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| Content Provider | Springer Nature Link |
|---|---|
| Author | Xie, Bai Sheng Lv, Xiang Lin Cai, Man Tang, Yue Qin Wang, Ya Nan Cui, Heng Lin Liu, Xue Ying Tan, Yan Wu, Xiao Lei |
| Copyright Year | 2015 |
| Abstract | Two aerobic Gram staining negative, non-motile, and rod-shaped strains, DQW12E81-30T and DQW12E6-37-1, were isolated from an oil production mixture from Daqing Oilfield, northeastern China. Phylogenetic analysis based on the nearly complete 16S rRNA gene sequences revealed that strains DQW12E81-30T and DQW12E6-37-1 were members of family Rhodobacteraceae, which showed 95.6–95.9 % of 16S rRNA gene sequence similarities with Pararhodobacter aggregans DSM 18938T, Rhodobacter veldkampii CGMCC 1.5006T, and Roseinatronobacter thiooxidans DSM 13087T, and lower similarities (<95.1 %) with all the left type species. Growth of strains DQW12E81-30T and DQW12E6-37-1 occurred at pH 7–8, 15–45 °C, and 0–4 % (w/v) of NaCl. The strains could grow both in dark and in light, but neither photosynthetic pigments nor photosynthetic reaction center gene pufM were detected in the strains. These photosynthesis-related features of the two isolates were different from those of Rhodobacter and Roseinatronobacter bacteria, but similar with those of Pararhodobacter. The genomic DNA G+C contents of strains DQW12E81-30T and DQW12E6-37-1 were 66.9 and 63.7 mol%, respectively. The predominant ubiquinone was Q-10 for both the strains. The major polar lipids of strain DQW12E81-30T were phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, phosphatidylcholine, unidentified aminolipid, unidentified glycolipid, and unidentified phospholipid. The two strains had C18:1 ω7c, C18:0, and C18:1 ω7c 11-methyl as the major fatty acids. In addition, the strains DQW12E81-30T and DQW12E6-37-1 had C16:1 ω7c/C16:1 ω6c, C12:0, C14:0, C14:0 3-OH/C16:1 iso I, C10:0 3-OH, which were remarkably different from those of Pararhodobacter and Roseinatronobacter. The results of phenotypic, genotypic, and chemotaxonomic characteristics analyses indicated that strains DQW12E81-30T and DQW12E6-37-1 were readily different from their most phylogenetically closely related genera. Plastorhodobacter daqingensis gen. nov, sp. nov. is proposed for strains DQW12E81-30T and DQW12E6-37-1. The type strain is DQW12E81-30T (=LMG 27732T=CGMCC 1.12750T). |
| Starting Page | 657 |
| Ending Page | 664 |
| Page Count | 8 |
| File Format | |
| ISSN | 03438651 |
| Journal | Current Microbiology |
| Volume Number | 70 |
| Issue Number | 5 |
| e-ISSN | 14320991 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2015-01-09 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Microbiology Biotechnology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Microbiology Applied Microbiology and Biotechnology |
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