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首页> 外文期刊>Microorganisms >Geographical Isolation, Buried Depth, and Physicochemical Traits Drive the Variation of Species Diversity and Prokaryotic Community in Three Typical Hypersaline Environments
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Geographical Isolation, Buried Depth, and Physicochemical Traits Drive the Variation of Species Diversity and Prokaryotic Community in Three Typical Hypersaline Environments

机译：地理隔离，埋藏深度和物理化学性状在三种典型的静脉环境中驱动物种多样性和原核群落的变化

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The prokaryotic community composition, species diversity and the distribution patterns at various taxonomic levels in a salt lake (Chaka salt lake), solar salterns (Taipei saltworks and Dongfang saltworks), and salt mines (Yuanyongjing salt mine, Xiangyan salt mine, and Dinyuan salt mine) were investigated using clone library or Illumina MiSeq sequencing. The clone library approach revealed that the salt lake harbors low species diversity (H’ = 0.98) as compared to the solar saltern (H’ = 4.36) and salt mine (H’ = 3.57). The dominant group in the salt lake is a species from the genus Haloparvum which constitutes about 85% of the total sequences analyzed. The species diversities in salt salterns and salt mines are richer than in the salt lake, and the dominant group is less significant in terms of total percentage. High-throughput sequencing showed that geographical isolation greatly impacted on the microbial community (phyla level) and species diversity (operational taxonomic units (OTUs) level) of salt mines. Species of the genus Natronomonas are found in all three types of environments investigated. In addition, the microbial community and species diversity of different stratums of the salt mine are very similar. Furthermore, species of the genus Halorubrum flourish in the newest stratum of salt mine and have become the dominant group. This study provides some new knowledge on the species diversity and prokaryotic community composition of three typical hypersaline environments.
机译：原核群落组成，物种多样性和盐湖（Chaka Salt Lake），太阳能盐水（台北盐水和东方盐盐）和盐矿（盐井盐矿，襄阳盐矿和大黄盐盐使用克隆库或Illumina miseq测序研究了矿山。克隆文库方法显示，与太阳能盐水（H'= 4.36）和盐矿（H'= 3.57）相比，盐湖港口低谷（H'= 0.98）。盐湖中的优势群是来自Haloparvum属的物种，其占分析的总序列的约85％。盐盐盐盐和盐矿的物种多样性比在盐湖中更丰富，并且在总百分比方面的显着群体不太重要。高通量测序表明，地理隔离对微生物群落（Phyla水平）和物种多样性（手术分类单位（OTUS）水平）的地理分离产生了极大的影响。在调查的所有三种环境中发现了NatronomonAlas的种类。此外，微生物群落和盐矿不同层的物种多样性非常相似。此外，霍洛鲁姆属的种类在最新的盐矿中蓬勃发展，已成为优势群体。本研究提供了一些关于三种典型的纯净环境的物种多样性和原核群落组成的一些新知识。

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