Pontibacter silvestris sp nov., isolated from the soil of a Populus euphratica forest and emended description of the genus Pontibacter
文献类型： 外文期刊
作者： Osman, Ghenijan 1 ; Wang, Zhifang 1 ; Wang, Ning 1 ; Shayimu, Gulinisha 1 ; Hou, Min 1 ; Guo, Wenchao 1 ; Yang, Xinpin 1 ;
作者机构： 1.Xinjiang Acad Agr Sci, Inst Microbiol, Urumqi 830091, Peoples R China
2.Xingjian Lab Special Environm Microbiol, Urumqi 830091, Peoples R China
关键词： Pontibacter; forest soil; Populus euphratica
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 10 期
页码：
收录情况： SCI
摘要： Strain XAAS-R86(T), a Gram-stain-negative, short rod-shaped, non-motile, aerobic bacterium, was isolated from a Populus euphratica forest near the city of Hotan, Xinjiang, PR China. The cells were found to be positive for catalase and oxidase activities. Growth occurred optimally at 28-30 degrees C, pH 7.0-7.5 and in the presence of 0.5-2.0 % NaCl (w/v). The results of phylogenetic analysis of the 16S rRNA gene indicated that XAAS-R86(T) represents a member of the genus Pontibacter within the family Hymenobacteraceae. Pontibacter akesuensis CCTCC AB 206086(T) is the most closely related species with a validly published name, based on 16S rRNA gene sequence identity (95.7 %). The DNA G+C content of the strain is 43.9 mol%. The main respiratory quinone is MK-7 and the major cellular fatty acids are summed feature 4 (iso-C17:1I and/or anteiso-C17:1B) and iso-C-15:1 and its major polar lipids are phosphatidylethanolamine and two unidentified lipids. On the basis of the results of tests performed using a polyphasic approach, XAAS-R86(T) represents a novel species of the genus Pontibacter, for which the name Pontibacter silvestris sp. nov. is proposed, with the type strain XAAS-R86(T)(=CCTCC AB 2017165(T)=KCTC 62047(T)).
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