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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
Source PublicationGEOMICROBIOLOGY JOURNAL
Volume33Issue:2Pages:135-150
AbstractSediment 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.
SubtypeArticle
KeywordCommunity Structure Metabolic Activities Mineralogical And Geochemical Analyses Terrestrial Geothermal Field s Fe And n Biogeochemical Cycles
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
DOI10.1080/01490451.2015.1043165
Indexed BySCI
Language英语
WOS KeywordYELLOWSTONE-NATIONAL-PARK ; SP-NOV. ; YUNNAN PROVINCE ; HYDROTHERMAL SYSTEM ; OXIDIZING BACTERIUM ; HIGH-TEMPERATURE ; MINE DRAINAGE ; GEN. NOV. ; ARCHAEAL ; DIVERSITY
WOS SubjectEnvironmental Sciences ; Geosciences, Multidisciplinary
WOS IDWOS:000374786000006
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.idsse.ac.cn/handle/183446/1570
Collection深海科学研究部_深海地质与地球化学研究室
AffiliationChinese Acad Sci, Sanya Inst Deep Sea Sci & Engn, Sanya, Peoples R China
First Author AffilicationInstitute of Deep-sea Science and Engineering,CAS
Recommended Citation
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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