对Nocardioides aquaegermanicae sp. 的多相性特征 Nov. 一种新型的水源性动氨酸细菌
Shuangqing Zhou1,2, Sarah Kirstein1, Lara Keunecke3
1Leibniz-Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Inhoffenstraße 7B, Braunschweig, Germany.
PloS one
|February 10, 2026
概括
一种新型的细菌,Nocardioides aquaegermanicae sp. 这种新型的细菌. Nov. 在德国被发现. 这种新物种,DSM 117947T菌株,是通过全面的多相分类学分析识别出来的,它与相关物种有区别.
科学领域:
- 微生物学 微生物学
- 细菌学 细菌学是一门学科.
- 分类学 分类学是指分类学.
背景情况:
- 菌株DSM 117947T是从一个Micromonospora matsumotoense共同培养中分离出来的.
- 样本来源于德国的一个水源.
研究的目的:
- 为了对DSM 117947T.菌株进行多相分类学分析.
- 为了确定该菌株是否代表Nocardioides属内的新物种.
主要方法:
- 多相分类分析包括16S rRNA基因测序.
- 数字DNA-DNA杂交 (dDDH) 和平均核酸标识 (ANI) 的计算.
- 化学分类学分析 (极性脂质,menaquinone,脂肪酸) 和基因组G+C含量确定.
主要成果:
- 该菌株显示99.3%的16S rRNA基因序列类似于Nocardioides aurantiacus DSM 12652T.
- dDDH和ANI值低于物种划分值 (分别为70%和95-96%).
- 独特的化学分类学和基因组学特征使该菌株与其最接近的基因组学邻居有所区别.
结论:
- 株DSM 117947T的独特特征证明其被归类为新物种是合理的.
- 这种新物种的建议名称是Nocardioides aquaegermanicae sp. 在新的一年里.
- 菌株DSM 117947T被指定为类型菌株 (WG_orangeT = KCTC 59414T). 这种菌株被指定为类型菌株.
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