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Lacustrine Sediments Bacterial Community Structure Vertical Succession of the Linxia Basin, NE Tibetan Plateau: Significance for Paleoenvironment Reconstruction
Xu, Song1,2; Wang, Jingjing1,2; Zhang, Xiaoxia1,2; Yang, Rong1,2; Zhao, Wei1,2; Huang, Zhiyong1,2; Wang, Yongli3
2022-01-11
Source PublicationFRONTIERS IN EARTH SCIENCE
Volume9Pages:12
AbstractThe study on sediments in the marginal basins of the Tibetan Plateau is of great significance for global climate change. The geological information of the Linxia Basin has been intensely investigated; however, the profiles of the microbial communities in this basin remain largely unknown. Here, based on the 16S rRNA high-throughput sequencing method, the bacterial community structure vertical succession is studied with different thicknesses of sedimentary samples. The bacterial community with a total of 1,729,658 paired reads distributed within 1,042 phylogenetic amplicon sequence variants (ASVs) from twenty sediments, and three surrounding soil samples were sequenced. First, high-throughput sequencing results highlight the surrounding soil sample bacterial community structures were significantly different from those recovered from the sediment samples. In addition, as observed in the PCoA and PERMANOVA, there is a dramatic change shift event of the community structure at M311. Our data suggest that shifts in relative abundances of the abundant taxa (>1%) and the significant variations in the diversity of bacterial community implied community structure responses to changes in different sedimentary layers. Predicted community function changes demonstrate that the sediment bacterial community aerobic chemoheterotrophy has been significantly increased, and we believe that the possible influence of the lithofacies changes from the anaerobic system to the aerobic environment, possibly accompanied by the significant uplift of the plateau that has previously been associated with enhanced aridity in Central Asia at similar to 8 Ma. Taken together, these results illustrate the potential for the microbial community as a biological indicator in sediment ecosystems to reconstruct paleoenvironments.
KeywordNE Tibetan plateau biological indicator microbial diversity aridification paleoenvironments reconstructions
DOI10.3389/feart.2021.714352
WOS KeywordCLIMATE-CHANGE ; LATE MIOCENE ; TAXONOMIC DISTINCTNESS ; MICROBIAL COMMUNITIES ; RECORD ; DNA ; UPLIFT ; MA ; BIODIVERSITY ; QUATERNARY
Language英语
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000748021700001
PublisherFRONTIERS MEDIA SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/104016
Collection新生代地质与环境院重点实验室
Corresponding AuthorHuang, Zhiyong
Affiliation1.Chinese Acad Sci, Tianjin Inst Ind Biotechnol, Tianjin, Peoples R China
2.Nat Technol Innovat Ctr Synthet Biol, Tianjin, Peoples R China
3.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironment, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Xu, Song,Wang, Jingjing,Zhang, Xiaoxia,et al. Lacustrine Sediments Bacterial Community Structure Vertical Succession of the Linxia Basin, NE Tibetan Plateau: Significance for Paleoenvironment Reconstruction[J]. FRONTIERS IN EARTH SCIENCE,2022,9:12.
APA Xu, Song.,Wang, Jingjing.,Zhang, Xiaoxia.,Yang, Rong.,Zhao, Wei.,...&Wang, Yongli.(2022).Lacustrine Sediments Bacterial Community Structure Vertical Succession of the Linxia Basin, NE Tibetan Plateau: Significance for Paleoenvironment Reconstruction.FRONTIERS IN EARTH SCIENCE,9,12.
MLA Xu, Song,et al."Lacustrine Sediments Bacterial Community Structure Vertical Succession of the Linxia Basin, NE Tibetan Plateau: Significance for Paleoenvironment Reconstruction".FRONTIERS IN EARTH SCIENCE 9(2022):12.
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