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Ligilactobacillus cholophilus sp. 这种菌种的种类是什么? nov.,从制的草末 (Brassica juncea Coss.) 中分离出来

Quanlu Ren¹, Danqi Wang¹, Jin Han¹

¹State Key Laboratory of Dairy Biotechnology, Shanghai Engineering Research Center of Dairy Biotechnology, Dairy Research Institute, Bright Dairy & Food Co., Ltd, Shanghai 200436, PR China.

International journal of systematic and evolutionary microbiology

|November 10, 2023

概括

一种新型的细菌物种,Ligilactobacillus cholophilus,被鉴定出来自中国的草末. 这一发现扩大了Ligilactobacillus属内的已知多样性,为微生物生态系统提供了新的见解.

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:

利吉拉ctobacillus是一种乳酸细菌属,在各种环境中发现.
发酵食品,就像菜蔬菜一样,拥有多样化的微生物群落.
新物种的表征对于理解微生物多样性和功能至关重要.

研究的目的:

从中国黄草末中分离和鉴定一种新型细菌物种.
确定分离的菌株的遗传学和表型性质.
在Ligilactobacillus属中提出一种新物种.

主要方法:

多相分类学研究包括16S rRNA基因测序,家庭基因分析,平均核酸身份 (ANI) 和数字DNA-DNA杂交 (dDDH).
表型特征包括细胞形态,格拉姆染色,催化酶活性,生长条件 (温度,pH,盐耐受性) 和脂肪酸分析.
基因组G+C含量的确定.

主要成果:

菌株BD7642T,从制的草末中分离出来,被确定为一种阳性,阴性,短杆状的细菌.
基于16S rRNA基因序列的遗传学分析显示,与Ligilactobacillus aviarius (96.73%) 的相似性最高.
较低的ANI (95%以下) 和dDDH (12.6-25.4%) 值证实BD7642T菌株代表了一个独特的物种,被提出为Ligilactobacillus cholophilus sp. 在新的一年里.

结论:

菌株BD7642T代表了Ligilactobacillus属中的一个新物种,名为Ligilactobacillus cholophilus.
这些发现有助于对Ligilactobacillus属的分类学理解.
这项研究强调了发酵蔬菜产品中存在的微生物多样性.

关键词:

在Ligilactobacillus的研究中.胆汁盐酸酸酶是一种胆汁盐酸.新的物种新奇的物种.水草子子子子

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