莫拉克塞拉·纳西波维斯 (Moraxella nasibovis sp.) 是一个植物. nov. 从患有呼吸道疾病的牛中分离出来
Fuxiang Li1, Wenhua Zhao1, Pei Zhu1
1Yunnan Tropical and Subtropical Animal Virus Diseases Laboratory, Yunnan Animal Science and Veterinary Institute, Kunming, 650224, People's Republic of China.
Current microbiology
|July 26, 2023
概括
一种新的细菌物种,莫拉克塞拉·纳西博维斯sp. 11月,从一头患有呼吸系统疾病的奶牛中鉴定出来. 这种阴性菌体代表了莫拉克塞拉属内的新物种,与已知的亲属不同.
科学领域:
- 微生物学 微生物学
- 细菌的分类学 细菌的分类学
- 兽医医学 兽医医学 兽医医学
背景情况:
- 牛呼吸道疾病可能与各种细菌病原体有关.
- 准确识别和分类细菌对于了解疾病病因和开发有效治疗方法至关重要.
- 莫拉塞拉属包括可以在各种动物的呼吸道中发现的细菌.
研究的目的:
- 从分类学上描述一种新的细菌菌株,ZY190618T,从患有呼吸系统疾病的奶牛中分离出来.
- 确定ZY190618T菌株是否代表莫拉克塞拉属内的新物种.
主要方法:
- 现型特征包括Gram染色,形态和生长条件 (温度,pH,NaCl度).
- 使用16S rRNA基因序列进行了家族遗传学分析.
- 用810个单复制基因,正统平均核酸标识 (OrthoANI) 和数字DNA-DNA杂交 (dDDH) 的基因组学分析.
- 脂肪酸组成,呼吸系统和极性脂质的分析.
主要成果:
- 菌株ZY190618T是一种格拉姆阴性,有氧的.
- 遗传学和遗传学分析将这种菌株置于莫拉塞拉属内,形成一个独特的分类.
- 较低的OrthoANI (77.1%) 和dDDH (24.7%) 值证实了它与相关的莫拉塞拉物种相比的新性.
- 观察到独特的生理和化学分类学特性,包括在37°C,pH值8.0和1.5%NaCl的最佳生长,具有特定的脂肪酸和极性脂质配置.
结论:
- 菌株ZY190618T代表了 Moraxella 属的一种新型物种.
- 这种新物种的建议名称是Moraxella nasibovis sp. 在新的一年里.
- 类型菌株是ZY190618T (=CCUG 75921T=CCTCC AB 2021472T) 的.
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