ANTIMICROBIAL ACTIVITY OF LYSOZYME TOWARDS LISTERIA MONOCYTOGENES AT VARIOUS MEDIUM CONDITIONS
M N Berlov , S V Legkovoy , E S Umnyakova , V N Kokryakov
Medical academic journal ›› 2019, Vol. 19 ›› Issue (1S) : 161 -162.
ANTIMICROBIAL ACTIVITY OF LYSOZYME TOWARDS LISTERIA MONOCYTOGENES AT VARIOUS MEDIUM CONDITIONS
The in vitro antimicrobial action of human leukocyte lysozyme from on gram-positive bacterium Listeria monocytogenes under various medium conditions was studied. It was shown that in a low ionic strength buffer (without NaCl), lower doses of lysozyme are required to reveal the microbicidal effect than in the case of 0.075 or 0.15 M NaCl. The bacterial growth phase does not significantly affect the antimicrobial activity of lysozyme. The results obtained are consistent with the two-stage mechanism of the antimicrobial action of lysozyme, which includes enzymatic and non-enzymatic action.
Listeria monocytogenes / lysozyme / antimicrobial activity / Listeria monocytogenes
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Berlov M.N., Legkovoy S.V., Umnyakova E.S., Kokryakov V.N.
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