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Bacterial community structure and novel species of magnetotactic bacteria in sediments from a seamount in the Mariana volcanic arc
Liu, Jia1,2,3; Zhang, Wenyan1,2,5; Li, Xuegong4,5; Li, Xuegang1,2; Chen, Xumiao6; Li, Jin-Hua5,7; Teng, Zhaojie1,2,3; Xu, Cong1,2,3; Santini, Claire-Lise5,8; Zhao, Li1,2; Zhao, Yuan1,2; Zhang, Heng7; Zhang, Wei-Jia4,5; Xu, Kuidong6; Li, Chaolun1,2; Pan, Yongxin5,7; Xiao, Tian1,2,5; Pan, Hongmiao1,2,5; Wu, Long-Fei5,8
2017-12-21
发表期刊SCIENTIFIC REPORTS
卷号7
文章类型Article
摘要Seamounts are undersea mountains rising abruptly from the sea floor and interacting dynamically with underwater currents. They represent unique biological habitats with various microbial community structures. Certain seamount bacteria form conspicuous extracellular iron oxide structures, including encrusted stalks, flattened bifurcating tubes, and filamentous sheaths. To extend our knowledge of seamount ecosystems, we performed an integrated study on population structure and the occurrence of magnetotactic bacteria (MTB) that synthesize intracellular iron oxide nanocrystals in sediments of a seamount in the Mariana volcanic arc. We found Proteobacteria dominant at 13 of 14 stations, but ranked second in abundance to members of the phylum Firmicutes at the deep-water station located on a steep slope facing the Mariana-Yap Trench. Live MTB dwell in biogenic sediments from all 14 stations ranging in depth from 238 to 2,023 m. Some magnetotactic cocci possess the most complex flagellar apparatus yet reported; 19 flagella are arranged in a 3:4: 5:4:3 array within a flagellar bundle. Phylogenetic analysis of 16S rRNA gene sequences identified 16 novel species of MTB specific to this seamount. Together the results obtained indicate that geographic properties of the seamount stations are important in shaping the bacterial community structure and the MTB composition.
DOI10.1038/s41598-017-17445-4
收录类别SCI
语种英语
WOS记录号WOS:000418562100004
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/154322
专题海洋生态与环境科学重点实验室
海洋生物分类与系统演化实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100864, Peoples R China
4.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Lab Deep Sea Microbial Cell Biol, Sanya 572000, Peoples R China
5.CNRS, CAS, Int Associated Lab Evolut & Dev Magnetotact Multi, Qingdao 266071, Peoples R China
6.Chinese Acad Sci, Inst Oceanol, Dept Marine Organism Taxon & Phylogeny, Qingdao 266071, Peoples R China
7.Chinese Acad Sci, Inst Geol & Geophys, Paleomagnetism & Geochronol Lab, Key Lab Earths Deep Interior, Beijing 100029, Peoples R China
8.Aix Marseille Univ, CNRS, LCB, Marseille, France
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Liu, Jia,Zhang, Wenyan,Li, Xuegong,et al. Bacterial community structure and novel species of magnetotactic bacteria in sediments from a seamount in the Mariana volcanic arc[J]. SCIENTIFIC REPORTS,2017,7.
APA Liu, Jia.,Zhang, Wenyan.,Li, Xuegong.,Li, Xuegang.,Chen, Xumiao.,...&Wu, Long-Fei.(2017).Bacterial community structure and novel species of magnetotactic bacteria in sediments from a seamount in the Mariana volcanic arc.SCIENTIFIC REPORTS,7.
MLA Liu, Jia,et al."Bacterial community structure and novel species of magnetotactic bacteria in sediments from a seamount in the Mariana volcanic arc".SCIENTIFIC REPORTS 7(2017).
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