Estimation of antibacterial effect on vibrio cholerae (on the example of the substance acetyl-N-cysteine-L)
Abstract
We studied the effect of the substance acetyl-N-cysteine-L on cholera Vibrio. Its minimum inhibitory concentration for the strains of Vibrio cholerae El Tor O1 and O139 serogroup was 1-2.5 mg/ml in solid nutrient media - Martin's agar (pH 7.6) and LB (pH 7.2), while in Bhascaran synthetic medium, using glucose (0.1per cent) as the sole carbon source, N-acetyl-β-D-glucosamine (0.05 per cent) or colloidal chitin (0.027 per cent) it was reduced to 50-250 μg/ml. The ability of the substance acetyl-N-cysteine-L substance to suppress the activity of the purified enzyme N-acetyl-β-D-glucosaminidase (chitobiasis) was found. Antibacterial effect detected of the substance acetyl-N-cysteine-L against the strains of Vibrio cholerae El Tor O1 and O139 serogroups with different epidemic significance (presence / absence of ctxAB and tcpA genes) indicates the advisability of considering the issue on the possibility of including this substance in composition of solution components used in the rehydration therapy of diarrheal diseases cases
About the Authors
O. V. Duvanova
Rostov-on-Don Anti-Plague Institute of Rospotrebnadzor
Russian Federation
Russian Federation
B. N. Mishankin
Rostov-on-Don Anti-Plague Institute of Rospotrebnadzor
Russian Federation
Russian Federation
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Review
For citations:
Duvanova O.V., Mishankin B.N. Estimation of antibacterial effect on vibrio cholerae (on the example of the substance acetyl-N-cysteine-L). Public Health and Life Environment – PH&LE. 2019;(3):55-57. (In Russ.)
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