Artículo
Abstract:
Lactobacillus plantarum ST16PA was isolated from papaya and previously have been shown that produces a 6.5 kDa bacteriocin, active against different species from genera Enterobacter, Enterococcus, Lactobacillus, Pseudomonas, Streptococcus and Staphylococcus and different serotypes of Listeria spp. In addition Lb. plantarum ST16Pa presented a good potential to be consider as a probiotic candidate based on the genetic and physiological tests. PCR analysis of DNA from Lb. plantarum ST16Pa was generated positive results for presence of nisin and enterocin P genes and no evidences for presence of pediocin PA-1, plantaricin S, plantaricin W, plantaricin NC8, enterocin A, enterocin B or enterocin L50B have been obtained. Based on the molecular size (6.5 kDa as determined by Tricin-SDS-PAGE) of the expressed bacteriocin, most probably Lb. plantarum ST16Pa express bacteriocin different from nisin or enterocin P. Semi-purified bacteriocin was presenting a very high activity against Listeria monocytogenes (102 400 AU ml–1), Peudomonas aeroginosa (25 600 AU ml–1) and Enterococcus faecalis (102 400 AU ml–1). However, when semi-purified bacteriocin have been tested for cytotoxicity, CC50 > 1600 μg ml–1 have been recorded. In addition, Lb. plantarum ST16Pa generated positive PCR results on the DNA level for gelE (gelatinase), hyl (hyaluronidase), asa1 (aggregation substance), ace (adhesion of collagen) and tdc (tyrosine decarboxylase), a high virulence profile when been examined for presence of virulence factors. © 2014, National Centre for Agrarian Sciences. All rights reserved.
Registro:
| Documento: | Artículo |
| Título: | Lactobacillus plantarum st16pa–are we ready to use it as bio-protective culture? |
| Autor: | Todorov, S.; Wachsman, M.; Ignatova-Ivanova, T.; Ivanova, I. |
| Filiación: | Universidade de São Paulo, Departamento de Alimentos e Nutrição Experimental, Laboratório de Microbiologia de Alimentos, Av. Prof. Lineu Prestes 580, Bl 14, São Paulo, SP 05508-000, Brazil Laboratorio de Virologia, Departamento de Quimica Biologica, Universidad de Buenos Aires, Ciudad Universitaria, Pabellon 2, Piso 4, Buenos Aires, C1428EGA, Argentina Department of Biology, Shumen University, Shumen, Bulgaria Sofia University ‘St. Kliment Ohridski’, Department of Microbiology, Sofia, 1403, Bulgaria |
| Palabras clave: | Bacteriocin; Cytotoxicity; Lactobacillus plantarum; Virulence factors |
| Año: | 2014 |
| Volumen: | 20 |
| Página de inicio: | 55 |
| Página de fin: | 58 |
| Título revista: | Bulgarian Journal of Agricultural Science |
| Título revista abreviado: | Bulg. J. Agric. Sci. |
| ISSN: | 13100351 |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_13100351_v20_n_p55_Todorov |
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Citas:
---------- APA ----------
Todorov, S., Wachsman, M., Ignatova-Ivanova, T. & Ivanova, I. (2014) . Lactobacillus plantarum st16pa–are we ready to use it as bio-protective culture?. Bulgarian Journal of Agricultural Science, 20, 55-58.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_13100351_v20_n_p55_Todorov [ ]
---------- CHICAGO ----------
Todorov, S., Wachsman, M., Ignatova-Ivanova, T., Ivanova, I. "Lactobacillus plantarum st16pa–are we ready to use it as bio-protective culture?" . Bulgarian Journal of Agricultural Science 20 (2014) : 55-58.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_13100351_v20_n_p55_Todorov [ ]
---------- MLA ----------
Todorov, S., Wachsman, M., Ignatova-Ivanova, T., Ivanova, I. "Lactobacillus plantarum st16pa–are we ready to use it as bio-protective culture?" . Bulgarian Journal of Agricultural Science, vol. 20, 2014, pp. 55-58.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_13100351_v20_n_p55_Todorov [ ]
---------- VANCOUVER ----------
Todorov, S., Wachsman, M., Ignatova-Ivanova, T., Ivanova, I. Lactobacillus plantarum st16pa–are we ready to use it as bio-protective culture?. Bulg. J. Agric. Sci. 2014;20:55-58.Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_13100351_v20_n_p55_Todorov [ ]
