Phenotypic and Genotypic Determination of Biofilm Formation in Shiga Toxin-Producing Escherichia coli
- Autores
- Cáceres, María Emilia; Lavayen, Silvina; Zotta, Claudio Marcelo; Montero, David; Vidal, Roberto; Etcheverría, Analía Inés; Padola, Nora Lía
- Año de publicación
- 2022
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Shiga toxin-producing Escherichia coli (STEC) O157:H7 is the most prevalent serotype associated with severe diseases worldwide. Biofilms by STEC O157:H7 constitute a high risk to public health and the food industry since they allow cross-contamination of surfaces and the consequent transmission to humans. This study aimed to detect the presence of adhesins genotypically and determine the ability to form biofilm and the curli expression in a collection of 30 O157:H7 strains from healthy cattle and human cases. The efa1, iha, fimCD, ehaA, lpfA1-3, and lpfA2-2 genes were detected in all strains; cah was frequently detected in strains isolated from humans (16/20), and agn43 was the least prevalent gene (3/30). All strains could form a biofilm, although those isolated from cattle were the most biofilm-formers. The curli-negative phenotype was the most prevalent phenotype observed at 37 °C and room temperature. The association between curli production and biofilm formation could not be determined, but the highest proportion of curli-positive strains at room temperature were strong biofilm-formers. These results highlight the possibility of the persistence of STEC O157:H7 in environmental conditions and food processing facilities, increasing the risk of contamination or infection.
Fil: Cáceres, María Emilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones en Microbiología y Parasitología Médica. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Investigaciones en Microbiología y Parasitología Médica; Argentina. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Departamento de Sanidad Animal y Medicina Preventiva; Argentina
Fil: Lavayen, Silvina. Dirección Nacional de Instituto de Investigación.Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"; Argentina
Fil: Zotta, Claudio Marcelo. Dirección Nacional de Instituto de Investigación.Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"; Argentina
Fil: Montero, David. Universidad de Chile; Chile
Fil: Vidal, Roberto. Universidad de Chile; Chile
Fil: Etcheverría, Analía Inés. 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
Fil: Padola, Nora Lía. 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 - Materia
-
BIOFILM FORMATION
CURLI FIMBRIAE
HEMOLYTIC UREMIC SYNDROME
SHIGA TOXIN-PRODUCING ESCHERICHIA COLI
SOURCES - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/215513
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Phenotypic and Genotypic Determination of Biofilm Formation in Shiga Toxin-Producing Escherichia coliCáceres, María EmiliaLavayen, SilvinaZotta, Claudio MarceloMontero, DavidVidal, RobertoEtcheverría, Analía InésPadola, Nora LíaBIOFILM FORMATIONCURLI FIMBRIAEHEMOLYTIC UREMIC SYNDROMESHIGA TOXIN-PRODUCING ESCHERICHIA COLISOURCEShttps://purl.org/becyt/ford/4.3https://purl.org/becyt/ford/4Shiga toxin-producing Escherichia coli (STEC) O157:H7 is the most prevalent serotype associated with severe diseases worldwide. Biofilms by STEC O157:H7 constitute a high risk to public health and the food industry since they allow cross-contamination of surfaces and the consequent transmission to humans. This study aimed to detect the presence of adhesins genotypically and determine the ability to form biofilm and the curli expression in a collection of 30 O157:H7 strains from healthy cattle and human cases. The efa1, iha, fimCD, ehaA, lpfA1-3, and lpfA2-2 genes were detected in all strains; cah was frequently detected in strains isolated from humans (16/20), and agn43 was the least prevalent gene (3/30). All strains could form a biofilm, although those isolated from cattle were the most biofilm-formers. The curli-negative phenotype was the most prevalent phenotype observed at 37 °C and room temperature. The association between curli production and biofilm formation could not be determined, but the highest proportion of curli-positive strains at room temperature were strong biofilm-formers. These results highlight the possibility of the persistence of STEC O157:H7 in environmental conditions and food processing facilities, increasing the risk of contamination or infection.Fil: Cáceres, María Emilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones en Microbiología y Parasitología Médica. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Investigaciones en Microbiología y Parasitología Médica; Argentina. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Departamento de Sanidad Animal y Medicina Preventiva; ArgentinaFil: Lavayen, Silvina. Dirección Nacional de Instituto de Investigación.Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"; ArgentinaFil: Zotta, Claudio Marcelo. Dirección Nacional de Instituto de Investigación.Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"; ArgentinaFil: Montero, David. Universidad de Chile; ChileFil: Vidal, Roberto. Universidad de Chile; ChileFil: Etcheverría, Analía Inés. 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; ArgentinaFil: Padola, Nora Lía. 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; ArgentinaDovepress2022-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/215513Cáceres, María Emilia; Lavayen, Silvina; Zotta, Claudio Marcelo; Montero, David; Vidal, Roberto; et al.; Phenotypic and Genotypic Determination of Biofilm Formation in Shiga Toxin-Producing Escherichia coli; Dovepress; Veterinary Medicine Reports; 1; 603; 2-2022; 1-92230-2034CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.55085/vmr.2022.603info:eu-repo/semantics/altIdentifier/url/https://mediterraneanjournals.com/index.php/vmr/article/view/603info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T15:15:39Zoai:ri.conicet.gov.ar:11336/215513instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-15 15:15:40.186CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Phenotypic and Genotypic Determination of Biofilm Formation in Shiga Toxin-Producing Escherichia coli |
title |
Phenotypic and Genotypic Determination of Biofilm Formation in Shiga Toxin-Producing Escherichia coli |
spellingShingle |
Phenotypic and Genotypic Determination of Biofilm Formation in Shiga Toxin-Producing Escherichia coli Cáceres, María Emilia BIOFILM FORMATION CURLI FIMBRIAE HEMOLYTIC UREMIC SYNDROME SHIGA TOXIN-PRODUCING ESCHERICHIA COLI SOURCES |
title_short |
Phenotypic and Genotypic Determination of Biofilm Formation in Shiga Toxin-Producing Escherichia coli |
title_full |
Phenotypic and Genotypic Determination of Biofilm Formation in Shiga Toxin-Producing Escherichia coli |
title_fullStr |
Phenotypic and Genotypic Determination of Biofilm Formation in Shiga Toxin-Producing Escherichia coli |
title_full_unstemmed |
Phenotypic and Genotypic Determination of Biofilm Formation in Shiga Toxin-Producing Escherichia coli |
title_sort |
Phenotypic and Genotypic Determination of Biofilm Formation in Shiga Toxin-Producing Escherichia coli |
dc.creator.none.fl_str_mv |
Cáceres, María Emilia Lavayen, Silvina Zotta, Claudio Marcelo Montero, David Vidal, Roberto Etcheverría, Analía Inés Padola, Nora Lía |
author |
Cáceres, María Emilia |
author_facet |
Cáceres, María Emilia Lavayen, Silvina Zotta, Claudio Marcelo Montero, David Vidal, Roberto Etcheverría, Analía Inés Padola, Nora Lía |
author_role |
author |
author2 |
Lavayen, Silvina Zotta, Claudio Marcelo Montero, David Vidal, Roberto Etcheverría, Analía Inés Padola, Nora Lía |
author2_role |
author author author author author author |
dc.subject.none.fl_str_mv |
BIOFILM FORMATION CURLI FIMBRIAE HEMOLYTIC UREMIC SYNDROME SHIGA TOXIN-PRODUCING ESCHERICHIA COLI SOURCES |
topic |
BIOFILM FORMATION CURLI FIMBRIAE HEMOLYTIC UREMIC SYNDROME SHIGA TOXIN-PRODUCING ESCHERICHIA COLI SOURCES |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/4.3 https://purl.org/becyt/ford/4 |
dc.description.none.fl_txt_mv |
Shiga toxin-producing Escherichia coli (STEC) O157:H7 is the most prevalent serotype associated with severe diseases worldwide. Biofilms by STEC O157:H7 constitute a high risk to public health and the food industry since they allow cross-contamination of surfaces and the consequent transmission to humans. This study aimed to detect the presence of adhesins genotypically and determine the ability to form biofilm and the curli expression in a collection of 30 O157:H7 strains from healthy cattle and human cases. The efa1, iha, fimCD, ehaA, lpfA1-3, and lpfA2-2 genes were detected in all strains; cah was frequently detected in strains isolated from humans (16/20), and agn43 was the least prevalent gene (3/30). All strains could form a biofilm, although those isolated from cattle were the most biofilm-formers. The curli-negative phenotype was the most prevalent phenotype observed at 37 °C and room temperature. The association between curli production and biofilm formation could not be determined, but the highest proportion of curli-positive strains at room temperature were strong biofilm-formers. These results highlight the possibility of the persistence of STEC O157:H7 in environmental conditions and food processing facilities, increasing the risk of contamination or infection. Fil: Cáceres, María Emilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Investigaciones en Microbiología y Parasitología Médica. Universidad de Buenos Aires. Facultad de Medicina. Instituto de Investigaciones en Microbiología y Parasitología Médica; Argentina. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Departamento de Sanidad Animal y Medicina Preventiva; Argentina Fil: Lavayen, Silvina. Dirección Nacional de Instituto de Investigación.Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"; Argentina Fil: Zotta, Claudio Marcelo. Dirección Nacional de Instituto de Investigación.Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"; Argentina Fil: Montero, David. Universidad de Chile; Chile Fil: Vidal, Roberto. Universidad de Chile; Chile Fil: Etcheverría, Analía Inés. 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 Fil: Padola, Nora Lía. 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 |
description |
Shiga toxin-producing Escherichia coli (STEC) O157:H7 is the most prevalent serotype associated with severe diseases worldwide. Biofilms by STEC O157:H7 constitute a high risk to public health and the food industry since they allow cross-contamination of surfaces and the consequent transmission to humans. This study aimed to detect the presence of adhesins genotypically and determine the ability to form biofilm and the curli expression in a collection of 30 O157:H7 strains from healthy cattle and human cases. The efa1, iha, fimCD, ehaA, lpfA1-3, and lpfA2-2 genes were detected in all strains; cah was frequently detected in strains isolated from humans (16/20), and agn43 was the least prevalent gene (3/30). All strains could form a biofilm, although those isolated from cattle were the most biofilm-formers. The curli-negative phenotype was the most prevalent phenotype observed at 37 °C and room temperature. The association between curli production and biofilm formation could not be determined, but the highest proportion of curli-positive strains at room temperature were strong biofilm-formers. These results highlight the possibility of the persistence of STEC O157:H7 in environmental conditions and food processing facilities, increasing the risk of contamination or infection. |
publishDate |
2022 |
dc.date.none.fl_str_mv |
2022-02 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/215513 Cáceres, María Emilia; Lavayen, Silvina; Zotta, Claudio Marcelo; Montero, David; Vidal, Roberto; et al.; Phenotypic and Genotypic Determination of Biofilm Formation in Shiga Toxin-Producing Escherichia coli; Dovepress; Veterinary Medicine Reports; 1; 603; 2-2022; 1-9 2230-2034 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/215513 |
identifier_str_mv |
Cáceres, María Emilia; Lavayen, Silvina; Zotta, Claudio Marcelo; Montero, David; Vidal, Roberto; et al.; Phenotypic and Genotypic Determination of Biofilm Formation in Shiga Toxin-Producing Escherichia coli; Dovepress; Veterinary Medicine Reports; 1; 603; 2-2022; 1-9 2230-2034 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.55085/vmr.2022.603 info:eu-repo/semantics/altIdentifier/url/https://mediterraneanjournals.com/index.php/vmr/article/view/603 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Dovepress |
publisher.none.fl_str_mv |
Dovepress |
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reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) |
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CONICET Digital (CONICET) |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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