Resumo

RUIZ, M.J.; GARCIA, M.D.; PADOLA, N.L.  e  ETCHEVERRIA, A.I.. Ability of Lactiplantibacillus plantarum to reduce biofilms of pathogens involved in foodborne diseases. Rev. vet. [online]. 2022, vol.33, n.1, pp.48-52. ISSN 1669-6840.  http://dx.doi.org/10.30972/vet.3315879.

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The use of L. plantarum LP5 with probiotic potential may be an alternative approach to reduce the formation of biofilms of pathogens involved in foodborne diseases in food industries. The objective of this study was to evaluate the reducing capacity of L. plantarum biofilms on the biofilms of Shiga toxin-producing Escherichia coli, Salmonella tiphymurium and Staphylococcus aureus. Three tests were carried out: competition, exclusion and displacement. In the competition and exclusion tests, the production of biofilms of STEC, S. tiphymurium and S. aureus were reduced by the antibacterial effect of L. plantarum LP5 (p<0.01). In the displacement test, although the biofilms produced by S. aureus, exerted resistance against L. plantarum LP5 (p<0.01), the biofilms of STEC and S. tiphymurium were reduced when incorporating the culture of L. plantarum LP5 (p<0.01). Therefore, the antagonistic effect of L. plantarum LP5 demonstrated by the reducing capacity of biofilms of pathogenic bacteria involved in foodborne diseases makes it a strain with potential antibacterial application in the food industry.

Palavras-chave : Lactiplantibacillus plantarum; biofilms; pathogen; foodborne diseases.

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