Journal
BULLETIN OF EXPERIMENTAL BIOLOGY AND MEDICINE
Volume 170, Issue 5, Pages 636-639Publisher
SPRINGER
DOI: 10.1007/s10517-021-05122-6
Keywords
endolysins; strength and spectrum of bactericidal activity; bacteriophages; multidrug resistant bacterial strains
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The study revealed that recombinant endolysins showed broad spectrum of bactericidal activity against multidrug resistant strains, with LysECD7, LysAm24, and LysAp22 being the most promising candidates for drug formulation development.
The bactericidal activity of recombinant endolysins LysECD7, LysAm24, LysAp22, LysSi3 and LysSt11 was assayed in multidrug resistant strains (n=120) of Salmonella enterica, E. coli, Acinetobacter baumannii, Enterobacter spp., Pseudomonas aeruginosa, Klebsiella pneumoniae, and Campylobacter jejuni. The assay showed that the recombinant endolysins had a wide spectrum of bactericidal activity compared to endolysins of their progenitor phages. Among examined endolysins, we selected the active pharmaceutical substances with broad spectrum of bactericidal activity. Most strains were sensitive to LysECD7 (70.7%), LysAm24 (65%), and LysAp22 (58.6%), which seems to be promising causative agents for the development of finished dosage form.
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