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Title: | An Stx-EAEC O59:NM[H19] strain isolated from a hemolytic uremic syndrome case in Argentina | Authors: | Carbonari, Carolina C Ricciardi, Miriam Calvo, Ana Rodríguez Montes, Alejandro Deza, Natalia L Conde Valentino, María A Zolezzi, Gisela Baschkier, Ariela Vago, Mariano Acosta, Denise Manfredi, Eduardo Miliwebsky, Elizabeth Chinen, Isabel Rivas, Marta |
Keywords: | Escherichia coli;Escherichia coli Shiga-Toxigénica;Diarrea;Síndrome Hemolítico-Urémico;Stx-EAEC;Argentina | Issue Date: | 29-Jun-2019 | Project: | datasets | Journal: | Revista Argentina de microbiologia | Abstract: | Shiga toxin-producing Escherichia coli (STEC) are a heterogeneous group of foodborne pathogens causing a broad spectrum of human disease, from uncomplicated diarrhea to hemolytic uremic syndrome (HUS). In this study, we report an HUS case associated with an O59:NM[H19] strain, harboring stx2a, iha, lpfAO26, lpfAO113 genes associated with STEC, and aatA, aap, pic, sigA, agg4A genes associated with enteroaggregative E. coli (EAEC), named Stx-EAEC. The strain showed low toxicity on Vero cells, and was resistant to streptomycin and trimethoprim/sulfonamides. The child carried the bacteria for more than 100 days. Since the large outbreak associated with Stx-EAEC O104:H4, many strains with similar profiles have been described. In Germany, an O59:NM[H19] strain, with comparable characteristics to the Argentine strain, was isolated from a bloody diarrhea case. In Argentina, this is the first report of an HUS case associated with a Stx-EAEC infection, and represents a new challenge for the surveillance system. |
Description: | Fil: Carbonari, Claudia C. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Departamento bacteriología. Servicio Fisiopatogenia; Argentina. Fil: Ricciardi, Miriam. Hospital Zonal de Puerto Madryn "Dr. Andrés Ísola"; Chubut, Argentina. Fil: Calvo, Ana Rodríguez. Hospital Zonal de Puerto Madryn "Dr. Andrés Ísola"; Chubut, Argentina. Fil: Montes, Alejandro. Hospital Zonal de Puerto Madryn "Dr. Andrés Ísola"; Chubut, Argentina. Fil: Deza, Natalia L. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Departamento bacteriología. Servicio Fisiopatogenia; Argentina. Fil: Conde Valentino, María A. Hospital Zonal de Puerto Madryn "Dr. Andrés Ísola"; Chubut, Argentina. Fil: Zolezzi, Gisela. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Departamento bacteriología. Servicio Fisiopatogenia; Argentina. Fil: Baschkier, Ariela. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Departamento bacteriología. Servicio Fisiopatogenia; Argentina. Fil: Vago, Mariano. Hospital Zonal de Puerto Madryn "Dr. Andrés Ísola"; Chubut, Argentina. Fil: Acosta, Denise. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Departamento bacteriología. Servicio Fisiopatogenia; Argentina. Fil: Manfredi, Eduardo A. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Departamento bacteriología. Servicio Fisiopatogenia; Argentina. Fil: Miliwebsky, Elizabeth. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Departamento bacteriología. Servicio Fisiopatogenia; Argentina. Fil: Chinen, Isabel. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Departamento bacteriología. Servicio Fisiopatogenia; Argentina. Fil: Rivas, Marta. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Departamento bacteriología. Servicio Fisiopatogenia; Argentina. |
URI: | http://sgc.anlis.gob.ar/handle/123456789/1364 | ISSN: | 0325-7541 | DOI: | 10.1016/j.ram.2019.03.006 | Rights: | Open Access Creative Commons Attribution 4.0 International License |
Appears in Collections: | Publicaciones INEI |
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RAM_2020_52_1_31-35.pdf | Artículo en inglés | 481.08 kB | Adobe PDF | View/Open |
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