Arenimonas caeni sp nov., isolated from activated sludge

文献类型： 外文期刊

第一作者： Liu, Hongming

作者： Liu, Hongming;Lu, Peng;Zhu, Guoping;Ren, Lei;Sun, Lina

作者机构：

关键词： Arenimonas caeni

期刊名称：INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY （ 影响因子：2.747； 五年影响因子：2.889 ）

ISSN： 1466-5026

年卷期： 2018 年 68 卷 9 期

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收录情况： SCI

摘要： A Gram-stain-negative, non-spore-forming, motile and rod-shaped strain, z29(T), was isolated from the active sludge of a municipal wastewater treatment plant at Wuhu, Anhui, PR China. Phylogenetic analysis of the 16S rRNA gene revealed that strain z29(T) is most closely related to the genus Arenimonas, showing the highest similarity to Arenimonas donghaensis HO3-R19(T) (97.14 %), Arenimonas aestuarii S2-21(T) (96.46 %), Arenimonas daejeonensis T7-07(T) (96.24 %) and Arenimonas taoyuanensis YN2-31A(T) (96.23 %). The only respiratory quinone of strain z29(T) was ubiquinone 8 (Q-8). The major cellular fatty acids (> 10 %) were iso-C-15 : 0, iso-C-16 : 0 and summed feature 9 (iso-C-17 : 1 omega 9c and/or C(16 : 0)10-methyl). The major polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine and an unidentified phospholipid. The genomic DNA G+C content was 70.2 mol%. Genomic comparison between strain z29(T) and Arenimonas donghaensis HO3-R19(T) revealed 83.72% average nucleotide identity. Based on the phenotypic and chemotaxonomic results together with phylogenetical analysis, strain z29(T) is classified as representing a novel species of the genus Arenimonas, for which the name Arenimonas caeni sp. nov. is proposed. The type strain is z29(T) (= JCM 32091(T) = CCTCC AB 2017067(T)).

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