IB-CAS  > 系统与进化植物学国家重点实验室
Small-Scale Soil Microbial Community Heterogeneity Linked to Landform Historical Events on King George Island, Maritime Antarctica
Zhang, Yumin; Lu, Lu; Chang, Xulu; Jiang, Fan; Gao, Xiangdong1; Yao, Yifeng2; Li, Chengsen2; Cao, Shunan3; Zhou, Qiming4; Peng, Fang
AbstractAlthough research on microbial biogeography has made great progress in the past decade, distributions of terrestrial microbial communities in extreme environments such as Antarctica are not well understood. In addition, knowledge of whether and how historical contingencies affect microbial distributions at small spatial scales is lacking. Here, we analyzed soil-borne microbial (bacterial, archaeal, and fungal) communities in 12 quadrat plots around the Fildes Region of King George Island, maritime Antarctica, and the communities were divided into two groups according to the soil elemental compositions and environmental attributes of Holocene raised beach and Tertiary volcanic stratigraphy. Prokaryotic communities of the two groups were well separated; the prokaryotic data were primarily correlated with soil elemental compositions and were secondly correlated with environmental attributes (e.g., soil pH, total organic carbon, NO3-, and vegetation coverage; Pearson test, r = 0.59 vs. 0.52, both P < 0.01). The relatively high abundance of P, S, Cl, and Br in Group 1 (Holocene raised beach site) was likely due to landform uplift. Lithophile-elements (Si, Al, Ca, Sr, Ti, V, and Fe) correlated with prokaryotic communities in Group 2 may have originated from weathering of Tertiary volcanic rock. No significant correlations were found between the fungal community distribution and both the soil elemental composition and environmental attributes in this study; however, Monte Carlo tests revealed that elements Sr and Ti, soil pH, sampling altitude, and moss and lichen species numbers had significant impacts on fungal communities. The elements and nutrients accumulated during the formation of different landforms influenced the development of soils, plant growth, and microbial communities, and this resulted in small-scale spatially heterogeneous biological distributions. These findings provide new evidence that geological evolutionary processes in the Fildes Region were crucial to its microbial community development, and the results highlight that microbial distribution patterns are the legacies of historical events at this small spatial scale. Based on this study, the ice-free regions in maritime Antarctica represent suitable research sites for studying the influence of geomorphological features on microbial distributions, and we envision the possibility of a site-specific landform assignment through the analysis of the soil prokaryotic community structure.
Keywordsoil-borne microbial community small-scale spatial heterogeneity landform maritime Antarctica Miseq sequencing platform phospholipid fatty acid
Subject AreaMicrobiology
Indexed BySCI
WOS IDWOS:000452619400002
Publication PlaceLAUSANNE
Funding OrganizationNational Key R&D Program of China [2018YFC1406700] ; R&D Infrastructure and Facility Development Program of the Ministry of Science and Technology of the People's Republic of China [NIMR-2017-8] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31270538] ; Chinese Polar Scientific Strategy Research Fund [IC201706]
Corresponding Author Emailpf-cctcc@whu.edu.cn
OAgold, Green Published
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Wuhan Univ, Coll Life Sci, CCTCC, Wuhan, Hubei, Peoples R China
2.Wuhan Univ, Coll Life Sci, Wuhan, Hubei, Peoples R China
3.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing, Peoples R China
4.Polar Res Inst China, SOA Key Lab Polar Sci, Shanghai, Peoples R China
5.ChosenMed Technol Beijing Co Ltd, Econ & Technol Dev Area, Jinghai Ind Pk, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Yumin,Lu, Lu,Chang, Xulu,et al. Small-Scale Soil Microbial Community Heterogeneity Linked to Landform Historical Events on King George Island, Maritime Antarctica[J]. FRONTIERS IN MICROBIOLOGY,2018,9.
APA Zhang, Yumin.,Lu, Lu.,Chang, Xulu.,Jiang, Fan.,Gao, Xiangdong.,...&Peng, Fang.(2018).Small-Scale Soil Microbial Community Heterogeneity Linked to Landform Historical Events on King George Island, Maritime Antarctica.FRONTIERS IN MICROBIOLOGY,9.
MLA Zhang, Yumin,et al."Small-Scale Soil Microbial Community Heterogeneity Linked to Landform Historical Events on King George Island, Maritime Antarctica".FRONTIERS IN MICROBIOLOGY 9(2018).
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