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Microbial diversity in the deep-sea sediments of Iheya North and Iheya Ridge, Okinawa Trough
Zhang, Jian1; Sun, Qing-lei1; Zeng, Zhi-gang2; Chen, Shuai2; Sun, Li1,3
2015
发表期刊MICROBIOLOGICAL RESEARCH
卷号177期号:2015页码:43-52
文章类型Article
摘要In this study, we analyzed the bacterial and archaeal diversities of the deep-sea sediments in Iheya North and Iheya Ridge, Okinawa Trough, using the high-throughput sequencing technology of Illumina MiSeq 2500 platform. Four samples (IN1, IN2, IR1 and IR2) were used in this study, of which IN1 and IN2 were located at regions close to and distant, respectively, from the active hydrothermal vents in Iheya North, while IR1 and IR2 were located at regions close to and distant, respectively, from the active hydrothermal vents in Iheya Ridge. The four samples were rich in different metal elements. Sequence analysis based on the V3-V4 regions of 16S rDNA gene obtained 170,363 taxon tags, including 122,920 bacterial tags and 47,433 archaeal tags, which cover 31 phyla, 50 classes, 59 orders, 87 families, and 138 genera. Overall, the microbial communities in all samples were dominated by bacteria, in which Proteobacteria was the largest phylum, followed by Chloroflexi, Firmicutes, Acidobacteria, Actinobacteria, Gemmatimonadetes, and Nitrospirae, which together accounted for 64.6% of the total taxon tags. In contrast to the high bacterial diversities, the archaeal diversity was low and dominated by Thaumarchaeota, which accounted for 22.9% of the total taxon tags. Comparative analysis showed that (i) IN2 and IR2 exhibited more microbial richness than IN1 and IR1,(ii)IR1 and IR2 exhibited higher microbial diversities than IN! and IN2, (iii) samples from Iheya Ridge and Iheya North fell into two groups based on principle component analysis. Furthermore, microbes potentially involved in sulfur, nitrogen, and metal metabolism and cycling were detected in all samples. These results provide for the first time a comparative picture of the microbial diversities in the sediments of Iheya North and Iheya Ridge and indicate that geological features and distance from active hydrothermal vents likely play important roles in the shaping of microbial community structure. (C) 2015 Elsevier GmbH. All rights reserved.
关键词Deep Sea Sediment Microbial Community Illumina Sequencing Ecological Function 16s Rdna
DOI10.1016/j.micres.2015.05.006
收录类别SCI
语种英语
WOS记录号WOS:000359963900007
引用统计
被引频次:19[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/337002/50100
专题海洋地质与环境重点实验室
实验海洋生物学重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
3.Zhejiang Univ, Collaborat Innovat Ctr Deep Sea Biol, Hangzhou 310058, Zhejiang, Peoples R China
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Zhang, Jian,Sun, Qing-lei,Zeng, Zhi-gang,et al. Microbial diversity in the deep-sea sediments of Iheya North and Iheya Ridge, Okinawa Trough[J]. MICROBIOLOGICAL RESEARCH,2015,177(2015):43-52.
APA Zhang, Jian,Sun, Qing-lei,Zeng, Zhi-gang,Chen, Shuai,&Sun, Li.(2015).Microbial diversity in the deep-sea sediments of Iheya North and Iheya Ridge, Okinawa Trough.MICROBIOLOGICAL RESEARCH,177(2015),43-52.
MLA Zhang, Jian,et al."Microbial diversity in the deep-sea sediments of Iheya North and Iheya Ridge, Okinawa Trough".MICROBIOLOGICAL RESEARCH 177.2015(2015):43-52.
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