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dc.contributor.author
Chacon Ruiz Martinez, Rafael
dc.contributor.author
Wachsman, Mónica
dc.contributor.author
Torres, Nicolás
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Leblanc, Jean Guy Joseph
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Todorov, Svetoslav Dimitrov
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Melo Franco, Bernadette Dora Gombossy de
dc.date.available
2019-06-13T19:34:11Z
dc.date.issued
2013-06-28
dc.identifier.citation
Chacon Ruiz Martinez, Rafael; Wachsman, Mónica; Torres, Nicolás; Leblanc, Jean Guy Joseph; Todorov, Svetoslav Dimitrov; et al.; Biochemical, antimicrobial and molecular characterization of a noncytotoxic bacteriocin produced by Lactobacillus plantarum ST71KS; Academic Press Ltd - Elsevier Science Ltd; Food Microbiology; 34; 2; 28-6-2013; 376-381
dc.identifier.issn
0740-0020
dc.identifier.uri
http://hdl.handle.net/11336/78267
dc.description.abstract
Lactobacillus (Lb.) plantarum ST71KS was isolated from homemade goat feta cheese and identified using biochemical and molecular biology techniques. As shown by Tricine-SDS-PAGE, this lactic acid bacterium produces a bacteriocin (ST71KS) with an estimated molecular weight of 5.0 kDa. Bacteriocin ST71KS was not affected by the presence of α-amylase, catalase and remained stable in a wide range of pH and after treatment with Triton X-100, Triton X-114, Tween 20, Tween 80, NaCl, SDS, urea and EDTA. This bacteriocin also remained active after being heated at 100 °C for 2 h and even after 20 min at 121 °C; however, it was inactivated by proteolitic enzymes. Production of bacteriocin ST71KS reached 6400 AU/mL during stationary growth phase of Lb. plantarum cultivated in MRS at 30 °C and 37 °C. Bacteriocin ST71KS displayed a bactericidal effect against Listeria monocytogenes strains 603 and 607 and did not adsorb to the producer cells. Lb. plantarum ST71KS harbors two bacteriocin genes with homology to plantaricin S and pediocin PA-1. These characteristics indicate that bacteriocin ST71KS is a class IIa bacteriocin. The peptide presented no toxic effect when tested in vitro with kidney Vero cells, indicating safe technological application to control L. monocytogenes in foods.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Academic Press Ltd - Elsevier Science Ltd
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Antimicrobial Activity
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Bacteriocin
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Bacteriocin-Encoding Genes
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Cytotoxicity
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Lactobacillus Plantarum
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Listeria Monocytogenes
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Otras Ciencias Biológicas
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Ciencias Biológicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Biochemical, antimicrobial and molecular characterization of a noncytotoxic bacteriocin produced by Lactobacillus plantarum ST71KS
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-06-03T14:35:05Z
dc.identifier.eissn
1095-9998
dc.journal.volume
34
dc.journal.number
2
dc.journal.pagination
376-381
dc.journal.pais
Estados Unidos
dc.description.fil
Fil: Chacon Ruiz Martinez, Rafael. Universidade de Sao Paulo; Brasil
dc.description.fil
Fil: Wachsman, Mónica. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Biológica. Laboratorio de Virología; Argentina
dc.description.fil
Fil: Torres, Nicolás. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Biológica. Laboratorio de Virología; Argentina
dc.description.fil
Fil: Leblanc, Jean Guy Joseph. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Centro de Referencia para Lactobacilos; Argentina. Universidad Nacional de Tucumán. Facultad de Medicina; Argentina
dc.description.fil
Fil: Todorov, Svetoslav Dimitrov. Universidade de Sao Paulo; Brasil
dc.description.fil
Fil: Melo Franco, Bernadette Dora Gombossy de. Universidade de Sao Paulo; Brasil
dc.journal.title
Food Microbiology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.fm.2013.01.011
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0740002013000129
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