Molecular characterization of Salmonella Paratyphi B dT+ and Salmonella Heidelberg from poultry and retail chicken meat in Colombia by Pulsed-Field gel electrophoresis

 

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Detalles Bibliográficos
Autores: Donado-Godoy, Pilar, Byrne, Barbara, HUME, MICHAEL, León, Maribel, PÉREZ-GUTIERREZ, ENRIQUE, Vives, Martha, Clavijo, Viviana, Holguin Moreno, Angela Victoria, ROMERO-ZUÑIGA, JUAN JOSÉ, Castellanos, Ricardo, TAFUR, MCALLISTER, SMITH, WOUTRINA A
Formato: artículo
Fecha de Publicación:2015
Descripción:Salmonella Paratyphi B dTz variant (also termed Salmonella Java) and Salmonella Heidelberg are pathogens of public health importance that are frequently isolated from poultry. As a step toward implementing the Colombian Integrated Program for Antimicrobial Resistant Surveillance, this study characterized molecular patterns of Salmonella Paratyphi B dTz and Salmonella Heidelberg isolated from poultry farms, fecal samples, and retail chicken meat using pulsed-field gel electrophoresis (PFGE). The objective of this study was to determine the genetic relationship among isolates and to determine potential geographically predominant genotypes. Based on PFGE analysis, both serovars exhibited high heterogeneity: the chromosomal DNA fingerprints of 82 Salmonella Paratyphi B dTz isolates revealed 42 PFGE patterns, whereas the 21 isolates of Salmonella Heidelberg revealed 10 patterns. Similar genotypes of both serovars were demonstrated to be present on farms and in retail outlets. For Salmonella Paratyphi B dTz, closely genetically related strains were found among isolates coming from different farms and different integrated poultry companies within two departments (Santander and Cundinamarca) and also from farms located in the two geographically distant departments. For Salmonella Heidelberg, there were fewer farms with genetically related isolates than for Salmonella Paratyphi B dTz. A possible dissemination of similar genotypes of both serovars along the poultry production chain is hypothesized, and some facilitating factors existing in Colombia are reviewed.
País:Repositorio UNA
Institución:Universidad Nacional de Costa Rica
Repositorio:Repositorio UNA
Lenguaje:Inglés
OAI Identifier:oai:null:11056/24392
Acceso en línea:http://hdl.handle.net/11056/24392
Palabra clave:BACTERIAS
SALMONELLA
POLLOS
POULTRY
ORGANISMOS PATÓGENOS
PATHOGENS