Description of Belnapia rosea sp. nov. and emended description of the genus Belnapia Reddy et al. 2006.
Source
Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China.
Abstract
A novel alphaproteobacterial strain, designated CPCC 100156(T), was isolated from a forest soil sample collected from Hainan Island, South China, and subjected to taxonomic investigation using a polyphasic approach. The pink- to rosy-coloured colonies on TSA and YM agar were smooth and moist. Good growth occurred at 28-32 °C and at pH 7.0-7.5. The respiratory quinone was ubiquinone-9. The polar lipids consisted of phosphatidylcholine (PC), hydroxyphosphatidylethanolamine (OH-PE), phosphatidylglycerol (PG), diphosphatidylglycerol (DPG) and two unidentified aminolipids (AL1, AL2), with a minor amount of ninhydrin-positive phosphoglycolipid. (NPG). The major cellular fatty acids were summed feature 8 (C(18:1)ω7c /C(18:1)ω6c) (49.5%), summed feature 3 (C(16:1)ω7c/C(16:1)ω6c) (22.5%), and C(16:0) (14.0%). The G+C content of the genomic DNA was 70.3 mol%. The organism showed 16S rRNA gene sequence similarity of 97.37% with Belnapia moabensis DSM 16746(T). Phylogenetic analyses based on 16S rRNA gene sequences showed that the isolate belonged to the family Acetobacteraceae and consistently formed a robust cluster with Belnapia moabensis DSM 16746(T) in the phylogenetic tree. The DNA-DNA hybridization value between the new isolate and Belnapia moabensis DSM 16746(T) was 45.6%. On the basis of the taxonomic evidence, it is proposed that strain CPCC 100156(T) represents a novel species, for which the name Belnapia rosea sp. nov. is proposed. The type strain is CPCC 100156(T) (=DSM 23312(T)=CGMCC 1.10758(T)). The description of the genus Belnapia is emended accordingly.
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