Linking Microbial Community Structure to S, N and Fe Biogeochemical Cycling in the Hot Springs at the Tengchong Geothermal Fields, Southwest China
Li, Jiwei; Peng, Xiaotong; Zhang, Lixue; Jiang, Lei; Chen, Shun
2016
发表期刊GEOMICROBIOLOGY JOURNAL
卷号33期号:2页码:135-150
摘要Sediment and water samples collected from one acidic and three alkaline high temperature hot springs at the Tengchong terrestrial geothermal field, Southwest China, were examined using mineralogical, geochemical, and molecular biological techniques. The mineralogical and geochemical analyses suggested that these hot springs contained relatively high concentrations of S, Fe and N chemical species. Specifically, the acidic water was rich in Fe2+, SO42- and NH4C, while the alkaline waters were high in NO3-, H2S and S2O3-. Analyses of 16S rRNA gene sequences showed their bacterial communities were dominated by phyla Aquificae, Cyanobacteria, Deinococci-Thermus, Firmicutes, Proteobacteria, and Thermodesulfobacteria, while the archaeal clone libraries were dominated by orders Desulfurococcales, Sulfolobales, and Thermoproteales. Potential S-, N- and Fe-metabolizing prokaryotes were present at a relatively high proportion, but with large differences in the diversity and metabolic functions of each sample. These findings provide implications for uncovering microbial functions in elemental biogeochemical cycles within the Tengchong geothermal environments: i). the distinct differences in abundance and diversity of microbial communities in geothermal sediments were related to different in situ physicochemical conditions; ii). the S-, N- and Fe-related prokaryotes would take advantage of the strong chemical disequilibria in the hot springs; and iii). in return, their metabolic activities could promote the transformation of the S, Fe and N chemical species, thereby forming the basis of biogeochemical cycles in the terrestrial geothermal environments.
文章类型Article
关键词Community Structure Metabolic Activities Mineralogical And Geochemical Analyses Terrestrial Geothermal Field s Fe And n Biogeochemical Cycles
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
DOI10.1080/01490451.2015.1043165
收录类别SCI
语种英语
关键词[WOS]YELLOWSTONE-NATIONAL-PARK ; SP-NOV. ; YUNNAN PROVINCE ; HYDROTHERMAL SYSTEM ; OXIDIZING BACTERIUM ; HIGH-TEMPERATURE ; MINE DRAINAGE ; GEN. NOV. ; ARCHAEAL ; DIVERSITY
WOS类目Environmental Sciences ; Geosciences, Multidisciplinary
WOS记录号WOS:000374786000006
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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
条目标识符http://ir.idsse.ac.cn/handle/183446/1570
专题深海科学研究部_深海地质与地球化学研究室
作者单位Chinese Acad Sci, Sanya Inst Deep Sea Sci & Engn, Sanya, Peoples R China
第一作者单位中国科学院深海科学与工程研究所
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GB/T 7714
Li, Jiwei,Peng, Xiaotong,Zhang, Lixue,et al. Linking Microbial Community Structure to S, N and Fe Biogeochemical Cycling in the Hot Springs at the Tengchong Geothermal Fields, Southwest China[J]. GEOMICROBIOLOGY JOURNAL,2016,33(2):135-150.
APA Li, Jiwei,Peng, Xiaotong,Zhang, Lixue,Jiang, Lei,&Chen, Shun.(2016).Linking Microbial Community Structure to S, N and Fe Biogeochemical Cycling in the Hot Springs at the Tengchong Geothermal Fields, Southwest China.GEOMICROBIOLOGY JOURNAL,33(2),135-150.
MLA Li, Jiwei,et al."Linking Microbial Community Structure to S, N and Fe Biogeochemical Cycling in the Hot Springs at the Tengchong Geothermal Fields, Southwest China".GEOMICROBIOLOGY JOURNAL 33.2(2016):135-150.
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