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dc.contributor.author
Moredo, Fabiana Alicia
dc.contributor.author
Piñeyro, Pablo
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Márquez, Gabriela
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Sanz, Marcelo Eduardo
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Colello, Rocío
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Etcheverría, Analía Inés
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Padola, Nora Lía
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Quiroga, María Alejandra
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Perfumo, Carlos Juan
dc.contributor.author
Galli, Lucía
dc.contributor.author
Leotta, Gerardo Anibal
dc.date.available
2017-11-10T20:23:14Z
dc.date.issued
2015-08
dc.identifier.citation
Moredo, Fabiana Alicia; Piñeyro, Pablo; Márquez, Gabriela; Sanz, Marcelo Eduardo; Colello, Rocío; et al.; Enterotoxigenic escherichia coli subclinical infection in pigs: bacteriological and genotypic characterization and antimicrobial resistance profiles; Mary Ann Liebert Inc; Foodborne Pathogens And Disease; 12; 8; 8-2015; 704-711
dc.identifier.issn
1535-3141
dc.identifier.uri
http://hdl.handle.net/11336/27955
dc.description.abstract
Enterotoxigenic Escherichia coli (ETEC) is the major pathogen responsible for neonatal diarrhea, postweaning diarrhea, and edema disease in pigs. Although it can be harmless, ETEC is also present in the intestines of other animal species and humans, causing occasional diarrhea outbreaks. The evaluation of this pathogen’s presence in food sources is becoming an increasingly important issue in human health. In order to determine the prevalence of ETEC in nondiarrheic pigs, 990 animals from 11 pig farms were sampled. Using end-time polymerase chain reaction (PCR), eltA, estI genes, or both, were detected in 150 (15.2%) animals. From the positive samples, 40 (26.6%) ETEC strains were isolated, showing 19 antibiotic-resistance patterns; 52.5% of these strains had multiple antibiotic resistances, and 17.5% carried the intI2 gene. The most prevalent genotypes were rfbO157/estII/aidA (32.5%) and estI/estII (25.0%). The estII gene was identified most frequently (97.5%), followed by estI (37.5%), astA (20.0%), and eltA (12.5%). The genes coding the fimbriae F5, F6, and F18 were detected in three single isolates. The aidA gene was detected in 20 ETEC strains associated with the estII gene. Among the isolated ETEC strains, stx2e/estI, stx2e/estI/estII, and stx2e/estI/estII/intI2 genotypes were identified. The ETEC belonged to 12 different serogroups; 37.5% of them belonged to serotype O157:H19. Isolates were grouped by enterobacterial repetitive intergenic consensus–PCR into 5 clusters with 100.0% similarity. In this study, we demonstrated that numerous ETEC genotypes cohabit and circulate in swine populations without clinical manifestation of neonatal diarrhea, postweaning diarrhea, or edema disease in different production stages. The information generated is important not only for diagnostic and epidemiological purposes, but also for understanding the dynamics and ecology of ETEC in pigs in different production stages that can be potentially transmitted to humans from food animals.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Mary Ann Liebert Inc
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Etec
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Non-Diarrheic Pigs
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Serotypes
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Antimicrobial Resistant
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Otras Ciencias Veterinarias
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Ciencias Veterinarias
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CIENCIAS AGRÍCOLAS
dc.title
Enterotoxigenic escherichia coli subclinical infection in pigs: bacteriological and genotypic characterization and antimicrobial resistance profiles
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-01-17T19:20:36Z
dc.identifier.eissn
1556-7125
dc.journal.volume
12
dc.journal.number
8
dc.journal.pagination
704-711
dc.journal.pais
Estados Unidos
dc.journal.ciudad
Nueva York
dc.description.fil
Fil: Moredo, Fabiana Alicia. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias; Argentina
dc.description.fil
Fil: Piñeyro, Pablo. University of Iowa; Estados Unidos
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Fil: Márquez, Gabriela. Virginia Tech; Estados Unidos
dc.description.fil
Fil: Sanz, Marcelo Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tandil. Centro de Investigación Veterinaria de Tandil. Universidad Nacional del Centro de la Provincia de Buenos Aires. Centro de Investigación Veterinaria de Tandil. Provincia de Buenos Aires. Gobernación. Comision de Investigaciones Científicas. Centro de Investigación Veterinaria de Tandil; Argentina
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Fil: Colello, Rocío. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tandil. Centro de Investigacion Veterinaria de Tandil; Argentina
dc.description.fil
Fil: Etcheverría, Analía Inés. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tandil. Centro de Investigacion Veterinaria de Tandil; Argentina
dc.description.fil
Fil: Padola, Nora Lía. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tandil. Centro de Investigacion Veterinaria de Tandil; Argentina
dc.description.fil
Fil: Quiroga, María Alejandra. Universidad Nacional de la Plata; Argentina
dc.description.fil
Fil: Perfumo, Carlos Juan. Universidad Nacional de la Plata; Argentina
dc.description.fil
Fil: Galli, Lucía. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico CONICET- La Plata. Instituto de Genética Veterinaria "Ing. Fernando Noel Dulout". Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias. Instituto de Genética Veterinaria; Argentina
dc.description.fil
Fil: Leotta, Gerardo Anibal. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico CONICET- La Plata. Instituto de Genética Veterinaria "Ing. Fernando Noel Dulout". Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias. Instituto de Genética Veterinaria; Argentina
dc.journal.title
Foodborne Pathogens And Disease
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.ncbi.nlm.nih.gov/pubmed/26217917
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1089/fpd.2015.1959
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