Antibacterial potential of Enterococcus faecium strains isolated from ewes' milk and cheese

Autores
Rivas, Franco Paolo; Castro, Marcela Paola; Vallejo, Marisol; Marguet, Emilio Rogelio; Campos, Carmen Adriana
Año de publicación
2012
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The study was conducted to evaluate the antibacterial activity of three bacteriocin-producing Enterococcus faecium strains (TW15, TW20 and TW22) isolated from ewes' milk and cheese sampled in the Patagonian region of Argentina. The strains were tested against spoilage and pathogens microorganisms showing antimicrobial activity towards 4 strains of Listeria monocytogenes, one strain of Listeria innocua and 2 strainsof Staphylococcus aureus. E.faecium TW15, E.faecium TW20 and E.faecium TW22 were sensitive to vancomycin. Furthermore, investigation of virulence factors revealed the absence of the genes encoding them. The bacteriocin-like substances (BLISs) produced by the 3 strains were thermostable, pH resistant and canbe expressed even in the presence of NaCl (3.0. g/100. g). Moreover, they prove to have a bactericidal mode of action. Results from physicochemical and biochemical characteristics of BLIS produced by these. E.faecium strains make them potential candidates to aid in preservation of foods.
Fil: Rivas, Franco Paolo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste; Argentina. Universidad Nacional del Chaco Austral; Argentina
Fil: Castro, Marcela Paola. Universidad Nacional del Chaco Austral; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Vallejo, Marisol. Universidad Nacional de la Patagonia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Marguet, Emilio Rogelio. Universidad Nacional de la Patagonia; Argentina
Fil: Campos, Carmen Adriana. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires; Argentina
Materia
Bacteriocin-Like Substances
Enterococci
Ewes' Cheese
Ewes' Milk
Food Biopreservation
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/36913
Acceder
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network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Antibacterial potential of Enterococcus faecium strains isolated from ewes' milk and cheeseRivas, Franco PaoloCastro, Marcela PaolaVallejo, MarisolMarguet, Emilio RogelioCampos, Carmen AdrianaBacteriocin-Like SubstancesEnterococciEwes' CheeseEwes' MilkFood Biopreservationhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1The study was conducted to evaluate the antibacterial activity of three bacteriocin-producing Enterococcus faecium strains (TW15, TW20 and TW22) isolated from ewes' milk and cheese sampled in the Patagonian region of Argentina. The strains were tested against spoilage and pathogens microorganisms showing antimicrobial activity towards 4 strains of Listeria monocytogenes, one strain of Listeria innocua and 2 strainsof Staphylococcus aureus. E.faecium TW15, E.faecium TW20 and E.faecium TW22 were sensitive to vancomycin. Furthermore, investigation of virulence factors revealed the absence of the genes encoding them. The bacteriocin-like substances (BLISs) produced by the 3 strains were thermostable, pH resistant and canbe expressed even in the presence of NaCl (3.0. g/100. g). Moreover, they prove to have a bactericidal mode of action. Results from physicochemical and biochemical characteristics of BLIS produced by these. E.faecium strains make them potential candidates to aid in preservation of foods.Fil: Rivas, Franco Paolo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste; Argentina. Universidad Nacional del Chaco Austral; ArgentinaFil: Castro, Marcela Paola. Universidad Nacional del Chaco Austral; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Vallejo, Marisol. Universidad Nacional de la Patagonia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Marguet, Emilio Rogelio. Universidad Nacional de la Patagonia; ArgentinaFil: Campos, Carmen Adriana. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires; ArgentinaElsevier Science2012-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/36913Rivas, Franco Paolo; Castro, Marcela Paola; Vallejo, Marisol; Marguet, Emilio Rogelio; Campos, Carmen Adriana; Antibacterial potential of Enterococcus faecium strains isolated from ewes' milk and cheese; Elsevier Science; LWT - Food Science and Technology; 46; 2; 5-2012; 428-4360023-6438CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.lwt.2011.12.005info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0023643811003987info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-10T13:13:53Zoai:ri.conicet.gov.ar:11336/36913instacron: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:34982025-09-10 13:13:54.121CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Antibacterial potential of Enterococcus faecium strains isolated from ewes' milk and cheese
title Antibacterial potential of Enterococcus faecium strains isolated from ewes' milk and cheese
spellingShingle Antibacterial potential of Enterococcus faecium strains isolated from ewes' milk and cheese
Rivas, Franco Paolo
Bacteriocin-Like Substances
Enterococci
Ewes' Cheese
Ewes' Milk
Food Biopreservation
title_short Antibacterial potential of Enterococcus faecium strains isolated from ewes' milk and cheese
title_full Antibacterial potential of Enterococcus faecium strains isolated from ewes' milk and cheese
title_fullStr Antibacterial potential of Enterococcus faecium strains isolated from ewes' milk and cheese
title_full_unstemmed Antibacterial potential of Enterococcus faecium strains isolated from ewes' milk and cheese
title_sort Antibacterial potential of Enterococcus faecium strains isolated from ewes' milk and cheese
dc.creator.none.fl_str_mv Rivas, Franco Paolo
Castro, Marcela Paola
Vallejo, Marisol
Marguet, Emilio Rogelio
Campos, Carmen Adriana
author Rivas, Franco Paolo
author_facet Rivas, Franco Paolo
Castro, Marcela Paola
Vallejo, Marisol
Marguet, Emilio Rogelio
Campos, Carmen Adriana
author_role author
author2 Castro, Marcela Paola
Vallejo, Marisol
Marguet, Emilio Rogelio
Campos, Carmen Adriana
author2_role author
author
author
author
dc.subject.none.fl_str_mv Bacteriocin-Like Substances
Enterococci
Ewes' Cheese
Ewes' Milk
Food Biopreservation
topic Bacteriocin-Like Substances
Enterococci
Ewes' Cheese
Ewes' Milk
Food Biopreservation
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The study was conducted to evaluate the antibacterial activity of three bacteriocin-producing Enterococcus faecium strains (TW15, TW20 and TW22) isolated from ewes' milk and cheese sampled in the Patagonian region of Argentina. The strains were tested against spoilage and pathogens microorganisms showing antimicrobial activity towards 4 strains of Listeria monocytogenes, one strain of Listeria innocua and 2 strainsof Staphylococcus aureus. E.faecium TW15, E.faecium TW20 and E.faecium TW22 were sensitive to vancomycin. Furthermore, investigation of virulence factors revealed the absence of the genes encoding them. The bacteriocin-like substances (BLISs) produced by the 3 strains were thermostable, pH resistant and canbe expressed even in the presence of NaCl (3.0. g/100. g). Moreover, they prove to have a bactericidal mode of action. Results from physicochemical and biochemical characteristics of BLIS produced by these. E.faecium strains make them potential candidates to aid in preservation of foods.
Fil: Rivas, Franco Paolo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste; Argentina. Universidad Nacional del Chaco Austral; Argentina
Fil: Castro, Marcela Paola. Universidad Nacional del Chaco Austral; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Vallejo, Marisol. Universidad Nacional de la Patagonia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Marguet, Emilio Rogelio. Universidad Nacional de la Patagonia; Argentina
Fil: Campos, Carmen Adriana. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires; Argentina
description The study was conducted to evaluate the antibacterial activity of three bacteriocin-producing Enterococcus faecium strains (TW15, TW20 and TW22) isolated from ewes' milk and cheese sampled in the Patagonian region of Argentina. The strains were tested against spoilage and pathogens microorganisms showing antimicrobial activity towards 4 strains of Listeria monocytogenes, one strain of Listeria innocua and 2 strainsof Staphylococcus aureus. E.faecium TW15, E.faecium TW20 and E.faecium TW22 were sensitive to vancomycin. Furthermore, investigation of virulence factors revealed the absence of the genes encoding them. The bacteriocin-like substances (BLISs) produced by the 3 strains were thermostable, pH resistant and canbe expressed even in the presence of NaCl (3.0. g/100. g). Moreover, they prove to have a bactericidal mode of action. Results from physicochemical and biochemical characteristics of BLIS produced by these. E.faecium strains make them potential candidates to aid in preservation of foods.
publishDate 2012
dc.date.none.fl_str_mv 2012-05
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/11336/36913
Rivas, Franco Paolo; Castro, Marcela Paola; Vallejo, Marisol; Marguet, Emilio Rogelio; Campos, Carmen Adriana; Antibacterial potential of Enterococcus faecium strains isolated from ewes' milk and cheese; Elsevier Science; LWT - Food Science and Technology; 46; 2; 5-2012; 428-436
0023-6438
CONICET Digital
CONICET
url http://hdl.handle.net/11336/36913
identifier_str_mv Rivas, Franco Paolo; Castro, Marcela Paola; Vallejo, Marisol; Marguet, Emilio Rogelio; Campos, Carmen Adriana; Antibacterial potential of Enterococcus faecium strains isolated from ewes' milk and cheese; Elsevier Science; LWT - Food Science and Technology; 46; 2; 5-2012; 428-436
0023-6438
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1016/j.lwt.2011.12.005
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0023643811003987
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier Science
publisher.none.fl_str_mv Elsevier Science
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv 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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score 12.993085

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