Aureimonas endophytica sp nov., a novel endophytic bacterium isolated from Aegiceras corniculatum

被引:16
作者
Li, Fei-Na [1 ,2 ]
Tuo, Li [3 ]
Pan, Zhen [1 ,2 ,3 ]
Guo, Min [4 ,5 ]
Lee, Simon Ming-Yuen [4 ,5 ]
Chen, Li [6 ]
Hu, Lin [6 ]
Sun, Cheng-Hang [1 ,2 ]
机构
[1] Chinese Acad Med Sci, Inst Med Biotechnol, Beijing 100050, Peoples R China
[2] Peking Union Med Coll, Beijing 100050, Peoples R China
[3] Zunyi Med Univ, Res Ctr Med & Biol, Zunyi 563003, Peoples R China
[4] Univ Macau, State Key Lab Qual Res Chinese Med, Macau, Peoples R China
[5] Univ Macau, Inst Chinese Med Sci, Macau, Peoples R China
[6] Chinese Acad Sci, Inst Zool, Beijing 100101, Peoples R China
关键词
Aureimonas endophytica; Aegiceras corniculatum; endophytic bacterium; Strain 2T4P-2-4(T); GEN.-NOV; DEOXYRIBONUCLEIC-ACID; MEMBER; ALTAMIRENSIS;
D O I
10.1099/ijsem.0.002046
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
A Gram-negative, motile, aerobic and coccoid rod-shaped bacterium, designated strain 2T4P-2-4(T), was isolated from a piece of surface-sterilized bark of Aegiceras corniculatum collected from Cotai Ecological Zones in Macao, China, and tested by a polyphasic approach to clarify its taxonomic position. Strain 2T4P-2-4(T) grew optimally without NaCl at 28-30 degrees C, pH 7.0-8.0. The 16S rRNA gene sequence of strain 2T4P-2-4(T) had the highest similarity (96.2 %) to Aureimonas rubiginis CC-CFT034(T). Phylogenetic analysis showed that the strain grouped with species of the genus Aureimonas. The predominant quinone system of strain 2T4P-2-4(T) was ubiquinone 10 (Q-10). The polar lipid profile contained diphosphatidylglycerol, phosphatidylglycerol, phosphatidylcholine, phosphatidylethanolamine, sulfoquinovosyldiacylglycerol, phosphatidylmethylethanolamine, two unidentified amino lipids, an unidentified aminophospholipid and five unidentified lipids. The predominant cellular fatty acid was C-18 : 1 omega 7c (61.2 %). The DNA G+C content of strain 2T4P-2-4(T) was 69.8 mol%. Based on the phylogenetic, phenotypic and chemotaxonomic features, strain 2T4P-2-4(T) is a representative of a novel species of the genus Aureimonas, for which the name Aureimonas endophytica sp. nov. is proposed. The type strain of Aureimonas endophytica sp. nov. is 2T4P-2-4(T) (=KCTC 52217(T) = CGMCC 1.15367(T)).
引用
收藏
页码:2934 / 2940
页数:7
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