Artículo
Potential zoonotic pathovars of Diarrheagenic Escherichia coli detected in lambs for human consumption from Tierra de Fuego
Blanco Crivelli, Ximena; Bonino, Maria Paz
; Sanin, Mariana Soledad; Petrina, Juan Facundo; Disalvo, Vilma Noelia; Massa, Rosana; Miliwebsky, Elizabeth; Navarro, Armando Jose; Chinen, Isabel; Bentancor, Adriana Beatriz
Fecha de publicación:
08/2021
Editorial:
MDPI
Revista:
Microorganisms
ISSN:
2076-2607
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Diarrheagenic Escherichia coli (DEC) pathovars impact childhood health. The southern region of Argentina shows the highest incidence of hemolytic uremic syndrome (HUS) in children of the country. The big island of Tierra del Fuego (TDF) in Argentina registered an incidence of five cases/100,000 inhabitants of HUS in 2019. This work aimed to establish the prevalence of STEC, EPEC, and EAEC in lambs slaughtered in abattoirs from TDF as well as to characterize thephenotypes and the genotypes of the isolated pathogens. The prevalence was 26.6% for stx+, 5.7% for eae+, and 0.27% for aagR+/aaiC+. Twelve STEC isolates were obtained and belonged to the following serotypes: O70:HNT, O81:H21, O81:HNT, O102:H6, O128ab:H2, O174:H8, and O174:HNT. Their genotypic profiles were stx1c (2), stx1c/ehxA (3), stx2b/ehxA (1), stx1c/stx2b (2), and stx1c/stx2/ehxA(4). Six EPEC isolates were obtained and corresponded to five serotypes: O2:H40, O32:H8, O56:H6, O108:H21, and O177:H25. All the EPEC isolates were bfpA- and two were ehxA+. By XbaI-PFGE of 17 isolates, two clusters were identified. By antimicrobial susceptibility tests, 8/12 STEC and 5/6 EPEC were resistant to at least one antibiotic. This work provides new data to understand the ecology ofDEC in TDF and confirms that ovine are an important carrier of these pathogens in the region.
Palabras clave:
DIARRHEAGENIC ESCHERICHIA COLI
,
LAMB
,
CARRIER
,
ARGENTINA
Archivos asociados
Licencia
Identificadores
Colecciones
Articulos(OCA PQUE. CENTENARIO)
Articulos de OFICINA DE COORDINACION ADMINISTRATIVA PQUE. CENTENARIO
Articulos de OFICINA DE COORDINACION ADMINISTRATIVA PQUE. CENTENARIO
Citación
Blanco Crivelli, Ximena; Bonino, Maria Paz; Sanin, Mariana Soledad; Petrina, Juan Facundo; Disalvo, Vilma Noelia; et al.; Potential zoonotic pathovars of Diarrheagenic Escherichia coli detected in lambs for human consumption from Tierra de Fuego; MDPI; Microorganisms; 8-2021; 1-14
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