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乳酸糖菌是什么? 乳酸糖菌是什么? 乳酸糖菌是什么? 乳酸糖菌是什么? nov. 从传统的中国 Pickle 中分离出来
Si-Tong Song1, Chun Yan Li2, Chun Tao Gu3
1College of Life Sciences, Northeast Agricultural University, Harbin, 150030, PR China.
Current microbiology
|September 24, 2024
概括
一种新型的乳酸细菌,Lacticaseibacillus jixiensis sp. 这是一种新型的乳酸细菌. Nov. (菌株N163-3-2^T),是从中国中鉴定出来的. 这种新物种与相关的Lacticaseibacillus细菌不同,扩大了我们对微生物多样性的理解.
科学领域:
- 微生物学 微生物学
- 细菌学 细菌学是一门学科.
- 食品微生物学 食品微生物学
背景情况:
- 乳酸细菌 (LAB) 在发酵食品中至关重要.
- 传统的发酵产品,比如中国的酸菜,拥有多样化的微生物群落.
- 准确的新型LAB的分类学分类对于理解它们的作用至关重要.
研究的目的:
- 为了描述一种从中国中分离出来的乳酸细菌菌株的新型特征.
- 确定该新品种在Lacticaseibacillus.属内的新品种的分类地位.
- 为新型隔离物提出一种新的物种名称.
主要方法:
- 多相分类方法包括表型和基因型分析.
- 16S rRNA基因测序, pheS,rpoA基因测序和连接基因分析.
- 平均核酸标识 (ANI),数字DNA-DNA杂交 (dDDH) 和平均氨基酸标识 (AAI) 的计算.
主要成果:
- 菌株N163-3-2^T表现出与Lacticaseibacillus baoqingensis,Lacticaseibacillus manihotivorans和Lacticaseibacillus porcinae具有很高的16S rRNA基因相似性 (97.9-98.4%),这些基因与16S rRNA具有很高的相似性.
- 较低的pheS,rpoA,连接 pheS-rpoA,ANI,dDDH和AAI值的相似性证实了它与已知的物种的区别.
- 基因组数据表明,N163-3-2^T菌株代表了一种新物种.
结论:
- 孤立的N163-3-2^T菌株在分类学上与Lacticaseibacillus属内的已知的物种有所区别.
- 乳酸糖菌是什么? 乳酸糖菌是什么? 乳酸糖菌是什么? 乳酸糖菌是什么? nov. 被提议作为一种新物种.
- 这种新物种的类型菌株是N163-3-2^T (CCTCC AB 2024125^T = JCM 36999^T).
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