期刊
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
卷 60, 期 -, 页码 1125-1129出版社
MICROBIOLOGY SOC
DOI: 10.1099/ijs.0.013201-0
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- National Natural Science Foundation of China [30700023, 30970098, 20737001]
- State Key Joint Laboratory of Environmental Simulation and Pollution Control [08Z03ESPCT, 09Y03ESPCT]
A polycyclic aromatic hydrocarbon-degrading marine bacterium, designated strain P-4(T), was isolated from oil-polluted saline soil in Xianhe, Shangdong Province, China. Strain P-4(T) was Gram-negative-staining with curved to spiral rod-shaped cells and grew optimally with 3-6% (w/v) NaCl and at 30 degrees C. The predominant fatty acids were C-18:1 omega 7c (35.0%), C-16:0 (25.0%), C-16:1 omega 7c (17.9 %), C-14:0 (6.2%) and C-17:0 cyclo (5.2 %). The major respiratory quinone was Q-9 and the genomic DNA G+C content was 61.2 +/- 1.0 mol%. Phylogenetic analysis based on the 16S rRNA gene sequence indicated that strain P-4(T) belonged to the genus Thalassospira of the class Alphaproteobacteria. DNA-DNA hybridization with Thalassospira xiamenensis DSM 17429(T) showed relatedness of 36.0%, and lower values were obtained with respect to other Thalassospira species. Based on physiological and biochemical tests and 16S rRNA gene sequence analysis as well as DNA-DNA relatedness, strain P-4(T) should be placed in the genus Thalassospira within a novel species. The name Thalassospira xianhensis sp. nov. is proposed, with P-4(T) (=CGMCC 1.6849(T) =JCM 14850(T)) as the type strain.
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