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Pole-to-Pole Connections : Similarities between Arctic and Antarctic Microbiomes and Their Vulnerability to Environmental Change

Kleinteich, Julia (författare)
Univ Tubingen, Ctr Appl Geosci, Tubingen, Germany
Hildebrand, Falk (författare)
European Mol Biol Lab, Struct & Computat Biol, Heidelberg, Germany
Bahram, Mohammad (författare)
Uppsala universitet,Systematisk biologi,Univ Tartu, Inst Ecol & Earth Sci, Dept Bot, Tartu, Estonia
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Voigt, Anita Y. (författare)
European Mol Biol Lab, Struct & Computat Biol, Heidelberg, Germany;Jackson Lab Genom Med, Farmington, CT USA
Wood, Susanna A. (författare)
Cawthron Inst, Coastal & Freshwater, Nelson, New Zealand;Univ Waikato, Environm Res Inst, Hamilton, New Zealand
Jungblut, Anne D. (författare)
London Nat Hist Museum, London, England
Kupper, Frithjof C. (författare)
Scottish Assoc Marine Sci, Oban, Argyll, Scotland;Univ Aberdeen, Oceanlab, Aberdeen, Scotland
Quesada, Antonio (författare)
Autonomous Univ Madrid, Dept Biol, Madrid, Spain
Camacho, Antonio (författare)
Univ Valencia, Cavanilles Inst Biodivers & Evolutionary Biol, Valencia, Spain
Pearce, David A. (författare)
Univ Northumbria Newcastle, Fac Hlth & Life Sci, Dept Appl Sci, Newcastle Upon Tyne, Tyne & Wear, England;British Antarct Survey, Cambridge, England
Convey, Peter (författare)
British Antarct Survey, Cambridge, England
Vincent, Warwick F. (författare)
Univ Laval, Dept Biol, Quebec City, PQ, Canada;Univ Laval, Ctr Northern Studies, Quebec City, PQ, Canada
Zarfl, Christiane (författare)
Univ Tubingen, Ctr Appl Geosci, Tubingen, Germany
Bork, Peer (författare)
European Mol Biol Lab, Struct & Computat Biol, Heidelberg, Germany;Max Delbruck Ctr Mol Med, Berlin, Germany;Univ Wurzburg, Dept Bioinformat, Wurzburg, Germany
Dietrich, Daniel R. (författare)
Univ Konstanz, Human & Environm Toxicol, Constance, Germany
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 (creator_code:org_t)
2017-11-10
2017
Engelska.
Ingår i: Frontiers in Ecology and Evolution. - : FRONTIERS MEDIA SA. - 2296-701X. ; 5
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • The global biogeography of microorganisms remains poorly resolved, which limits the current understanding of microbial resilience toward environmental changes. Using high-throughput 16S rRNA gene amplicon sequencing, we characterized the microbial diversity of terrestrial and lacustrine biofilms from the Arctic, Antarctic and temperate regions. Our analyses suggest that bacterial community compositions at the poles are more similar to each other than they are to geographically closer temperate habitats, with 32% of all operational taxonomic units (OTUs) co-occurring in both polar regions. While specific microbial taxa were confined to distinct regions, representing potentially endemic populations, the percentage of cosmopolitan taxa was higher in Arctic (43%) than in Antarctic samples (36%). The overlap in polar microbial OTUs may be explained by natural or anthropogenically-mediated dispersal in combination with environmental filtering. Current and future changing environmental conditions may enhance microbial invasion, establishment of cosmopolitan genotypes and loss of endemic taxa.

Ämnesord

NATURVETENSKAP  -- Biologi -- Evolutionsbiologi (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences -- Evolutionary Biology (hsv//eng)
NATURVETENSKAP  -- Biologi -- Mikrobiologi (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences -- Microbiology (hsv//eng)

Nyckelord

biogeography
diversity
microbiology
polar regions
ecology
high-throughput sequencing
16S rRNA gene

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