Isolation and Characterization of Dibenzofuran-Degrading <Emphasis Type="Italic">Serratia marcescens</Emphasis> from Alkalophilic Bacterial Consortium of the Chemostat |
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Authors: | Prashant Kumar Jaiswal Indu Shekhar Thakur |
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Institution: | (1) School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, 110 067, India |
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Abstract: | Alkalophilic bacterial consortium developed by continuous enrichment in the chemostat in presence of 4-chlorosalicylic acid
as sole source of carbon and energy contained six bacterial strains, Micrococcus luteus (csa101), Deinococcus radiothilus (csa102), csa103 (Burkholderia gladioli), Alloiococcus otilis (csa104), Micrococcus diversus (csa105), Micrococcus luteus (csa106), identified by the Biolog test method. The strains were tested for utilization of organic compounds in which one
of the strains (csa101) had higher potency to utilize dibenzofuran (DF) as sole carbon and energy source identified as Serratia marcescens on the basis of 16S rDNA. The degradation of DF by bacterial strain proceeded through an oxidative route as indicated by
2,2′3-trihydroxybiphenyl, 2-hydroxy-6-(2-hydroxyphenyl)-6-oxo-2,4-hexadienoic acid, salicylic acid, and catechol, which was
identified by gas chromatography–mass spectrometry. |
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Keywords: | Angular dioxygenation Bacterial consortium Biodegradation Dibenzofuran Serratia marcescens |
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