Probiotic inhibits the cytopathic effect induced by  Escherichia coli  O157:H7 in Vero cell line model | Zendy

Tahamtan Y. | Zendy; Kargar M. | Zendy; Namdar N. | Zendy; Rahimian A. | Zendy; Hayati M. | Zendy; Namavari M.M. | Zendy

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Probiotic inhibits the cytopathic effect induced by Escherichia coli O157:H7 in Vero cell line model

Author(s) -

Tahamtan Y.,

Kargar M.,

Namdar N.,

Rahimian A.,

Hayati M.,

Namavari M.M.

Publication year - 2011

Publication title -

letters in applied microbiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.698

H-Index - 110

eISSN - 1472-765X

pISSN - 0266-8254

DOI - 10.1111/j.1472-765x.2011.03037.x

Subject(s) - vero cell , microbiology and biotechnology , probiotic , escherichia coli , bacteria , pathogen , biology , shiga toxin , cytopathic effect , virology , virus , biochemistry , genetics , gene

Aims: The effectiveness of four strains of Bifidobacteria against enterohemorrhagic Escherichia coli O157:H7 infection was studied using a Vero cell model. Methods and results: E. coli O157 was inoculated on the Vero cell line before and after treatment with probiotic. The cytopathic effect (CPE) was evaluated during 24 h of incubation. The results indicated that Shiga toxin activity was inhibited by the probiotic. To prevent a Stx2 CPE, the probiotic needs one log more than the Stx1. Conclusion: The Vero cell assay, in particular, is a good model to evaluate the effect of Bifidobacteria inhibiting bacterial attachment because of soluble substances and the competitive aspect and could be used in a variety of foods like milk and yoghurt to protect pathogen bacteria. Significance and Impact of the Study: Probiotics could control pathogenic bacteria and Vero cell introduce as a model for evaluation of probiotics against pathogen bacteria.

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