Isolation and characterization of BTEX tolerant and degrading Pseudomonas putida BCNU 106

Bacterial strains growing in river sediments were screened to identify an organic solvent-tolerant strain of Pseudomonas . Using this screen, Pseudomonas sp. BCNU 106 was isolated on the basis of its ability to grow on benzene, toluene, ethylbenzene, and three xylene isomers, o -, m - and p -xylene,...

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Bibliographic Details
Published in:Biotechnology and bioprocess engineering 2013, 18(5), , pp.1000-1007
Main Authors: Choi, Hye Jung, Seo, Jeoung-Yoon, Hwang, Su Mi, Lee, Yong-Ill, Jeong, Yong Kee, Moon, Ja-Young, Joo, Woo Hong
Format: Article
Language:English
Subjects:
Bacteria
Benzene
Biodegradation
Bioremediation
Biotechnology
Carbon
Carbon sources
Chemistry
Chemistry and Materials Science
Fluvial sediments
Genes
Hydrocarbons
Industrial and Production Engineering
Microorganisms
Organic solvents
Phylogenetics
Pseudomonas
Pseudomonas putida
Research Paper
Sediments
Solvents
Studies
Toluene
Waste materials
Xylene
생물공학
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Summary:Bacterial strains growing in river sediments were screened to identify an organic solvent-tolerant strain of Pseudomonas . Using this screen, Pseudomonas sp. BCNU 106 was isolated on the basis of its ability to grow on benzene, toluene, ethylbenzene, and three xylene isomers, o -, m - and p -xylene, as its sole carbon source. BCNU 106 was identified as a gram-negative, rod-shaped aerobic and mesophilic bacterium, which grew in liquid media containing high concentrations of organic solvents. 16S rDNA analysis classified BCNU 106 as a new member of the genus Pseudomonas . BCNU 106 was distinguishable from other Pseudomonas strains that are tolerant to organic solvents in that the isolate had the ability to utilize all three xylene isomers as well as benzene, toluene and ethylbenzene. The unique properties of the isolate such as solvent-tolerance and the ability to degrade xylene isomers may have important implications for the efficient treatment of solvent wastes.
ISSN:1226-8372
1976-3816
DOI:10.1007/s12257-012-0860-1