In vitro aflatoxin B1 binding capacity by two Enterococcus faecium strains isolated from healthy dog faeces
- Autores
- Fernandez Juri, Maria Guillermina; Dalcero, Ana Maria; Magnoli, Carina Elizabeth
- Año de publicación
- 2015
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Aim: This study evaluated the binding capacity of aflatoxin B1 (AFB1) by two Enterococcus faecium strains (MF4 and GJ40) isolated from faeces from healthy dogs. Materials and Methods: The binding assay was performed using 50 and 100 ppb of AFB1 analysing the effects of the viability, incubation time and pH on AFB1 binding. Binding stability was determined by washing three times the bacteria-AFB1 complexes with phosphate buffer saline. Results: Both GJ40 and MF4 strains have the ability to remove AFB1 from aqueous solution. Viable cells were slightly more effective in AFB1 binding than nonviable ones for both strains. Enterococcus faeciumGJ40 removes 24–27% and 17–24%, and Ent. faeciumMF4 removes 36–42% and 27–32% of AFB1 (50 and 100 ppb, respectively) throughout a 48 h incubation period. In general, the removal of AFB1 was highest at pH 7·00 for both strains. The stability of the bacteria-AFB1 complex formed was found to be high (up to 50% of AFB1 remained bounded in bacterial cell after three washes with phosphate buffered saline). Conclusion: The Ent. faecium strains assayed are capable of removing AFB1 under different conditions in vitro. Significance and Impact of the Study: This is the first AFB1 binding assay performed with Ent. faecium strains isolated from dog faeces, being an interesting strategy for AFB1 decontamination of pet food.
Fil: Fernandez Juri, Maria Guillermina. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas, Fisicoquímicas y Naturales. Departamento de Microbiología e Inmunología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Dalcero, Ana Maria. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas, Fisicoquímicas y Naturales. Departamento de Microbiología e Inmunología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Magnoli, Carina Elizabeth. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas, Fisicoquímicas y Naturales. Departamento de Microbiología e Inmunología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina - Materia
-
Aflatoxin B1
Binding Ability
Enterococcus Faecium
Food Safety
Healthy Dogs - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/34415
Ver los metadatos del registro completo
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In vitro aflatoxin B1 binding capacity by two Enterococcus faecium strains isolated from healthy dog faecesFernandez Juri, Maria GuillerminaDalcero, Ana MariaMagnoli, Carina ElizabethAflatoxin B1Binding AbilityEnterococcus FaeciumFood SafetyHealthy Dogshttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Aim: This study evaluated the binding capacity of aflatoxin B1 (AFB1) by two Enterococcus faecium strains (MF4 and GJ40) isolated from faeces from healthy dogs. Materials and Methods: The binding assay was performed using 50 and 100 ppb of AFB1 analysing the effects of the viability, incubation time and pH on AFB1 binding. Binding stability was determined by washing three times the bacteria-AFB1 complexes with phosphate buffer saline. Results: Both GJ40 and MF4 strains have the ability to remove AFB1 from aqueous solution. Viable cells were slightly more effective in AFB1 binding than nonviable ones for both strains. Enterococcus faeciumGJ40 removes 24–27% and 17–24%, and Ent. faeciumMF4 removes 36–42% and 27–32% of AFB1 (50 and 100 ppb, respectively) throughout a 48 h incubation period. In general, the removal of AFB1 was highest at pH 7·00 for both strains. The stability of the bacteria-AFB1 complex formed was found to be high (up to 50% of AFB1 remained bounded in bacterial cell after three washes with phosphate buffered saline). Conclusion: The Ent. faecium strains assayed are capable of removing AFB1 under different conditions in vitro. Significance and Impact of the Study: This is the first AFB1 binding assay performed with Ent. faecium strains isolated from dog faeces, being an interesting strategy for AFB1 decontamination of pet food.Fil: Fernandez Juri, Maria Guillermina. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas, Fisicoquímicas y Naturales. Departamento de Microbiología e Inmunología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Dalcero, Ana Maria. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas, Fisicoquímicas y Naturales. Departamento de Microbiología e Inmunología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Magnoli, Carina Elizabeth. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas, Fisicoquímicas y Naturales. Departamento de Microbiología e Inmunología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaWiley2015-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/34415Fernandez Juri, Maria Guillermina; Dalcero, Ana Maria; Magnoli, Carina Elizabeth; In vitro aflatoxin B1 binding capacity by two Enterococcus faecium strains isolated from healthy dog faeces; Wiley; Journal of Applied Microbiology; 118; 3; 1-2015; 574-5821364-5072CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1111/jam.12726info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1111/jam.12726/abstractinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:00:14Zoai:ri.conicet.gov.ar:11336/34415instacron: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:34982025-09-29 10:00:14.69CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
In vitro aflatoxin B1 binding capacity by two Enterococcus faecium strains isolated from healthy dog faeces |
title |
In vitro aflatoxin B1 binding capacity by two Enterococcus faecium strains isolated from healthy dog faeces |
spellingShingle |
In vitro aflatoxin B1 binding capacity by two Enterococcus faecium strains isolated from healthy dog faeces Fernandez Juri, Maria Guillermina Aflatoxin B1 Binding Ability Enterococcus Faecium Food Safety Healthy Dogs |
title_short |
In vitro aflatoxin B1 binding capacity by two Enterococcus faecium strains isolated from healthy dog faeces |
title_full |
In vitro aflatoxin B1 binding capacity by two Enterococcus faecium strains isolated from healthy dog faeces |
title_fullStr |
In vitro aflatoxin B1 binding capacity by two Enterococcus faecium strains isolated from healthy dog faeces |
title_full_unstemmed |
In vitro aflatoxin B1 binding capacity by two Enterococcus faecium strains isolated from healthy dog faeces |
title_sort |
In vitro aflatoxin B1 binding capacity by two Enterococcus faecium strains isolated from healthy dog faeces |
dc.creator.none.fl_str_mv |
Fernandez Juri, Maria Guillermina Dalcero, Ana Maria Magnoli, Carina Elizabeth |
author |
Fernandez Juri, Maria Guillermina |
author_facet |
Fernandez Juri, Maria Guillermina Dalcero, Ana Maria Magnoli, Carina Elizabeth |
author_role |
author |
author2 |
Dalcero, Ana Maria Magnoli, Carina Elizabeth |
author2_role |
author author |
dc.subject.none.fl_str_mv |
Aflatoxin B1 Binding Ability Enterococcus Faecium Food Safety Healthy Dogs |
topic |
Aflatoxin B1 Binding Ability Enterococcus Faecium Food Safety Healthy Dogs |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
Aim: This study evaluated the binding capacity of aflatoxin B1 (AFB1) by two Enterococcus faecium strains (MF4 and GJ40) isolated from faeces from healthy dogs. Materials and Methods: The binding assay was performed using 50 and 100 ppb of AFB1 analysing the effects of the viability, incubation time and pH on AFB1 binding. Binding stability was determined by washing three times the bacteria-AFB1 complexes with phosphate buffer saline. Results: Both GJ40 and MF4 strains have the ability to remove AFB1 from aqueous solution. Viable cells were slightly more effective in AFB1 binding than nonviable ones for both strains. Enterococcus faeciumGJ40 removes 24–27% and 17–24%, and Ent. faeciumMF4 removes 36–42% and 27–32% of AFB1 (50 and 100 ppb, respectively) throughout a 48 h incubation period. In general, the removal of AFB1 was highest at pH 7·00 for both strains. The stability of the bacteria-AFB1 complex formed was found to be high (up to 50% of AFB1 remained bounded in bacterial cell after three washes with phosphate buffered saline). Conclusion: The Ent. faecium strains assayed are capable of removing AFB1 under different conditions in vitro. Significance and Impact of the Study: This is the first AFB1 binding assay performed with Ent. faecium strains isolated from dog faeces, being an interesting strategy for AFB1 decontamination of pet food. Fil: Fernandez Juri, Maria Guillermina. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas, Fisicoquímicas y Naturales. Departamento de Microbiología e Inmunología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Dalcero, Ana Maria. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas, Fisicoquímicas y Naturales. Departamento de Microbiología e Inmunología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Magnoli, Carina Elizabeth. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas, Fisicoquímicas y Naturales. Departamento de Microbiología e Inmunología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina |
description |
Aim: This study evaluated the binding capacity of aflatoxin B1 (AFB1) by two Enterococcus faecium strains (MF4 and GJ40) isolated from faeces from healthy dogs. Materials and Methods: The binding assay was performed using 50 and 100 ppb of AFB1 analysing the effects of the viability, incubation time and pH on AFB1 binding. Binding stability was determined by washing three times the bacteria-AFB1 complexes with phosphate buffer saline. Results: Both GJ40 and MF4 strains have the ability to remove AFB1 from aqueous solution. Viable cells were slightly more effective in AFB1 binding than nonviable ones for both strains. Enterococcus faeciumGJ40 removes 24–27% and 17–24%, and Ent. faeciumMF4 removes 36–42% and 27–32% of AFB1 (50 and 100 ppb, respectively) throughout a 48 h incubation period. In general, the removal of AFB1 was highest at pH 7·00 for both strains. The stability of the bacteria-AFB1 complex formed was found to be high (up to 50% of AFB1 remained bounded in bacterial cell after three washes with phosphate buffered saline). Conclusion: The Ent. faecium strains assayed are capable of removing AFB1 under different conditions in vitro. Significance and Impact of the Study: This is the first AFB1 binding assay performed with Ent. faecium strains isolated from dog faeces, being an interesting strategy for AFB1 decontamination of pet food. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-01 |
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/11336/34415 Fernandez Juri, Maria Guillermina; Dalcero, Ana Maria; Magnoli, Carina Elizabeth; In vitro aflatoxin B1 binding capacity by two Enterococcus faecium strains isolated from healthy dog faeces; Wiley; Journal of Applied Microbiology; 118; 3; 1-2015; 574-582 1364-5072 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/34415 |
identifier_str_mv |
Fernandez Juri, Maria Guillermina; Dalcero, Ana Maria; Magnoli, Carina Elizabeth; In vitro aflatoxin B1 binding capacity by two Enterococcus faecium strains isolated from healthy dog faeces; Wiley; Journal of Applied Microbiology; 118; 3; 1-2015; 574-582 1364-5072 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1111/jam.12726 info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1111/jam.12726/abstract |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Wiley |
publisher.none.fl_str_mv |
Wiley |
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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1844613781066350592 |
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13.070432 |