bacteriocins | CMAC

bacteriocins

Whole-genome analysis of a probiotic strain Lactocaseibacillus – identification of genetic determinants for bacteriocin production as a basis for standardization of mono- and multicomponent probiotics

Objective. Conducting a whole-genome study and bioinformatic analysis of a Lacticaseibacillus strain to confirm taxonomic affiliation, identify genetic determinants of metabolic activity, stress resistance, and bacteriocin production as a criterion for the standardization of mono- and multi-component probiotics. Materials and Methods. The object of the study was a strain isolated from a coloproctology patient in 2024. Cultivation was carried out on MRS medium under microaerophilic conditions. Wholegenome sequencing was performed on the Oxford Nanopore Technologies MinION platform (R10.

A study of antimicrobial effect of Lactiplantibacillus plantarum 8P-A3 supernatant on nosocomial isolates of Klebsiella pneumoniae and Acinetobacter baumannii

Objective. To study antimicrobial effect of extracellular metabolites of probiotic L. plantarum 8P-A3 strain on antibiotic-resistant Klebsiella pneumoniae and Acinetobacter baumannii isolated from infected wounds. Materials and Methods. Bacteriological methods: semiquantitative sector method for extracting opportunistic microorganisms from an infected wound; a method for the identification of the antimicrobial activity of metabolites in a liquid milieu; The identification of bacteria was implemented with the help of the MALDI-TOF Autoflex mass spectrometer (Bruker Daltonics, Germany).