Phylogenetic analysis of the genes for naphthalene and phenanthrene degradation in Burkholderia sp. strains |
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| Authors: | T Yu Izmalkova O I Sazonova I A Kosheleva A M Boronin |
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| Institution: | 1. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Pushchino, Moscow oblast, 142290, Russia
2. Pushchino State Institute of Natural Sciences, Pushchino, Moscow oblast, 142290, Russia
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| Abstract: | The genetic systems responsible for naphthalene and phenanthrene catabolism have been analyzed in the five strains of Burkholderia sp. isolated from soil samples (West Siberia) contaminated by heavy residual fuel and in the laboratory collection strain Burkholderia sp. BS3702 isolated from soil samples of the coke gas plant (Vidnoe, Moscow oblast). The results of this work demonstrate that naphthalene and phenanthrene degradation in the above strains is encoded by the sequences not homologous to the classical nah genes of pseudomonades. In the Burkholderia sp. BS3702 strain, the initial stages of phenanthrene degradation and the subsequent stages of salicylate degradation are controlled by the sequences of different evolutionary descent (phn and nag genes). |
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