Ukr.Biochem.J. 2015; Volume 87, Issue 4, Jul-Aug, pp. 32-36


Biochemical mechanisms of resistance to p-nitrochlorobenzene of karst caves microorganisms

O. S. Suslova1, P. V. Rokitko1, K. M. Bondar2,
O. O. Golubenko1, A. B. Tashyrev1

1Zabolotny Institute of Microbiology and Virology,
National Academy of Sciences of Ukraine, Kyiv;
2Taras Shevchenko National University of Kyiv, Ukraine;

The biochemical mechanisms of resistance to persistent organic xenobiotic p-nitrochlorobenzene (NCB) of bacterial strains isolated from two cave clays ecosystems – Mushkarova Yama (Podolia, Ukraine) and Kuybyshevskaya (Western Caucasus, Abkhazia) have been established. It has been determined that chemoorganotrophic karst caves strains could interact with NCB and transform it reducing the nitro group with formation of p-chloroaniline (ClA) followed by further destruction of NCB aromatic ring. This explained high resistance of caves strains to NCB. The studied strains could potentially be used in wastewater treatment from nitrochloraromatic compounds.

Keywords: , , ,


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