Enterococcus isolated from different sources in Tunisia

What is it about?

Enterococci possess interesting properties not only for the food industry, but also for animal and human health. The antimicrobial potential of these bacteria includes principally bacteriocin-like molecules. With the aim of identifying bacteriocinogenic strains, a collection of 300 enterococci isolated from different origins were screened and their spectrum of action, as well as the gene encoding the bacteriocin, was determined. Fifty-nine bacteriocin-producing Enterococcus showed high activity against Listeria monocytogenes and Paenibacillus larvae, the causative agent of American foulbrood. Enterocins A, P and L50A/B were found in various combinations.

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Why is it important?

The most important finding of this study is the growth inhibition of P. larvae due to bacteriocin-producing Enterococcus, which opens up the possibility to use these strains to control the disease in honeybees.

Perspectives