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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
ISSN	0924-7963
卷号	180页码:102-111
通讯作者	Sun, Li(Isun@qdio.ac.cn)
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.
关键词	Metagenomics Deep-sea sediment Microbial community Okinawa Trough Hydrothermal vent
DOI	10.1016/j.jmarsys.2016.10.006
收录类别	SCI
语种	英语
资助项目	Strategic Priority Research Program of the Chinese Academy of Sciences[XDA11030401] ; Taishan Scholar Program of Shandong Province ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA11030401] ; Taishan Scholar Program of Shandong Province
WOS研究方向	Geology ; Marine & Freshwater Biology ; Oceanography
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：9[WOS]   [WOS记录]     [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/158432
专题	实验海洋生物学重点实验室
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
第一作者单位	中国科学院海洋研究所
通讯作者单位	中国科学院海洋研究所
推荐引用方式 GB/T 7714	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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