prescott, J F" sort="Prescott, J F" uniqKey="Prescott J" first="J. F." last="Prescott">J. F. 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Takai</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Kitasato University</s1><s2>Towada, Aomori 034-8628</s2><s3>JPN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Kitasato University</wicri:noRegion></affiliation></author><author><name sortKey="Shoda, M" sort="Shoda, M" uniqKey="Shoda M" first="M." last="Shoda">M. Shoda</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Kitasato University</s1><s2>Towada, Aomori 034-8628</s2><s3>JPN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Kitasato University</wicri:noRegion></affiliation></author><author><name sortKey="Sasaki, Y" sort="Sasaki, Y" uniqKey="Sasaki Y" first="Y." last="Sasaki">Y. Sasaki</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Kitasato University</s1><s2>Towada, Aomori 034-8628</s2><s3>JPN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Kitasato University</wicri:noRegion></affiliation></author><author><name sortKey="Tsubaki, S" sort="Tsubaki, S" uniqKey="Tsubaki S" first="S." last="Tsubaki">S. Tsubaki</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Kitasato University</s1><s2>Towada, Aomori 034-8628</s2><s3>JPN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Kitasato University</wicri:noRegion></affiliation></author><author><name sortKey="Fortier, G" sort="Fortier, G" uniqKey="Fortier G" first="G." last="Fortier">G. Fortier</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Laboratoire Frank Duncombe</s1><s2>Caen, Calvados</s2><s3>FRA</s3><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>Calvados</wicri:noRegion><wicri:noRegion>Laboratoire Frank Duncombe</wicri:noRegion><wicri:noRegion>Laboratoire Frank Duncombe</wicri:noRegion></affiliation></author><author><name sortKey="Pronost, S" sort="Pronost, S" uniqKey="Pronost S" first="S." last="Pronost">S. Pronost</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Laboratoire Frank Duncombe</s1><s2>Caen, Calvados</s2><s3>FRA</s3><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>Calvados</wicri:noRegion><wicri:noRegion>Laboratoire Frank Duncombe</wicri:noRegion><wicri:noRegion>Laboratoire Frank Duncombe</wicri:noRegion></affiliation></author><author><name sortKey="Rahal, K" sort="Rahal, K" uniqKey="Rahal K" first="K." last="Rahal">K. Rahal</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>École Nationale Vétérinaire de Lyon</s1><s3>FRA</s3><sZ>7 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>École Nationale Vétérinaire de Lyon</wicri:noRegion><wicri:noRegion>École Nationale Vétérinaire de Lyon</wicri:noRegion></affiliation></author><author><name sortKey="Becu, T" sort="Becu, T" uniqKey="Becu T" first="T." last="Becu">T. Becu</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Clínica Equina S.R.L.</s1><s2>Capitán Sarmiento, Provincia de Buenos Aires</s2><s3>ARG</s3><sZ>8 aut.</sZ></inist:fA14><country>Argentine</country><wicri:noRegion>Clínica Equina S.R.L.</wicri:noRegion></affiliation></author><author><name sortKey="Begg, A" sort="Begg, A" uniqKey="Begg A" first="A." last="Begg">A. Begg</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Scone Veterinary Diagnostic Laboratory</s1><s2>Scone</s2><s3>AUS</s3><sZ>9 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Scone Veterinary Diagnostic Laboratory</wicri:noRegion></affiliation></author><author><name sortKey="Browning, G" sort="Browning, G" uniqKey="Browning G" first="G." last="Browning">G. Browning</name><affiliation wicri:level="4"><inist:fA14 i1="06"><s1>Veterinary Preclinical Center, The University of Melbourne</s1><s2>Parkville, Victoria 3052</s2><s3>AUS</s3><sZ>10 aut.</sZ></inist:fA14><country>Australie</country><placeName><settlement type="city">Melbourne</settlement><region type="état">Victoria (État)</region></placeName><orgName type="university">Université de Melbourne</orgName></affiliation></author><author><name sortKey="Nicholson, V M" sort="Nicholson, V M" uniqKey="Nicholson V" first="V. M." last="Nicholson">V. M. Nicholson</name><affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Ontario Veterinary College, University of Guelph</s1><s2>Ontario</s2><s3>CAN</s3><sZ>11 aut.</sZ><sZ>12 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Ontario</wicri:noRegion></affiliation></author><author><name sortKey="Prescott, J F" sort="Prescott, J F" uniqKey="Prescott J" first="J. F." last="Prescott">J. F. Prescott</name><affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Ontario Veterinary College, University of Guelph</s1><s2>Ontario</s2><s3>CAN</s3><sZ>11 aut.</sZ><sZ>12 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Ontario</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Journal of clinical microbiology</title><title level="j" type="abbreviated">J. clin. microbiol.</title><idno type="ISSN">0095-1137</idno><imprint><date when="1999">1999</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal of clinical microbiology</title><title level="j" type="abbreviated">J. clin. microbiol.</title><idno type="ISSN">0095-1137</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Bacteriosis</term><term>Genetic variability</term><term>Genotype</term><term>Geographical variation</term><term>Horse</term><term>Molecular epidemiology</term><term>Plasmid</term><term>Polymerase chain reaction</term><term>Restriction fragment length polymorphism</term><term>Rhodococcus equi</term><term>Typing</term><term>Young animal</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Rhodococcus equi</term><term>Bactériose</term><term>Animal jeune</term><term>Cheval</term><term>Epidémiologie moléculaire</term><term>Typage</term><term>Génotype</term><term>Plasmide</term><term>Variabilité génétique</term><term>Polymorphisme longueur fragment restriction</term><term>Réaction chaîne polymérase</term><term>Variation géographique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Virulent Rhodococcus equi, which is a well-known cause of pyogranulomatous pneumonia in foals, possesses a large plasmid encoding virulence-associated 15- to 17-kDa antigens. Foal and soil isolates from five countries-Argentina, Australia, Canada, France, and Japan-were investigated for the presence of 15- to 17-kDa antigens by colony blotting, using the monoclonal antibody 10G5, and the gene coding for 15- to 17-kDa antigens by PCR. Plasmid DNAs extracted from positive isolates were digested with restriction endonucleases BamHI, EcoRI, EcoT22I, and HindIII, and the digestion patterns that resulted divided the plasmids of virulent isolates into five closely related types. Three of the five types had already been reported in Canadian and Japanese isolates, and the two new types had been found in French and Japanese isolates. Therefore, we tentatively designated these five types 85-kb type I (pREAT701), 85-kb type II (a new type), 87-kb type I (EcoRI and BamHI type 2 [V. M. Nicholson and J. F. Prescott, J. Clin. Microbiol. 35:738-740, 1997]), 87-kb type II (a new type), and 90-kb (pREL1) plasmids. The 85-kb type I plasmid was found in isolates from Argentina, Australia, Canada, and France. Plasmid 87-kb type I was isolated in specimens from Argentina, Canada, and France. The 85-kb type II plasmid appeared in isolates from France. On the other hand, plasmids 87-kb type II and 90-kb were found only in isolates from Japan. These results revealed geographic differences in the distribution of the virulence plasmids found in the five countries and suggested that the restriction fragment length polymorphism of virulence plasmids might be useful to elucidate the molecular epidemiology of virulent R. equi in the world.</div></front></TEI><affiliations><list><country><li>Argentine</li><li>Australie</li><li>Canada</li><li>France</li><li>Japon</li></country><region><li>Victoria (État)</li></region><settlement><li>Melbourne</li></settlement><orgName><li>Université de Melbourne</li></orgName></list><tree><country name="Japon"><noRegion><name sortKey="Takai, S" sort="Takai, S" uniqKey="Takai S" first="S." last="Takai">S. Takai</name></noRegion><name sortKey="Sasaki, Y" sort="Sasaki, Y" uniqKey="Sasaki Y" first="Y." last="Sasaki">Y. Sasaki</name><name sortKey="Shoda, M" sort="Shoda, M" uniqKey="Shoda M" first="M." last="Shoda">M. Shoda</name><name sortKey="Tsubaki, S" sort="Tsubaki, S" uniqKey="Tsubaki S" first="S." last="Tsubaki">S. Tsubaki</name></country><country name="France"><noRegion><name sortKey="Fortier, G" sort="Fortier, G" uniqKey="Fortier G" first="G." last="Fortier">G. Fortier</name></noRegion><name sortKey="Pronost, S" sort="Pronost, S" uniqKey="Pronost S" first="S." last="Pronost">S. Pronost</name><name sortKey="Rahal, K" sort="Rahal, K" uniqKey="Rahal K" first="K." last="Rahal">K. Rahal</name></country><country name="Argentine"><noRegion><name sortKey="Becu, T" sort="Becu, T" uniqKey="Becu T" first="T." last="Becu">T. Becu</name></noRegion></country><country name="Australie"><noRegion><name sortKey="Begg, A" sort="Begg, A" uniqKey="Begg A" first="A." last="Begg">A. Begg</name></noRegion><name sortKey="Browning, G" sort="Browning, G" uniqKey="Browning G" first="G." last="Browning">G. Browning</name></country><country name="Canada"><noRegion><name sortKey="Nicholson, V M" sort="Nicholson, V M" uniqKey="Nicholson V" first="V. M." last="Nicholson">V. M. Nicholson</name></noRegion><name sortKey="Prescott, J F" sort="Prescott, J F" uniqKey="Prescott J" first="J. F." last="Prescott">J. F. Prescott</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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