Degradation of 2-chlorobenzoic and 2,5-dichlorobenzoic acids in soil columns byPseudomonas stutzeri |
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| Authors: | S. A. Kozlovsky G. M. Zaitsev F. Kunc |
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| Affiliation: | (1) International Postgraduate Training Course UNESCO-ROSTE, Institute of Microbiology, Czech Academy of Sciences, 142 20 Prague 4, Czech Republic;(2) Institute of Microbiology, Belarussian Academy of Sciences, 220 067 Minsk, Belarus;(3) Institute of Microbiology, Czech Academy of Sciences, 142 20 Prague 4, Czech Republic |
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| Abstract: | The heterocontinuous flow cultivation technique was used for the study of 2-chlorobenzoic and 2,5-dichlorobenzoic acid degradation in soil columns inoculated withPseudomonas stutzeri. 2-Chlorobenzoic and 2,5-dichlorobenzoic acids disappeared from the soil columns within 8 and 12 d, respectively. The presence of the haloaromatics increased the survival of strain KS25 in soil. Viable cell numbers in the soil columns flushed with 2-chlorobenzoic and 2,5-dichlorobenzoic acids were 1.3 and 2 times higher, respectively, than those without the chlorobenzoic acids after 30 d of incubation. |
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