Pedobacter lotistagni sp. nov. isolated from lotus pond water
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- 作者：Hina Singh ; Juan Du ; Hien T. T. Ngo ; Ki-Young Kim ; Tae-Hoo Yi
- 关键词：Pedobacter lotistagni ; Gram ; staining ; negative ; Menaquinone MK ; 7 ; 16S rRNA
- 刊名：Antonie van Leeuwenhoek
- 出版年：2015
- 出版时间：April 2015
- 年：2015
- 卷：107
- 期：4
- 页码：951-959
- 全文大小：535 KB
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文摘
A light-yellow coloured, Gram-stain negative, rod-shaped, aerobic, non-motile bacterium, designated THG-DN6.8T, was isolated from a lotus pond near Donghaksa temple in Daejeon, South Korea. The strain was found to grow well on nutrient agar, optimally at pH 6.0-.5, at temperature 25-8?°C and in the presence of 0.5?% NaCl. Based on 16S rRNA gene sequence analysis, strain THG-DN6.8T was found to share the highest sequence similarity with Pedobacter koreensis KCTC 12536T, followed by Pedobacter glacialis CCTCC AB 2012941T, Pedobacter kyungheensis KACC 16221T, Pedobacter caeni LMG 22862T, Pedobacter insulae KCTC 12820T and Pedobacter boryungensis KCTC 23344 T. The DNA G+C content was determined to be 36.8?mol%. In DNA–DNA hybridization tests, the DNA relatedness between strain THG-DN6.8T and its closest phylogenetic neighbour P. koreensis was found to be below 10?%. The predominant isoprenoid quinone was identified as menaquinone MK-7 and the major polar lipid as phosphatidylethanolamine. The major fatty acids of strain THG-DN6.8T were identified as iso-C15:0, C16:0, C18:0 and C16:1 ω6c and/or C16:1 ω7c (summed feature 3). On the basis of the phenotypic characteristics, genotypic analysis and chemotaxonomic characteristics, strain THG-DN6.8T is considered to represent a novel species of the genus Pedobacter, for which the name Pedobacter lotistagni sp. nov. is proposed. The type strain is THG-DN6.8T (=?KCTC 42229T?=?JCM 30354T).