Metagenomic Insights Into the Microbial Community and Nutrient Cycling in the Western Subarctic Pacific Ocean
Li, Yingdong1; Jing, Hongmei2; Xia, Xiaomin1; Cheung, Shunyan1; Suzuki, Koji3; Liu, Hongbin1; Liu, Hongbin(Hong Kong Univ Sci & Technol, Div Life Sci, Kowloon, Hong Kong, Peoples R China)
2018-04-04
发表期刊FRONTIERS IN MICROBIOLOGY
卷号9
产权排序第1完成单位 ; 第2完成单位 ; 第3完成单位
摘要The composition and metabolic functions of prokaryotic communities in the western subarctic Pacific (WSP), where strong mixing of waters from the Sea of Okhotsk and the East Kamchatka Current result in transfer to the Oyashio Current, were investigated using a shotgun metagenome sequencing approach. Functional metabolic genes related to nutrient cycling of nitrogen, sulfur, carbohydrates, iron and amino acids were differently distributed between the surface and deep waters of the WSP. Genes related to nitrogen metabolism were mainly found in deep waters, where Thaumarchaeaota, Sphingomonadales, and Pseudomonadales were closely associated and performing important roles in ammonia oxidation, assimilatory nitrate reduction, and dissimilatory nitrate reduction processes, respectively. In addition, orders affiliated to Spingobacteria and Alphaproteobacteria were crucial for sulfate reduction and abundant at 3000 m, whereas orders affiliated to Gammaproteobacteria, which harbored the most sulfate reduction genes, were abundant at 1000 m. Additionally, when compared with the East Kamchatka Current, the prokaryotes in the Oyashio Current were likely to consume more energy for synthesizing cellular components. Also, genes encoding iron transport and siderophore biosynthesis proteins were in low abundance, indicating that the iron was not a limiting factor in the Oyashio current. In contrast, in the East Kamchatka Current, prokaryotes were more likely to directly utilize the amino acids and absorb iron from the environment. Overall, our data indicated that the transformation from the East Kamchatka Current to the Oyashio Current reshapes not only the composition of microbial community, but also the function of the metabolic processes. These results extended our knowledge of the microbial composition and potential metabolism in the WSP.
文章类型Article
关键词Microbial Community Niche Differentiation Nutrient Cycle Metagenome Metabolism Subarctic Pacific Ocean
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.3389/fmicb.2018.00623
URL查看原文
收录类别SCI
语种英语
关键词[WOS]AMMONIA-OXIDIZING ARCHAEA ; NORTH PACIFIC ; SUBTROPICAL GYRE ; SEQUENCING DATA ; SURFACE WATERS ; RIBOSOMAL-RNA ; BACTERIA ; DIVERSITY ; OXIDATION ; SEA
WOS类目Microbiology
WOS记录号WOS:000429136100001
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.idsse.ac.cn/handle/183446/5929
专题深海科学研究部_深海生物学研究室_海洋微生物分子生态学研究组
通讯作者Liu, Hongbin; Liu, Hongbin(Hong Kong Univ Sci & Technol, Div Life Sci, Kowloon, Hong Kong, Peoples R China)
作者单位1.Hong Kong Univ Sci & Technol, Div Life Sci, Kowloon, Hong Kong, Peoples R China
2.Chinese Acad Sci, Inst Deep Sea Sci & Engn, CAS Key Lab Expt Study Deep Sea Extreme Condit, Sanya, Peoples R China
3.Hokkaido Univ, Fac Environm Earth Sci, Sapporo, Hokkaido, Japan
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Li, Yingdong,Jing, Hongmei,Xia, Xiaomin,et al. Metagenomic Insights Into the Microbial Community and Nutrient Cycling in the Western Subarctic Pacific Ocean[J]. FRONTIERS IN MICROBIOLOGY,2018,9.
APA Li, Yingdong.,Jing, Hongmei.,Xia, Xiaomin.,Cheung, Shunyan.,Suzuki, Koji.,...&Liu, Hongbin.(2018).Metagenomic Insights Into the Microbial Community and Nutrient Cycling in the Western Subarctic Pacific Ocean.FRONTIERS IN MICROBIOLOGY,9.
MLA Li, Yingdong,et al."Metagenomic Insights Into the Microbial Community and Nutrient Cycling in the Western Subarctic Pacific Ocean".FRONTIERS IN MICROBIOLOGY 9(2018).
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