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Comparison between avian pathogenic (APEC) and avian faecal (AFEC) Escherichia coli isolated from different regions in Brazil.
Silveira, F; Maluta, R P; Tiba, M R; de Paiva, J B; Guastalli, E A L; da Silveira, W D.
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  • Silveira F; Bacterial Molecular Biology Laboratory, Department of Genetics, Evolution and Bioagents, Institute of Biology, University of Campinas, Campinas, São Paulo, Brazil. Electronic address: silveiravet@gmail.com.
  • Maluta RP; Bacterial Molecular Biology Laboratory, Department of Genetics, Evolution and Bioagents, Institute of Biology, University of Campinas, Campinas, São Paulo, Brazil; Department of Veterinary Microbiology and Preventive Medicine, College of Veterinary Medicine, Iowa State University, Ames, Iowa, USA.
  • Tiba MR; Instituto Adolfo Lutz, São Paulo, Brazil.
  • de Paiva JB; Bacterial Molecular Biology Laboratory, Department of Genetics, Evolution and Bioagents, Institute of Biology, University of Campinas, Campinas, São Paulo, Brazil.
  • Guastalli EA; Instituto Biológico, Bastos Research Unit, Bastos, São Paulo, Brazil.
  • da Silveira WD; Bacterial Molecular Biology Laboratory, Department of Genetics, Evolution and Bioagents, Institute of Biology, University of Campinas, Campinas, São Paulo, Brazil.
Vet J ; 217: 65-67, 2016 Nov.
Article en En | MEDLINE | ID: mdl-27810213
Detection and analysis of virulence-associated genes (VAGs) of avian pathogenic Escherichia coli (APEC) may be helpful to distinguish pathogenic from commensal faecal strains (AFEC). The aim of this study was to characterise 120 isolates of avian Escherichia coli, comprising 91 APEC (from diseased birds) and 29 AFEC (from healthy chickens), collected in Brazil. Phylogenetic analysis and in vivo pathogenicity testing was performed on 38 VAGs. The VAGs iucD, iutA, iroN, fepC, ompT, cvi and hlyF were statistically associated with medium and high pathogenicity (MP/HP) strains. A minimal group of seven VAGs may be required to accurately discriminate pathogenic and non-pathogenic avian strains of E. coli in Brazil.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Enfermedades de las Aves de Corral / Pollos / Escherichia coli / Infecciones por Escherichia coli / Genes Bacterianos Límite: Animals País/Región como asunto: America do sul / Brasil Idioma: En Revista: Vet J Asunto de la revista: MEDICINA VETERINARIA Año: 2016 Tipo del documento: Article Pais de publicación: Reino Unido
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Enfermedades de las Aves de Corral / Pollos / Escherichia coli / Infecciones por Escherichia coli / Genes Bacterianos Límite: Animals País/Región como asunto: America do sul / Brasil Idioma: En Revista: Vet J Asunto de la revista: MEDICINA VETERINARIA Año: 2016 Tipo del documento: Article Pais de publicación: Reino Unido