在Psychrobacter属中基于家族学的重新分类,包括Psychrobacter pacificensis,Psychrobacter proteolyticus和Psychrobacter submarinus的修正描述
Jasvinder Kaur1, Utkarsh Sood2, Chandni Talwar3,4
1Gargi College, University of Delhi, Siri Fort Road, New Delhi, 110 049, India.
Antonie van Leeuwenhoek
|August 28, 2023
概括
这项研究根据基因组测序重新分类了几种Psychrobacter物种. 高平均核酸标识 (ANI) 和数字DNA-DNA杂交 (dDDH) 值支持P. salsus与P. submarinus,P. oceani与P. pacificensis以及P. marincola/P. marincola合并. 阿德利尼斯与P.proteolyticus.一起生长.
科学领域:
- 微生物学 微生物学
- 基因组学就是基因组学.
- 分类学 分类学是指分类学.
背景情况:
- 心理学菌属包括许多具有不同分类学分类的物种.
- 准确的物种划分对于理解微生物多样性和功能至关重要.
研究的目的:
- 通过全基因组测序数据重新评估43种Psychrobacter类型菌株的分类地位.
- 根据基因组和表型证据提出分类学修订建议.
主要方法:
- 对43种Psychrobacter类型菌株进行基因组比较分析.
- 平均核酸标识 (ANI) 和数字DNA-DNA杂交 (dDDH) 值的计算.
- 评估表型特征,包括形态,生长和脂肪酸组成.
主要成果:
- 三个不同的类型菌株组被确定为同类.
- 第一个组:Psychrobacter salsus和Psychrobacter submarinus. 这两种类型的细菌都存在.
- 第2组: 海洋生物和太平洋生物.
- 第三组:心理细菌蛋白质菌,心理细菌海洋菌和心理细菌阿德利尼斯菌.
- 在每个组中都观察到高的ANI (>97.69%) 和dDDH (>80.2%) 值.
- 表型数据证实了基因组发现.
结论:
- 将Psychrobacter salsus重新归类为P. submarinus的同义词.
- 将Psychrobacter oceani重新归类为P. pacificensis的同义词.
- 将P. marincola和P. adeliensis重新归类为P. proteolyticus的同义词.
- 这项研究根据强有力的基因组证据完善了Psychrobacter属的分类学.
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