Roseomonas chloroacetimidivorans sp nov., a chloroacetamide herbicide-degrading bacterium isolated from activated sludge
文献类型: 外文期刊
第一作者: Chu, Cui-Wei
作者: Chu, Cui-Wei;He, Qin;He, Jian;Chen, Qing;Wang, Hong-Mei;Sun, Zhong-Guan;Wang, Cheng-Hong;Gu, Jin-Gang
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关键词: Roseomonas chloroacetimidivorans sp nov;Polyphasic taxonomy;Degrading
期刊名称:ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY ( 影响因子:2.271; 五年影响因子:2.707 )
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收录情况: SCI
摘要: A Gram-negative, aerobic, short rod-shaped, pink-pigmented, non-motile bacterium, designated BUT-13(T), was isolated from activated sludge of an herbicide-manufacturing wastewater treatment facility in Jiangsu province, China. Growth was observed at 0-5.5 % NaCl, pH 6.0-9.0 and 12-37 A degrees C. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain BUT-13(T) is a member of the genus Roseomonas, and shows high sequence similarities to R. pecuniae N75(T) (98.0 %) and R. rosea 173-96(T) (97.5 %), and lower (< 97 %) sequence similarities to all other Roseomonas species. Chemotaxonomic analysis revealed that strain BUT-13(T) possesses Q-10 as the predominant ubiquinone; summed feature 8 (C-18:1 w7c and/or C-18:1 w6c; 38.8 %), C-18:0 (16.6 %), C-16:0 (15.2 %), summed feature 3 (C-16:1 omega 6c and/or C-16:1 omega 7; 7.9 %) and C-18:1 w9c (4.7 %) as the major fatty acids. The polar lipids were found to consist of two aminolipids, a glycolipid, a phospholipid, a phosphoglycolipid, phosphatidylcholine, phosphatidylethanolamine and diphosphatidylglycerol. Strain BUT-13(T) showed low DNA-DNA relatedness with R. pecuniae N75(T) (45.2 %) and R. rosea 173-96(T) (51.2 %). The DNA G+C content was determined to be 67.6 mol%. Based on the phylogenetic analysis, DNA-DNA hybridization and chemotaxonomic analysis, as well as biochemical characteristics, strain BUT-13(T) can be clearly distinguished from all currently recognised Roseomonas species and should be classified as a novel species of the genus Roseomonas, for which the name Roseomonas chloroacetimidivorans sp. nov. is proposed. The type strain is BUT-13(T) (CCTCC AB 2015299(T) = JCM 31050(T)).
分类号: Q1
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