alexa Selective removal of nitrogen from quinoline and petroleum by Pseudomonas ayucida IGTN9m.
Environmental Sciences

Environmental Sciences

Journal of Bioremediation & Biodegradation

Author(s): Kilbane JJ nd, Ranganathan R, Cleveland L, Kayser KJ, Ribiero C,

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Abstract Enrichment culture experiments employing soil and water samples obtained from petroleum-contaminated environments succeeded in the isolation of a pure culture possessing the ability to utilize quinoline as a sole nitrogen source but did not utilize quinoline as a carbon source. This culture was identified as Pseudomonas ayucida based on a partial 16S rRNA gene sequence, and the strain was given the designation IGTN9m. Examination of metabolites using thin-layer chromatography and gas chromatography-mass spectrometry suggests that P. ayucida IGTN9m converts quinoline to 2-quinolinone and subsequently to 8-hydroxycoumarin. Resting cells of P. ayucida IGTN9m were shown to be capable of selectively removing about 68\% of quinoline from shale oil in a 16-h treatment time. These results suggest that P. ayucida IGTN9m may be useful in petroleum biorefining for the selective removal of organically bound nitrogen from petroleum.
This article was published in Appl Environ Microbiol and referenced in Journal of Bioremediation & Biodegradation

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