Li Lan-Yu, Yang Zi-Wen, Asem Mipeshwaree Devi, Salam Nimaichand, Xiao Min, Alkhalifah Dalal Hussien M, Hozzein Wael N, Nie Guo-Xing, Li Wen-Jun
College of Life Sciences, Henan Normal University, Xinxiang, 453007, People's Republic of China.
State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China.
Antonie Van Leeuwenhoek. 2019 Feb;112(2):203-209. doi: 10.1007/s10482-018-1145-2. Epub 2018 Aug 21.
Strain SYSU D8008 was isolated from a desert sand sample collected from Saudi Arabia. The strain was observed to be Gram-stain positive, non-motile and aerobic. It can grow at 15-37 °C, pH 6.0-10.0 and can tolerant up to 7% (w/v) NaCl. Pairwise comparison of the 16S rRNA gene sequence indicated that strain SYSU D8008 shares high sequence similarities with Georgenia deserti SYSU D8004 (96.8%) and Georgenia halophila YIM 93316 (96.8%). Menaquinone MK-8(H) was detected as the respiratory isoprenologue. The polar lipid profile of strain SYSU D8008 was found to consist of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol, two phosphatidylinositol mannosides, an unidentified glycolipid and an unidentified phospholipid. Strain SYSU D8008 was found to contain anteiso-C and iso-C as the predominant fatty acids. Galactose, glucose and rhamnose were detected as the whole cell sugars. Based on the phenotypic, genotypic and phylogenetic characteristics, strain SYSU D8008 can be differentiated from other closely related members of the genus Georgenia. The strain SYSU D8008, therefore, is concluded to represent a novel species of the genus Georgenia, for which the name Georgenia alba sp. nov. is proposed. The type strain is SYSU D8008 (= CGMCC 1.15800 = KCTC 39988).
菌株SYSU D8008是从沙特阿拉伯采集的沙漠沙样中分离得到的。该菌株经观察为革兰氏阳性、无运动性且需氧。它能在15 - 37°C、pH值6.0 - 10.0的条件下生长，并且能耐受高达7%（w/v）的NaCl。16S rRNA基因序列的成对比较表明，菌株SYSU D8008与沙漠乔治菌SYSU D8004（96.8%）和嗜盐乔治菌YIM 93316（96.8%）具有高度的序列相似性。检测到甲基萘醌MK - 8(H)作为呼吸类异戊二烯醌。发现菌株SYSU D8008的极性脂质谱由双磷脂酰甘油、磷脂酰甘油、磷脂酰肌醇、两种磷脂酰肌醇甘露糖苷、一种未鉴定的糖脂和一种未鉴定的磷脂组成。菌株SYSU D8008被发现以anteiso - C和iso - C作为主要脂肪酸。检测到半乳糖、葡萄糖和鼠李糖作为全细胞糖。基于表型、基因型和系统发育特征，菌株SYSU D8008可与乔治菌属的其他密切相关成员区分开来。因此，得出结论菌株SYSU D8008代表乔治菌属的一个新物种，为此提出名称为白色乔治菌（Georgenia alba sp. nov.）。模式菌株为SYSU D8008（= CGMCC 1.15800 = KCTC 39988）。
