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Sandaracinobacteroides hominis gen. nov., sp. nov., isolated from human skin

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机构: [1]Department of Clinical Laboratory, The Second Clinical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou 510006, People’s Republic of China [2]State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, People’s Republic of China [3]Department of Dermatology, Guangdong Provincial Key Laboratory of Chinese Medicine for Prevention and Treatment of Refractory Chronic Diseases, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou 510006, People’s Republic of China
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关键词: Sandaracinobacteroides hominis gen nov sp Polyphasic taxonomy Human skin

摘要:
Strain SZY PN-1(T), representing a novel Gram-negative, aerobic, non-motile, rod-shaped and yellow-pigmented bacterium, was isolated from a skin sample of a healthy Chinese male. Growth occurred at pH 6.0-8.0 (optimum, pH 7.0) and 10-37 degrees C (optimum, 30 degrees C) with 0-1.0% (w/v) NaCl in R2A agar. Comparative analysis of the 16S rRNA gene sequences revealed that strain SZY PN-1(T) shared high similarities with two invalid-published species, "Sandaracinobacter sibiricus" RB16-17 (97.1%) and "Sandaracinobacter neustonicus" JCM 30734 (96.6%), respectively. Phylogenetic analysis of 16S rRNA gene sequences together with protein-concatemer tree showed that SZY PN-1(T) formed a separate branch within the family Sphingosinicellaceae. The DNA G + C content of the strain SZY PN-1(T) was 65.0% (genome). The polar lipid profile included phosphatidylethanolamine, phosphatidylglycerol, two sphingoglycolipids, diphosphatidylglycerol, five unidentified glycolipids, and seven unidentified lipids. The predominant fatty acids (> 10.0%) were identified as C-18:1 omega 7c and/or C-18:1 omega 6c, C-17:1 omega 6c, C-16:1 omega 7c and/or C-16:1 omega 6c. The major respiratory quinone was Q-10. Based on the phenotypic and genotypic features, a novel genus and species, Sandaracinobacteroides hominis gen. nov., sp. nov. is proposed, with type strain SZY PN-1(T) (= KCTC 82150 (T) = NBRC 114675(T)).

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基金编号: 2018B030322012 31972856

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出版当年[2020]版:
大类 | 4 区 生物
小类 | 4 区 微生物学
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大类 | 4 区 生物学
小类 | 4 区 微生物学
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Q4 MICROBIOLOGY
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Q3 MICROBIOLOGY

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第一作者机构: [1]Department of Clinical Laboratory, The Second Clinical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou 510006, People’s Republic of China
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