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Microbial communities and lipid records of the Linxia Basin, NE Tibetan Plateau: Implications for enhanced aridity in the Late Miocene
He, Wei1,5; Wang, Gen1; Wang, Yongli2,3; Wei, Zhifu1; Huang, Zhiyong4; Zhang, Ting1,5; Ma, Xueyun1,5; Ma, He2,3,5; Yu, Xiaoli1,5
2020-05-15
Source PublicationJOURNAL OF ASIAN EARTH SCIENCES
ISSN1367-9120
Volume193Pages:11
AbstractThe Linxia Basin on the north-eastern Tibetan Plateau in northwest China bears continuous and thick lacustrinefluvial sediments with environmental significance to central Asian aridification. However, limited efforts have been made on investigating the microbial community evolution, even though lipid biomarkers have been successfully employed to reconstruct paleoenvironmental conditions in this area. This study used the ancient DNA and n-alkanes preserved in the lacustrine-fluvial sediments from the Linxia Basin, and employed high throughput sequencing and geochemical analyses to understand the climatic conditions spanning the past 29 million years. The characteristics of n-alkanes indicate that the organic matter was derived from mixed sources (bacteria, algae, and higher plants), and a series of n-alkane proxies (ACL, n-C-21(-)/n-C-22(+), Paq, and Pwax) established that the climate shifted to arid conditions at approximately 8 Ma. It is noteworthy that the relative abundance trends of two classes of microbes (Proteobacteria and Firmicutes) were negatively correlated. Furthermore, the increasing Firmicutes and the relatively decreasing Proteobacteria at approximately 8 Ma also corroborated this arid event. In addition, during this period, there was an extremely low abundance of archaea, which might correspond to severe climatic conditions around 8 Ma. Therefore, this study suggests that the microbial communities could serve as a potential tool for the reconstruction of paleoenvironments.
Keywordn-Alkanes Ancient DNA Microbial community Aridification NE Tibetan Plateau
DOI10.1016/j.jseaes.2020.104290
Funding OrganizationState Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu
WOS KeywordDRIVEN CLIMATE-CHANGE ; CENTRAL-ASIA ; 2 EPISODES ; MA ; LAKE ; ALKANES ; UPLIFT ; ARIDIFICATION ; BIOMARKERS ; SEQUENCE
Language英语
Funding ProjectState Key Program of National Natural Science of China[41831176] ; National Key R&D Program of China[2017YFA0604803] ; National Natural Science Foundation of China[41972030] ; National Natural Science Foundation of China[41902028] ; Chinese Academy of Sciences Key Project[XDB26020302] ; CAS "Light of West China" Program ; Key Laboratory Project of Gansu[1309RTSA041]
Funding OrganizationState Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; State Key Program of National Natural Science of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; Chinese Academy of Sciences Key Project ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; CAS "Light of West China" Program ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu ; Key Laboratory Project of Gansu
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000528010700003
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/96206
Collection兰州油气中心
新生代地质与环境院重点实验室
Corresponding AuthorWang, Yongli; Wei, Zhifu
Affiliation1.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Key Lab Petr Resources, Lanzhou 730000, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing 100029, Peoples R China
3.CAS Ctr Excellence Life & Paleoenvironm, Beijing 100029, Peoples R China
4.Chinese Acad Sci, Tianjin Inst Ind Biotechnol, Tianjin Key Lab Ind Biol Syst & Bioproc Engn, Tianjin 300308, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Corresponding Author AffilicationKey Laboratory of Cenozoic Geology and Environment, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
He, Wei,Wang, Gen,Wang, Yongli,et al. Microbial communities and lipid records of the Linxia Basin, NE Tibetan Plateau: Implications for enhanced aridity in the Late Miocene[J]. JOURNAL OF ASIAN EARTH SCIENCES,2020,193:11.
APA He, Wei.,Wang, Gen.,Wang, Yongli.,Wei, Zhifu.,Huang, Zhiyong.,...&Yu, Xiaoli.(2020).Microbial communities and lipid records of the Linxia Basin, NE Tibetan Plateau: Implications for enhanced aridity in the Late Miocene.JOURNAL OF ASIAN EARTH SCIENCES,193,11.
MLA He, Wei,et al."Microbial communities and lipid records of the Linxia Basin, NE Tibetan Plateau: Implications for enhanced aridity in the Late Miocene".JOURNAL OF ASIAN EARTH SCIENCES 193(2020):11.
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