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Contrasting environmental factors drive bacterial and eukaryotic community successions in freshly deglaciated soils
Khan, A (Khan, Ajmal)1,2; Kong, WD (Kong, Weidong)1,2; Muhammad, S (Muhammad, Said)1; Wang, F (Wang, Fei)1,2; Zhang, GS (Zhang, Guoshuai)3; Kang, SC (Kang, Shichang)4
Source PublicationFEMS MICROBIOLOGY LETTERS
2019
Volume366Issue:19Pages:fnz229
DOI10.1093/femsle/fnz229
Abstract

Glacier retreats expose deglaciated soils to microbial colonization and succession; however, the differences in drivers of bacterial and eukaryotic succession remain largely elusive. We explored soil bacterial and eukaryotic colonization and yearly community succession along a deglaciation chronosequence (10 years) on the Tibetan Plateau using qPCR, terminal restriction fragment length polymorphism (T-RFLP) and sequencing of clone libraries. The results exhibited that bacteria and eukaryotes rapidly colonized the soils in the first year of deglaciation, thereafter slowly increasing from 107 up to 1010 and 10(11) gene copies g(-1) soil, respectively. Bacterial and eukaryotic community changes were observed to group into distinct stages, including early (0-2 year old), transition (3-5 year old) and late stages (6-10 year old). Bacterial community succession was dominantly driven by soil factors (47.7%), among which soil moisture played a key role by explaining 26.9% of the variation. In contrast, eukaryotic community succession was dominantly driven by deglaciation age (22.2%). The dominant bacterial lineage was Cyanobacteria, which rapidly decreased from the early to the transition stage. Eukaryotes were dominated by glacier-originated Cercozoa in early stage soils, while green algae Chlorophyta substantially increased in late stage soils. Our findings revealed contrasting environmental factors driving bacterial and eukaryotic community successions.

Subject AreaMicrobiology
WOS IDWOS:000504087600002
Language英语
Indexed BySCI
KeywordZhadang Glacier Microbial Communities Co2 Fixation Diversity Fungal Desert Ice Gradients Forefield Abundance
WOS Research AreaMicrobiology
WOS SubjectMicrobiology
Cooperation Status国内
ISSN0378-1097
Department高寒生态重点实验室
URL查看原文
PublisherOXFORD UNIV PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/9131
Collection图书馆
Corresponding AuthorKong, WD (Kong, Weidong)
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol, 16 Lincui Rd, Beijing 100101, Peoples R China;
2.Univ Chinese Acad Sci, Coll Resources & Environmnet, 19 A Yuquan Rd, Beijing 100049, Peoples R China;
3.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, 16 Lincui Rd, Beijing 100101, Peoples R China;
4.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Cryospher Sci, Donggang West Rd 320, Lanzhou 730000, Gansu, Peoples R China.
Recommended Citation
GB/T 7714
Khan, A ,Kong, WD ,Muhammad, S ,et al. Contrasting environmental factors drive bacterial and eukaryotic community successions in freshly deglaciated soils[J]. FEMS MICROBIOLOGY LETTERS,2019,366(19):fnz229.
APA Khan, A ,Kong, WD ,Muhammad, S ,Wang, F ,Zhang, GS ,&Kang, SC .(2019).Contrasting environmental factors drive bacterial and eukaryotic community successions in freshly deglaciated soils.FEMS MICROBIOLOGY LETTERS,366(19),fnz229.
MLA Khan, A ,et al."Contrasting environmental factors drive bacterial and eukaryotic community successions in freshly deglaciated soils".FEMS MICROBIOLOGY LETTERS 366.19(2019):fnz229.
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