The effect of naphthylthiourea salts on the growth of acid-fast saprophytic bacilli.
SS'-naphthylisothiourea-1,4 and SS'-naphthylisothiourea-1,5 inhibit growth of acid-fast saprophytic bacilli. The lowest inhibitory concentration for the most sensitive strain, Mycobacterium smegmatis, is 1.562 microg/ml. These compounds act bacteriostatically on Mycobacterium sp. The growth of other investigated microorganisms was inhibited only at markedly higher concentrations.
Institute of Biology, Department of Plant Physiology, Maria Curie-Sklodowska University, Akademicka 19, 20-033 Lublin, Poland.
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Jóźwik