Lag period of 14CO2 evolution from dioctyl sulpho[2,3-14C]succinate in relation to adaptation of bacterium, Comamonas terrigena, to dialkyl esters of sulphosuccinate |
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Authors: | Jana Godočíková Peter Ferianc Bystrík Polek |
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Institution: | Institute of Molecular Biology, Member of the Centre of Excellence, Slovak Academy of Sciences, Bratislava 845 51, Slovak Republic. Jana.Godocikova@savba.sk |
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Abstract: | Comamonas terrigena, strain N3H, which was isolated from soil polluted with crude oil products, degraded dioctyl sulphosuccinate, a synthetic commercial surfactant. The primary degradation of this compound, the cleavage of ester bonds between octyl groups and sulphosuccinate, lasted significantly shorter time than the subsequent breakdown of the sulphosuccinate moiety of dioctyl sulpho2,3-(14)C]succinate. (14)CO(2) evolution had a significant shorter lag period with cells in Tris/phosphate medium, without inorganic sulphate and adapted to surfactant, than unadapted cells. The acceleration of the primary degradation by adapted cells also suggest that some enzymes involved in surfactant degradation are inducible. The bacterium may be useful for bioremediation. |
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