The peculiarities of antagonistic activity of Lactobacillus strains isolated from probiotics and different econiches under cultivation conditions different by gas composition
Keywords:
lactobacillus, corynebacteria, staphylococci, antagonistic properties, cultivation conditions.Abstract
Antagonistic activity of Lactobacillus strains, isolated from different biotopes, against pathogenic corynebacteria and Staphylococcus aureus was studied under aerobic and microaerophilic cultivation conditions. It was established that competitive properties of Lactobacillus spp. against C. diphtheriae and S. aureus depended to some degree on the habitat of antagonistic strains. Meanwhile, in aerobic conditions antagonistic properties of Lactobacillus strains isolated from man and bees were expressed more than the probiotic ones. All Lactobacillus strains isolated from man and bees significantly increased their ability to inhibit the corynebacteria and staphylococci growth in microaerophilic cultivation conditions. In this conditions L. plantarum strain isolated from bees was
the most powerful antagonist against corynebacteria and Lactobacillus strains isolated from humans were the most active against S. aureus.
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