关节杆菌 horti sp. sp. 的存在. Nov.,从山地土壤中分离出来的
1Department of Life Science, College of Natural Sciences, Kyonggi University, Suwon, Kyonggi-Do 16227, Republic of Korea.
概括
一种新型的格拉姆阳性细菌,Arthrobacter horti sp. 11月,在韩国被发现. 这种新的Arthrobacter物种对细菌细菌和大肠杆菌表现出抗菌活性.
科学领域:
- 微生物学 微生物学
- 细菌的分类学 细菌的分类学
- 基因组学就是基因组学.
背景情况:
- 隔离了Gram-阳性,有氧,杆状细菌,被指定为YJM1T和YJM12S,来自韩国共和国的Maebong山.
- 增长参数的表征包括温度 (535°C),pH (69) 和盐度 (04% NaCl).
研究的目的:
- 在分类学上分类新的细菌分离物.
- 为了确定菌株YJM1T和YJM12S在*Arthrobacter*属内的遗传位置.
- 根据综合数据提出一种新的物种名称.
主要方法:
- 16S rRNA基因测序用于遗传学分析.
- 化学分类学分析,包括极性脂质和主要脂肪酸分析.
- 全基因组测序用于DNA G+C含量确定.
- 平均核酸标识 (ANI) 和数字DNA-DNA杂交 (dDDH) 的计算.
主要成果:
- 最高的16S rRNA基因序列相似性 (98.3%) 与 *Arthrobacter nanjingensis* A33T.
- 菌株YJM1T的DNA G+C含量为68.3莫尔%.
- ANI和dDDH值表明与相关的 *Arthrobacter* 种类的区别.
- 菌株YJM1T表现出对* Bacillus subtilis* 和* Escherichia coli* 的抗菌活性.
结论:
- 综合的基因型,化学分类学和表型数据支持将YJM1T菌株归类为新物种.
- 这种新物种的建议名称是 *Arthrobacter horti* sp. 在新的一年里.
- 类型菌株是YJM1T (=KACC 23300T=JCM 36483T) 的.
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