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Comparative metagenomic analysis of the microbial communities in the surroundings of Iheya north and Iheya ridge hydrothermal fields reveals insights into the survival strategy of microorganisms in deep-sea environments
Wang, Hai-liang1,2,3; Sun, Li1,2
2018-04-01
发表期刊JOURNAL OF MARINE SYSTEMS
ISSN0924-7963
卷号180页码:102-111
摘要In this study, metagenomic analysis was performed to investigate the taxonomic compositions and metabolic profiles of the microbial communities inhabiting the sediments in the surroundings of Iheya North and Iheya Ridge hydrothermal fields. The microbial communities in four different samples were found to be dominated by bacteria and, to a much lesser extent, archaea belonging to the phyla Proteobacteria, Actinobacteria, Planctomycetes, Firmicutes, Deinococcus-Thermus, and Nitrospirae, which play important roles in the cycling of carbon, nitrogen, and sulfur. All four microbial communities (i) contained chemoautotrophs and heterotrophs, the former probably fixed CO2 via various carbon fixation pathways, and the latter may degrade organic matters using nitrate and sulfate as electron acceptors, (ii) exhibited an abundance of DNA repair genes and bacterial sulfur oxidation mediated by reverse sulfate reduction, and (iii) harbored bacteria and archaea involved in anaerobic methane oxidation via intra-aerobic denitrification and reverse methanogenesis, which were found for the first time in hydrothermal areas. Furthermore, genes involved in DNA repair, reductive acetyl-CoA pathway, and ammonia metabolism were possibly affected by distance to the vent fields. These findings facilitate our understanding of the strategies of the microbial communities to adapt to the environments in deep sea areas associated with hydrothermal vents. (C) 2016 Elsevier B.V. All rights reserved.
文章类型Article
关键词Metagenomics Deep-sea Sediment Microbial Community Okinawa Trough Hydrothermal Vent
WOS标题词Science & Technology ; Physical Sciences ; Life Sciences & Biomedicine
DOI10.1016/j.jmarsys.2016.10.006
关键词[WOS]ANAEROBIC AMMONIUM OXIDATION ; AUTOTROPHIC CARBON FIXATION ; OKINAWA TROUGH ; CO2 FIXATION ; OXIDIZING BACTERIA ; AROMATIC-COMPOUNDS ; NITRATE REDUCTION ; SULFATE REDUCTION ; CRYSTAL-STRUCTURE ; SP-NOV.
收录类别SCI
语种英语
WOS研究方向Geology ; Marine & Freshwater Biology ; Oceanography
项目资助者Strategic Priority Research Program of the Chinese Academy of Sciences(XDA11030401) ; Taishan Scholar Program of Shandong Province
WOS类目Geosciences, Multidisciplinary ; Marine & Freshwater Biology ; Oceanography
WOS记录号WOS:000429514700009
出版者ELSEVIER SCIENCE BV
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/10718
专题中国科学院青岛生物能源与过程研究所
通讯作者Sun, Li
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
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Wang, Hai-liang,Sun, Li. Comparative metagenomic analysis of the microbial communities in the surroundings of Iheya north and Iheya ridge hydrothermal fields reveals insights into the survival strategy of microorganisms in deep-sea environments[J]. JOURNAL OF MARINE SYSTEMS,2018,180:102-111.
APA Wang, Hai-liang,&Sun, Li.(2018).Comparative metagenomic analysis of the microbial communities in the surroundings of Iheya north and Iheya ridge hydrothermal fields reveals insights into the survival strategy of microorganisms in deep-sea environments.JOURNAL OF MARINE SYSTEMS,180,102-111.
MLA Wang, Hai-liang,et al."Comparative metagenomic analysis of the microbial communities in the surroundings of Iheya north and Iheya ridge hydrothermal fields reveals insights into the survival strategy of microorganisms in deep-sea environments".JOURNAL OF MARINE SYSTEMS 180(2018):102-111.
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