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Sphingomonas polyaromaticivorans sp nov., a polycyclic aromatic hydrocarbon-degrading bacterium from an oil port water sample

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Sphingomonas polyaromaticivorans sp nov., a polycyclic aromatic hydrocarbon-degrading bacterium from an oil port water sample.htm (394bytes)
Date
2012-06
Author
Luo, Yuan-Rong
Tian, Yun
Huang, Xu
Kwon, Kaekyoung
Yang, Sung-Hyun
Seo, Hyun-Seok
Kim, Sang-Jin
Zheng, Tian-Ling
郑天凌
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  • 生命科学-已发表论文 [5877]
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Abstract
A bacterial strain (B2-7(T)) capable of degrading a wide range of polycyclic aromatic hydrocarbon compounds (2-4 rings) was isolated from a water sample taken from Botan Oil Port in Xiamen, China. The isolate was Gram-negative, short-rod-shaped, aerobic, non-motile and formed yellow-pigmented colonies on LB medium. Cells of strain B2-7(T) were catalase-positive and oxidase-negative. Optimal growth of strain B2-7(T) was observed at pH 7.0, at 26 degrees C and in 0.5% NaCl. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain B2-7(T) grouped with members of the genus Sphingomonas and it showed 16S rRNA gene sequence similarity of 95.40% to Sphingomonas yunnanensis YIM 003(T). The major polar lipids were phosphatidylethanolamine, phosphatidylcholine and sphingoglycolipid. Q-10 and sym-homospermidine were the predominant ubiquinone and polyamine components, respectively. The major fatty acids were C-18:1 omega 7c (67.2%), C-14:0 2-OH (10.0%) and C-16:0 (9.6%). The G + C content of the genomic DNA was 61.8 mol%. Based on phenotypic properties, and phylogenetic and genomic data, strain B2-7(T) represents a novel species of the genus Sphingomonas within the class Alphaproteobacteria, for which the name Sphingomonas polyaromaticivorans sp. nov. is proposed. The type strain is B2-7(T) (=KCCM 42951(T)=JCM 16711(T)).
Citation
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY,2012,62:1223-1227
URI
http://dx.doi.org/10.1099/ijs.0.033530-0
WOS:000306502100001
https://dspace.xmu.edu.cn/handle/2288/15332

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