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Int J Syst Evol Microbiol 57 (2007), 1222-1226; DOI  10.1099/ijs.0.64973-0
© 2007 International Union of Microbiological Societies

Halomonas shengliensis sp. nov., a moderately halophilic, denitrifying, crude-oil-utilizing bacterium

Ya-Nan Wang1, Hua Cai1, Chang-Qiao Chi1, An-Huai Lu2, Xian-Gui Lin3, Zheng-Feng Jiang1 and Xiao-Lei Wu1

1 Department of Environmental Science and Engineering, Tsinghua University, Beijing 100084, China
2 Department of Geology, Peking University, Beijing 100871, China
3 Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China

Correspondence
Xiao-Lei Wu
xiaolei_wu{at}tsinghua.edu.cn

A moderately halophilic bacterium, designated strain SL014B-85T, was isolated from a crude-oil-contaminated saline soil from Shengli oilfield, Shandong Province, China. Cells were Gram-negative, aerobic, short rods with lateral flagella. Growth occurred at NaCl concentrations of 0–15 % (optimum 5–15 %), at 10–42 °C (optimum 30 °C) and at pH 8.0–9.0 (optimum pH 8.5). The only respiratory quinone was Q9, and the main cellular fatty acids were C18 : 1{omega}7c, C16 : 0 and C19 : 0 cyclo {omega}8c. The G+C content of the DNA was 66.6 mol%. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain SL014B-85T belonged to the genus Halomonas in the Gammaproteobacteria, with highest sequence similarity of 98.1 and 97.8 % to Halomonas alimentaria DSM 15356T and Halomonas ventosae DSM 15911T, respectively. DNA–DNA relatedness values were below 40 % with members of closely related Halomonas species. Results of phenotypic, biochemical and phylogenetic analyses revealed that strain SL014B-85T could be classified as representing a novel species of the genus Halomonas, for which the name Halomonas shengliensis sp. nov. is proposed. The type strain is SL014B-85T (=CGMCC 1.6444T=LMG 23897T).

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain SL014B-85T is EF121853.




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Halomonas nitroreducens sp. nov., a novel nitrate- and nitrite-reducing species
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[Abstract] [Full Text] [PDF]


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