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Diversity and succession of autotrophic microbial community in high-elevation soils along deglaciation chronosequence
Liu, JB (Liu, Jinbo)1; Kong, WD (Kong, Weidong)1; Zhang, GS (Zhang, Guoshuai)2; Khan, A (Khan, Ajmal)1; Guo, GX (Guo, Guangxia)1; Zhu, CM (Zhu, Chunmao)1; Wei, XJ (Wei, Xiaojie)1; Kang, SC (Kang, Shichang)3,4; Morgan-Kiss, RM (Morgan-Kiss, Rachael M.)5; Kong, WD
Source PublicationFEMS MICROBIOLOGY ECOLOGY
2016
Volume92Issue:10Pages:fiw160
DOI10.1093/femsec/fiw160
AbstractGlobal warming has resulted in substantial glacier retreats in high-elevation areas, exposing deglaciated soils to harsh environmental conditions. Autotrophic microbes are pioneering colonizers in the deglaciated soils and provide nutrients to the extreme ecosystem devoid of vegetation. However, autotrophic communities remain less studied in deglaciated soils. We explored the diversity and succession of the cbbL gene encoding the large subunit of form I RubisCO, a key CO2-fixing enzyme, using molecular methods in deglaciated soils along a 10-year deglaciation chronosequence on the Tibetan Plateau. Our results demonstrated that the abundance of all types of form I cbbL (IA/B, IC and ID) rapidly increased in young soils (0-2.5 years old) and kept stable in old soils. Soil total organic carbon (TOC) and total nitrogen (TN) gradually increased along the chronosequence and both demonstrated positive correlations with the abundance of bacteria and autotrophs, indicating that soil TOC and TN originated from autotrophs. Form IA/B autotrophs, affiliated with cyanobacteria, exhibited a substantially higher abundance than IC and ID. Cyanobacterial diversity and evenness increased in young soils (< 6 years old) and then remained stable. Our findings suggest that cyabobacteria play an important role in accumulating TOC and TN in the deglaciated soils.Autotrophic microorganisms rapidly colonized young deglaciated soils and their abundance positively correlated with total organic carbon and total nitrogen, suggesting that soil TOC and TN originated from autotrophs.Autotrophic microorganisms rapidly colonized young deglaciated soils and their abundance positively correlated with total organic carbon and total nitrogen, suggesting that soil TOC and TN originated from autotrophs.
Subject Area普通生物学
WOS IDWOS:000386074400016
Language英语
Indexed BySCI
KeywordCovered Antarctic Lake Glacier Foreland Zhadang Glacier Bacterial Succession Rubisco Genotypes Tibetan Plateau Dry Valleys Dna-damage Form-ii Carbon
Cooperation Status国际
Department生态
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/7543
Collection图书馆
Corresponding AuthorKong, WD
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Bldg 3,Courtyard 16,Lincui Rd, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Bldg 3,Courtyard 16,Lincui Rd, Beijing 100101, Peoples R China
3.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Cryospher Sci, Lanzhou 730000, Peoples R China
4.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
5.Miami Univ, Dept Microbiol, Oxford, OH 45056 USA
Recommended Citation
GB/T 7714
Liu, JB ,Kong, WD ,Zhang, GS ,et al. Diversity and succession of autotrophic microbial community in high-elevation soils along deglaciation chronosequence[J]. FEMS MICROBIOLOGY ECOLOGY,2016,92(10):fiw160.
APA Liu, JB .,Kong, WD .,Zhang, GS .,Khan, A .,Guo, GX .,...&Kong, WD.(2016).Diversity and succession of autotrophic microbial community in high-elevation soils along deglaciation chronosequence.FEMS MICROBIOLOGY ECOLOGY,92(10),fiw160.
MLA Liu, JB ,et al."Diversity and succession of autotrophic microbial community in high-elevation soils along deglaciation chronosequence".FEMS MICROBIOLOGY ECOLOGY 92.10(2016):fiw160.
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