Мікробні поверхнево-активні речовини (ПАР) є вторинними метаболітами, які синтезуються у вигляді комплексу подібних сполук, склад і співвідношення BIOTECHNOLOGIES
). It was found that the highest degree of oil destruction (up to 95%) was observed when using cultural liquid after cultivation of studied strains on hexadecane and liquid paraffins. The introduction of Cu 2+ (0.1-0.5 mM) in the exponential phase of IMB B-7241 and IMB Ac-5017 strains growth on non-hydrocarbon substrates (ethanol, waste oil) was accompanied by the formation of surfactants in the presence of which degree of decomposition of complex with heavy metals oil pollutions increased by 8-15% compared to using preparations synthesized in medium without copper cations. Intensification of oil destruction in the presence of such surfactants can be explained by activating influence of Cu 2+ on the activity of alkane hydroxylases (the first enzyme of n-alkanes catabolism in producers), and as a consequence, by the preliminary adaptation of cells to petroleum hydrocarbons assimilation.
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