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Modified sublimation to isolate phenanthrene-degrading bacteria of the genera Sphingomonas and Burkholderia from Xiamen oil port

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Modified sublimation to isolate phenanthrene-degrading bacteria of the genera Sphingomonas and Burkholderia from Xiamen oil port.htm (413bytes)
Date
2008
Author
Huang, X.
Tian, Y.
Luo, Y. R.
Liu, H. J.
Zheng, Wei
Zheng, T. L.
郑天凌
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  • 生命科学-已发表论文 [5901]
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Abstract
Sublimation was developed by Alley and Brown (2000) in order to isolate bacterial strains that were capable of degrading water insoluble compounds. In this study, sublimation was modified by the use of nutritional agar plates, instead of mineral salt agar, to isolate phenanthrene-degrading bacteria from a mixed culture that had been enriched under the selective pressure of high phenanthrene content. Five strains were obtained with different morphology and degradation ability. Based on the 16S rDNA sequence, two of them were classified as species of the genus Sphingomonas; the others as species of the genus Burkholderia. Denaturing gradient gel electrophoresis (DGGE) was introduced to detect dynamic changes in the bacterial community during enrichment batch culture, and to determine any correlation between the five isolates and the phenanthrene-degrading consortium. The DGGE profile indicated that these five isolates corresponded to four dominant bands of the consortium. Compared to traditional means of isolation, we concluded that modified sublimation is effective and more convenient. (c) 2008 Elsevier Ltd. All rights reserved.
Citation
Marine Pollution Bulletin,Volume 57, Issues 6-12, 2008, Pages 538-543
URI
http://dx.doi.org/doi:10.1016/j.marpolbul.2007.12.013
https://dspace.xmu.edu.cn/handle/2288/10388

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