Journal
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
Volume 68, Issue 5, Pages 1702-1706Publisher
MICROBIOLOGY SOC
DOI: 10.1099/ijsem.0.002728
Keywords
Rhodobacteraceae; Neptunicoccus sediminis
Categories
Funding
- National Natural Science Foundation of China [31300005, 31372564, 31400002]
- Bohai Sea and Yellow Sea Oceanological Comprehensive Scientific Investigation, National Nature Science Foundation of China [41349901]
- Natural Science Foundation of Shandong Province [ZR2013CM028]
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A novel Gram-stain-negative bacterium, designated strain CY02(T), was isolated from sediment of the Yellow Sea. Cells of CY02(T) were aerobic, coccus or short rods. Growth occurred at 5-42 degrees C (optimum, 35 degrees C), pH 6-10 (optimum, 8.0) and 0.59.0% NaCl (optimum, 1.5-3.0 %). Phylogenetic analysis of 16S rRNA gene sequences revealed that CY02T was a member of the family Rhodobacteraceae and exhibited less than 95% sequence similarities with the closely related type strains of the family Rhodobacteraceae. The genomic DNA G+C content of CY02(T) was 57.5 mol%. The major respiratory quinone was ubiquinone-10 (Q-10). The polar lipids consisted of phosphatidylcholine, phosphatidylglycerol, phosphatidylethanolamine, diphosphatidylglycerol, three unidentified lipids, one unidentified phospholipid and one unidentified aminolipid. The predominant cellular fatty acids were C(18:1)w7c (57.6 %), 11-methyl C(18:1)w7c (22.8 %) and C-16:0 (10.6 %). Based on the results of morphological, physiological, biochemical, chemotaxonomic, genotypic and phylogenetic analyses, strain CY02(T) represents a novel species of a novel genus of the family Rhodobacteraceae, for which the name Neptunicoccus sediminis gen. nov., sp. nov. is proposed. The type strain of Neptunicoccus sediminis is CY02(T) (=CCTCC AB 2015430(T) =KCTC 42985(T) =NBRC 111872(T) =MCCC 1K03518).
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