Natronosalvus hydrolyticus sp.

IF 3.3 2区 生物学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
Dimitry Y. Sorokin , Alexander G. Elcheninov , Nicole J. Bale , Jaap Sininghe Damsté , Ilya V. Kublanov
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引用次数: 0

摘要

在有氧条件下使用不溶于水的β-1,3-葡聚糖(curldlan)作为富集底物,结果从碱性苏打湖中选育出了单一的纳氏古菌--菌株AArc-curdl1。该生物是一种必须需氧的糖酵解菌,具有利用β-1-3葡聚糖的潜力(在古细菌中),但这种潜力尚未被充分发掘,它是纯培养物中具有这种能力的卤代古细菌的第二个实例。该分离菌株的主要表型特性是能够与不溶性的β-1,3-backboned葡聚糖(即凝乳蛋白和茯苓蛋白)一起生长。此外,该菌株还能利用淀粉家族的 α-葡聚糖、β-果糖菊粉和有限的糖类。主要的醚结合膜极性磷脂包括 PGP-Me 和 PG。没有糖脂和硫脂。主要的呼吸脑醌是 MK-8:8。根据系统发生组分析,AArc-curdl1 代表了最近描述的 Natrialbaceae 科 Natronosalvus 属中的一个独立物种。与之关系最密切的物种是Natronosalvus amylolyticus(ANI、AAI和DDH值分别为90.2%、91.6%和44%)。根据其独特的生理特性和系统发生学距离,AArc-curdl1T 菌株被归类为新物种 Natronosalvus hydrolyticus sp.
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Natronosalvus hydrolyticus sp. nov., a beta-1,3-glucan utilizing natronoarchaeon from hypersaline soda lakes

Use of curldlan, an insoluble β-1,3-glucan, as an enrichment substrate under aerobic conditions resulted in the selection from hypersaline soda lakes of a single natronarchaeon, strain AArc-curdl1. This organism is an obligately aerobic saccharolytic, possessing a poorly explored (in Archaea) potential to utilize beta-1–3 glucans, being only a second example of a haloarchaeon with this ability known in pure culture. The main phenotypic property of the isolate is the ability to grow with insoluble β-1,3-backboned glucans, i.e. curdlan and pachyman. Furthermore, the strain utilized starch family α-glucans, beta-fructan inulin and a limited spectrum of sugars. The major ether-bound membrane polar phospholipids included PGP-Me and PG. The glyco- and sulfolipids were absent. The major respiratory menaquinone is MK-8:8. According to phylogenomic analysis, AArc-curdl1 represents a separate species in the recently described genus Natronosalvus within the family Natrialbaceae. The closest related species is Natronosalvus amylolyticus (ANI, AAI and DDH values of 90.2, 91.6 and 44 %, respectively). On the basis of its unique physiological properties and phylogenomic distance, strain AArc-curdl1T is classified as a novel species Natronosalvus hydrolyticus sp. nov. (=JCM 34865 = UQM 41566).

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来源期刊
Systematic and applied microbiology
Systematic and applied microbiology 生物-生物工程与应用微生物
CiteScore
7.50
自引率
5.90%
发文量
57
审稿时长
22 days
期刊介绍: Systematic and Applied Microbiology deals with various aspects of microbial diversity and systematics of prokaryotes. It focuses on Bacteria and Archaea; eukaryotic microorganisms will only be considered in rare cases. The journal perceives a broad understanding of microbial diversity and encourages the submission of manuscripts from the following branches of microbiology:
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