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Re-evaluation of the diversity and distribution of diazotrophs in the South China Sea by pyrosequencing the nifH gene
Xiao, Peng1; Jiang, Yongguang2; Liu, Yang1; Tan, Wenhua3; Li, Wenhua1; Li, Renhui1
2015
Source PublicationMARINE AND FRESHWATER RESEARCH
ISSN1323-1650
Volume66Issue:8Pages:681-691
AbstractPrevious studies on the diversity and composition of nifH genes in the South China Sea (SCS) were mainly based on quantitative PCR and DNA clone methods. The pyrosequencing results of partial nifH gene fragments were used to study the spatiotemporal heterogeneity in composition and diversity of diazotrophs in the SCS. Seawater samples were collected throughout the upper ocean (<200-m depth) in different sites, as follows: the Pearl River Estuary; Taiwan and Luzon Straits (which are affected by the Kuroshio Current); a Trichodesmium bloom site; and two open ocean sites. Sample collection was conducted in four surveys from 2007 to 2010. A large dataset containing 217599 nifH reads from 27 samples was obtained. Putative diazotrophs in the SCS have reasonably low diversities, and the -proteobacteria and Trichodesmium were the two dominant nifH phylogenetic groups. No significant difference was observed among different regions and years. However, a significant difference existed among the samples obtained from different water depths. The results provide a broad and general view of the diversity and composition of the putative diazotrophs in the SCS.
SubtypeArticle
KeywordBiodiversity Microorganism
DOI10.1071/MF14134
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
Indexed BySCI
Language英语
WOS Research AreaFisheries ; Marine & Freshwater Biology ; Oceanography
WOS SubjectFisheries ; Limnology ; Marine & Freshwater Biology ; Oceanography
WOS IDWOS:000358734400003
WOS KeywordNORTH PACIFIC-OCEAN ; NITROGEN-FIXATION ; N-2 FIXATION ; BALTIC SEA ; RARE BIOSPHERE ; MICROBIAL COMMUNITIES ; TRICHODESMIUM BLOOM ; ATLANTIC-OCEAN ; DEEP-SEA ; EXPRESSION
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Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/25965
Collection藻类生物学及应用研究中心_期刊论文
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China
2.Shenzhen Univ, Coll Life Sci, Shenzhen Key Lab Marine Bioresource & Ecoenvironm, Shenzhen 518060, Peoples R China
3.Max Planck Inst Chem Ecol, Dept Bioorgan Chem, D-07745 Jena, Germany
Recommended Citation
GB/T 7714
Xiao, Peng,Jiang, Yongguang,Liu, Yang,et al. Re-evaluation of the diversity and distribution of diazotrophs in the South China Sea by pyrosequencing the nifH gene[J]. MARINE AND FRESHWATER RESEARCH,2015,66(8):681-691.
APA Xiao, Peng,Jiang, Yongguang,Liu, Yang,Tan, Wenhua,Li, Wenhua,&Li, Renhui.(2015).Re-evaluation of the diversity and distribution of diazotrophs in the South China Sea by pyrosequencing the nifH gene.MARINE AND FRESHWATER RESEARCH,66(8),681-691.
MLA Xiao, Peng,et al."Re-evaluation of the diversity and distribution of diazotrophs in the South China Sea by pyrosequencing the nifH gene".MARINE AND FRESHWATER RESEARCH 66.8(2015):681-691.
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