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Chitinophaga caeni sp nov., isolated from activated sludge

文献类型： 外文期刊

作者： Jin, Decai 1 ; Kong, Xiao 1 ; Wang, Jie 4 ; Sun, Jiajun 2 ; Yu, Xiangyang 5 ; Zhuang, Xuliang 1 ; Deng, Ye 1 ; Bai, Zhihu 1 ;

作者机构： 1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, CAS Key Lab Environm Biotechnol, Beijing 100085, Peoples R China

2.Minist Ecol & Environm, Sci & Technol Dev Ctr, Beijing 100029, Peoples R China

3.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China

4.Gansu Acad Sci, Inst Biol, Lanzhou 730000, Gansu, Peoples R China

5.Jiangsu Acad Agr Sci, Inst Food Qual & Safety, Nanjing 210014, Jiangsu, Peoples R China

关键词： Chitinophaga caeni; activated sludge

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 7 期

页码：

收录情况： SCI

摘要： A novel Gram-stain-negative, non-motile, non-spore-forming, rod-shaped, strictly aerobic bacterium, designated strain 13(T), was isolated from an activated sludge wastewater treatment plant in Beijing, China. 16S rRNA gene sequence analysis placed this organism within the genus Chitinophaga of the class Bacteroidetes, with Chitinophaga skermanii CC-SG1B (92.4 % gene sequence similarity) and Chitinophaga rupis CS5-B1 (91.2 %) as its closest relatives. This isolate contained meso-diaminopimelic acid as the diagnostic diamino acid and the whole-cell hydrolysate was ribose. Phosphatidylethanolamine was the predominant polar lipid. The major cellular fatty acids were iso-C-15:0, C-16:1 omega 5c and iso-C-17:(0) 3-OH. Menaquinone-7 was the only isoprenoid quinone present. The complete genome of the novel strain was sequenced; the size of the genome was 5.28 Mb and the genomic DNA G+C content was 42.5 mol%. The phenotypic, chemotaxonomic and phylogenetic data showed that strain 13(T)represents a novel species of the genus Chitinophaga, for which the name Chitinophaga caeni sp. nov. is proposed. The type strain is 13(T)(=CICC 24262(T)=KCTC 62265(T)).

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