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First evidence for a bipolar distribution of dominant freshwater lake bacterioplankton
Responsible organisation
2007 (English)In: Antarctic Science, ISSN 0954-1020, E-ISSN 1365-2079, Vol. 19, no 2, 245-252 p.Article in journal (Refereed) Published
Abstract [en]

As a result of the recent application of DNA based technology to the investigation of maritime Antarctic freshwater lakes, patterns have begun to emerge in the bacterioplankton communities that dominate these systems. In this study, the bacterioplankton communities of five Antarctic and five Arctic freshwater lakes were assessed and compared with existing data in the literature, to determine whether emerging patterns in Antarctic lakes also applied to Arctic systems. Such a bipolar comparison is particularly timely., given the current interest in biogeography, the global distribution of microorganisms and the controversy over the global ubiquity hypothesis. In addition, it has recently been discovered that commonly encountered bacterial sequences, often originating from uncultivated bacteria obtained on different continents, form coherent phylogenetic freshwater clusters. In this study we encountered both identical sequences and sequences with a high degree of similarity among the bacterioplankton in lake water from both poles. In addition, Arctic freshwater lakes appeared to be dominated by some of the same groups of bacterioplankton thought to be dominant in Antarctic lakes, the vast majority of which represented uncultivated groups.

Place, publisher, year, edition, pages
British Antarctic Survey, NERC, Cambridge CB3 OET, England. Open Univ, Planetary & Space Sci Res Inst, Milton Keynes MK7 6AA, Bucks, England. Uppsala Univ, Evolut Biol Ctr, Dept Ecol & Evolut, SE-75236 Uppsala, Sweden., 2007. Vol. 19, no 2, 245-252 p.
Keyword [en]
16S rRNA gene, bacteria, biogeography, clone library, cosmopolitan, DGGE, freshwater cluster
Research subject
SWEDARCTIC 1999, Tundra nordväst 1999
Identifiers
URN: urn:nbn:se:polar:diva-2200DOI: 10.1017/S0954102007000326ISI: 000247196900013OAI: oai:DiVA.org:polar-2200DiVA: diva2:855866
Conference
9th Scar International Biology Symposium, JUL 25-29, 2005, Curitiba, BRAZIL
Available from: 2015-09-22 Created: 2015-09-22 Last updated: 2015-09-22

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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  • asciidoc
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