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DOI10.1038/s41564-019-0370-4
Airborne microbial transport limitation to isolated Antarctic soil habitats
Archer, Stephen D. J.1,2; Lee, Kevin C.2; Caruso, Tancredi3; Maki, Teruya4; Lee, Charles K.5; Carys, S. Craig5; Cowan, Don A.6; Maestre, Fernando T.7; Pointing, Stephen B.1,8,9
发表日期2019
ISSN2058-5276
卷号4期号:6页码:925-932
英文摘要

Dispersal is a critical yet poorly understood factor underlying macroecological patterns in microbial communities(1). Airborne microbial transport is assumed to occupy a central role in determining dispersal outcomes(2,3), and extra-range dispersal has important implications for predicting ecosystem resilience and response to environmental changes. One of the most pertinent biomes in this regard is Antarctica, given its geographic isolation and vulnerability to climate change and human disturbances. Here, we report microbial diversity in near-ground and high-altitude air above the largest ice-free Antarctic habitat, as well as that of underlying soil microbial communities. We found that persistent local airborne inputs were unable to fully explain Antarctic soil community assembly. Comparison with airborne microbial diversity from high-altitude and non-polar sources suggests that strong selection occurs during long-range atmospheric transport. The influence of selection during airborne transit and at sink locations varied between microbial phyla. Overall, the communities from this isolated Antarctic ecosystem displayed limited connectivity to the non-polar microbial pool, and alternative sources of recruitment are necessary to fully explain extant soil diversity. Our findings provide critical insights into the role of airborne transport limitation in determining microbial biogeographic patterns.


WOS研究方向Microbiology
来源期刊NATURE MICROBIOLOGY
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/98071
作者单位1.Natl Univ Singapore, Yale NUS Coll, Singapore, Singapore;
2.Auckland Univ Technol, Inst Appl Ecol New Zealand, Auckland, New Zealand;
3.Queens Univ Belfast, Sch Biol Sci, Inst Global Food Secur, Belfast, Antrim, North Ireland;
4.Kanazawa Univ, Dept Chem Engn, Kanazawa, Ishikawa, Japan;
5.Univ Waikato, Int Ctr Terr Antarctic Res, Hamilton, New Zealand;
6.Univ Pretoria, Ctr Microbial Ecol & Genom, Pretoria, South Africa;
7.Univ Rey Juan Carlos, Escuela Super Ciencias Expt & Tecnol, Dept Biol & Geol, Fis & Quim Inorgan, Mostoles, Spain;
8.Natl Univ Singapore, Dept Biol Sci, Singapore, Singapore;
9.Kanazawa Univ, Inst Nat & Environm Technol, Kanazawa, Ishikawa, Japan
推荐引用方式
GB/T 7714
Archer, Stephen D. J.,Lee, Kevin C.,Caruso, Tancredi,et al. Airborne microbial transport limitation to isolated Antarctic soil habitats[J],2019,4(6):925-932.
APA Archer, Stephen D. J..,Lee, Kevin C..,Caruso, Tancredi.,Maki, Teruya.,Lee, Charles K..,...&Pointing, Stephen B..(2019).Airborne microbial transport limitation to isolated Antarctic soil habitats.NATURE MICROBIOLOGY,4(6),925-932.
MLA Archer, Stephen D. J.,et al."Airborne microbial transport limitation to isolated Antarctic soil habitats".NATURE MICROBIOLOGY 4.6(2019):925-932.
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