Multidrug resistance (MDR) is a serious health threat throughout the world resulting in reduced efficacy of antibacterial, antiparasitic, antiviral, and antifungal drugs. One of the most promising concepts that may represent a good alternative to antibiotics can be the use of bacteriocins obtained from lactic acid bacteria. The L. rhamnosus BTK 20-12 strain was isolated from traditional Armenian naturally fermented salted cheese. The probiotic potential of the strain was approved. It was shown that strain produced at less two bacteriocins (BCN 1 and BCN 2) with different molecular weight (1427 Da and 602.6 Da, respectively). Bacteriocins inhibited the growth of multidrug-resistant bacteria of different etiologies and belong to different taxonomic groups with diverse efficiency and it depends on properties of bacteriocins, as well as from isolation sources of pathogens. Thus, bacteriocins of L. rhamnosus BTK 20-12 have protein-like nature and a broad range of activity and are excellent candidates for the development of new prophylactic and therapeutic substances to complement or replace conventional antibiotics.
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Tkhruni, F.N., Aghajanyan, A.E., Balabekyan, T.R. et al. Characteristic of Bacteriocins of Lactobacillus rhamnosus BTK 20-12 Potential Probiotic Strain. Probiotics & Antimicro. Prot. 12, 716–724 (2020). https://doi.org/10.1007/s12602-019-09569-y
- Multidrug resistance
- Human pathogens
- Antibacterial activity