Abstract—
Inhibitory effect of chitosan (molecular mass 28 kDa, deacetylation 94%) and of its quaternized derivative with 60% substitution on bacteria of various taxonomic groups was investigated. Bacteria differing in the cell wall surface characteristics and affinity to dyes were found to differ in their sensitivity to chitosan. Correlation dependencies between antibacterial activity of quaternized chitosan and the surface characteristics of bacterial cell walls were revealed.
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This work was supported by the Ministry of Education and Science of the Russian Federation in terms of the State Assignments concerned with Molecular Mechanisms of Microbial Adaptation to Environmental Factors, Research and Technological Development Registration no. АААА-А19-119112290009-1, and Production and Investigation of Physiologically Active Compounds, Biopolymers, their Derivatives, and Composites Used in Medicine and Agriculture, Research and Technological Development Registration no. 122041100009-4.
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Korobov, V.P., Shagdarova, B.T., Varlamov, V.P. et al. Inhibitory Action of Low-Molecular Chitosan on Growth of Bacteria with Different Tinctorial Properties. Microbiology 92, 215–220 (2023). https://doi.org/10.1134/S0026261722603347
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DOI: https://doi.org/10.1134/S0026261722603347