Inhibitor activity of Lactiplantibacillus plantarum LP5 on thermotolerant campylobacter with different biofilm-forming capacities

To evaluate the biofilm-forming capacity of thermotolerant Campylobacter (TC) strains from poultry production and to analyse the inhibitory capacity of Lactiplantibacillus plantarum LP5 against TC on different materials. Biofilm-forming capacity by Campylobacter jejuni and Campylobacter coli was ana...

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Published inJournal of applied microbiology Vol. 134; no. 12
Main Authors Ruiz, María J, Sirini, Noelí E, Stegmayer, María Á, Soto, Lorena P, Zbrun, María V, Olivero, Carolina R, Werning, María L, Acosta, Federico F, Signorini, Marcelo L, Frizzo, Laureano S
Format Journal Article
LanguageEnglish
Published England 01.12.2023
Subjects
Biofilms
Campylobacter
Campylobacter coli
Campylobacter jejuni
Lactobacillus plantarum
Steel
competitive exclusion
probiotic
lactic acid bacteria
biofilm
Campylobacter
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Summary:To evaluate the biofilm-forming capacity of thermotolerant Campylobacter (TC) strains from poultry production and to analyse the inhibitory capacity of Lactiplantibacillus plantarum LP5 against TC on different materials. Biofilm-forming capacity by Campylobacter jejuni and Campylobacter coli was analysed by cell adhesion in polystyrene plates. TC were classified as non-biofilm-forming (NBF, 1.3%), weak biofilm-forming (WBF, 68.4%), moderate biofilm-forming (MBF, 27.6%), and strong biofilm-forming (SBF, 2.7%). The inhibitory capacity of L. plantarum LP5 against TC was tested on stainless-steel, nylon, aluminium, and glass disks (treated group) and compared with biofilm-forming TC (control group). Lactiplantibacillus plantarum LP5 was inoculated, and then TC. Biofilm was removed in both experimental groups and TC and LP5 bacterial counts were performed. The L. plantarum LP5 presence reduced the formation of TC biofilm (P < 0.001). The material type and strain category influenced biofilm formation, with stainless-steel and the SBF strain being the material and TC having the highest adhesion (P < 0.001). Lactiplantibacillus plantarum LP5 formed a similar biofilm on all materials (P = 0.823). This trial showed very promising results; L. plantarum LP5 could be incorporated as a bio-protector of TC on different surfaces.
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ISSN:1365-2672
1365-2672
DOI:10.1093/jambio/lxad267