Journal
ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY
Volume 106, Issue 4, Pages 725-731Publisher
SPRINGER
DOI: 10.1007/s10482-014-0242-0
Keywords
16S rRNA; Paracoccus pacificus; Polyphasic taxonomy
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Funding
- COMRA program [DY125-15-R-01]
- National Natural Science Foundation of China [41206160]
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A Gram-stain negative, short rod-shaped, non-motile, catalase- and oxidase-positive, aerobic bacterium, designated F14(T), was isolated from the Western Pacific Ocean. Phylogenetic and phenotypic properties of the organism supported that it belongs to the genus Paracoccus. The levels of 16S rRNA gene sequences similarity between strain F14(T) and other type strains of recognized members of the genus Paracoccus were 93.6-96.5 %. Growth of strain F14(T) was observed at 4-40 A degrees C (optimum, 28-30 A degrees C), pH 6.0-10.0 (optimum, pH 7.0-8.0) and in the presence of 0-7 % (w/v) NaCl (optimum, 1-2 %). The major cellular fatty acid was summed feature 8 (C-18:1 omega 6c and/or C-18:1 omega 7c). The major respiratory quinone was ubiquinone-10. The polar lipid pattern indicated the presence of diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, phosphatidylcholine and three unknown lipids. The DNA G+C content was 61.4 mol%. On the basis of polyphasic characterization, strain F14(T) represents a novel species, for which the name Paracoccus pacificus sp. nov. is proposed. The type strain is F14(T) (=CGMCC 1.12755(T)=LMG 28106(T)=MCCC 1A09947(T)).
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