Brevibacillus ruminantium sp. 这种细菌的种类是什么? Nov.,从牛中分离出来的
Seunghwan Kim1, Jun Heo1, Soon-Wo Kwon1
1Agricultural Microbiology Division, National Institute of Agricultural Sciences, Rural Development Administration, Wanju-gun, Jeollabuk-do 55365, Republic of Korea.
International journal of systematic and evolutionary microbiology
|December 14, 2023
概括
在牛便中发现了一种新型的有氧性,阳性细菌Brevibacillus ruminantium. 这一发现扩大了Brevibacillus属的已知多样性及其在肠道环境中的潜在作用.
科学领域:
- 微生物学 微生物学
- 细菌学 细菌学是一门学科.
- 基因组学就是基因组学.
背景情况:
- 布雷维细菌属包括有氧,内胞形成的细菌,具有多样化的代谢能力.
- 隔离新型细菌物种对于理解微生物多样性和生态作用至关重要.
研究的目的:
- 从牛中分离出来的一种新型细菌菌株的特征.
- 确定该新型菌株在Brevibacillus属中的分类地位.
- 为已识别的菌株提出一种新的物种名称.
主要方法:
- 从牛便中分离和培养细菌.
- 16S rRNA基因测序和遗传学分析.
- 全基因组测序用于遗传树的构建.
- 确定表型特征,包括生长条件和生物化学测试.
- 化学分类学分析:menaquinones,极性脂质,脂肪酸和糖的组成.
主要成果:
- 一种新的有氧,阳性,杆状,形成内胞的细菌菌株,BB3-R1T,被分离出来.
- 基于16S rRNA基因和全基因组数据的家族遗传学分析将BB3-R1T菌株置于Brevibacillus属内,与Brevibacillus borstelensis密切相关.
- 较低的OrthoANI和dDDH值 (分别为<77.5%和<26.8%) 表明BB3-R1T菌株代表了一个不同的物种.
- 化学分类学数据 (主要的menaquinones,极性脂质,脂肪酸,糖) 支持了它的分类.
- 表型特征包括在35-40°C和pH值为8.0的最佳生长,以及对3%NaCl的耐受性.
结论:
- 菌株BB3-R1T代表了Brevibacillus属的一种新型物种.
- 这种新物种的拟议名称是Brevibacillus ruminantium sp. 在新的一年里.
- 类型菌株是BB3-R1T (=KACC 22663T=NBRC 115962T) 的.
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