Halobacterium yunchengense sp. nov., Natronomonas amylolytica sp. nov., Halorientalis halophila sp. nov., Halobellus salinisoli sp. nov., halophilic archaea isolated from a saline lake and inland saline soil.

IF 2.6 3区生物学 Q3 BIOCHEMISTRY & MOLECULAR BIOLOGY

Extremophiles Pub Date : 2024-06-18 DOI:10.1007/s00792-024-01347-1

Ling Cui, Yao Hu, Xin-Xin Li, Xue Ma, Mu Cheng, Shun Tan, Jing Hou, Heng-Lin Cui

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引用次数: 0

Abstract

Four halophilic archaeal strains YCN1^T, YCN58^T, LT38^T, and LT62^T were isolated from Yuncheng Salt Lake (Shanxi, China) and Tarim Basin (Xinjiang, China), respectively. Phylogenetic and phylogenomic analyses showed that these four strains tightly cluster with related species of Halobacterium, Natronomonas, Halorientalis, and Halobellus, respectively. The AAI, ANI, and dDDH values between these four strains and their related species of respective genera were lower than the proposed threshold values for species delineation. Strains YCN1^T, YCN58^T, LT38^T, and LT62^T could be differentiated from the current species of Halobacterium, Natronomonas, Halorientalis, and Halobellus, respectively, based on the comparison of diverse phenotypic characteristics. The polar lipid profiles of these four strains were closely similar to those of respective relatives within the genera Halobacterium, Natronomonas, Halorientalis, and Halobellus, respectively. The phenotypic, phylogenetic, and genome-based analyses indicated that strains YCN1^T, YCN58^T, LT38^T, and LT62^T represent respective novel species within the genera Halobacterium, Natronomonas, Halorentalis, and Halobellus, for which the names Halobacterium yunchengense sp. nov., Natronomonas amylolytica sp. nov., Halorientalis halophila sp. nov., and Halobellus salinisoli sp. nov. are proposed, respectively.

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从盐湖和内陆盐碱土壤中分离出的嗜卤古细菌--运城卤杆菌新种（Halobacterium yunchengense sp.nov.）、淀粉单胞菌新种（Natronomonas amylolytica sp.nov.）、卤代卤虫新种（Halorientalis halophila sp.nov.）和盐渍卤虫新种（Halobellus salinisoli sp.nov.）。

研究人员分别从山西运城盐湖和新疆塔里木盆地分离到四株嗜卤古细菌YCN1T、YCN58T、LT38T和LT62T。系统发育和系统组学分析表明，这四株菌株分别与卤杆菌、Natronomonas、Halorientalis 和 Halobellus 的相关种紧密聚类。这四株菌株与各自属的相关种之间的 AAI、ANI 和 dDDH 值均低于建议的种划分阈值。根据不同表型特征的比较，菌株YCN1T、YCN58T、LT38T和LT62T可分别与卤杆菌属、Natronomonas属、Halorientalis属和Halobellus属的现有物种区分开来。这四株菌株的极性脂质图谱分别与卤杆菌属、Natronomonas 属、Halorientalis 属和 Halobellus 属中各自亲缘种的极性脂质图谱非常相似。表型、系统发育和基于基因组的分析表明，YCN1T、YCN58T、LT38T 和 LT62T 菌株分别代表了 Halobacterium、Natronomonas、Halorentalis 和 Halobellus 属中的新菌种，并分别被命名为 Halobacterium yunchengense sp.nov.、Natronomonas amylolytica sp.nov.、Halorientalis halophila sp.nov.和 Halobellus salinisoli sp.nov.。

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来源期刊

Extremophiles 生物-生化与分子生物学

CiteScore

6.80

自引率

6.90%

发文量

审稿时长

2 months

期刊介绍： Extremophiles features original research articles, reviews, and method papers on the biology, molecular biology, structure, function, and applications of microbial life at high or low temperature, pressure, acidity, alkalinity, salinity, or desiccation; or in the presence of organic solvents, heavy metals, normally toxic substances, or radiation.