Microbiota within the perennial ice cover of Lake Vida, Antarctica

Lake Vida, located in the McMurdo Dry Valleys, Antarctica, is an 'ice-sealed' lake with ~19 m of ice covering a highly saline water column (~245 ppt). The lower portions of the ice cover and the lake beneath have been isolated from the atmosphere and land for circa 2800 years. Analysis of...

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Veröffentlicht in:	FEMS microbiology ecology 2007-02, Vol.59 (2), p.274-288
Hauptverfasser:	Mosier, Annika C, Murray, Alison E, Fritsen, Christian H
Format:	Artikel
Sprache:	eng
Schlagworte:	Actinobacteria Actinobacteria - classification Actinobacteria - genetics Actinobacteria - isolation & purification Antarctic Regions Antarctica Bacteria Bacteriology Biological and medical sciences Biota Chlorophyta - classification Chlorophyta - genetics Chlorophyta - isolation & purification Colonization Ecology Electrophoresis Fresh Water - microbiology Freshwater Fundamental and applied biological sciences. Psychology Gammaproteobacteria - classification Gammaproteobacteria - genetics Gammaproteobacteria - isolation & purification Gel electrophoresis Gene sequencing Genes, rRNA Habitability Ice Ice cover Ice Cover - microbiology Lakes McMurdo Dry Valleys microbial assemblages Microbiology Microbiota Microorganisms Miscellaneous Molecular Sequence Data perennially ice covered lake phylogenetic diversity Phylogeny RNA, Ribosomal, 16S rRNA 16S Saline water Sequence Analysis, DNA Water circulation Water column
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Beschreibung
Zusammenfassung:	Lake Vida, located in the McMurdo Dry Valleys, Antarctica, is an 'ice-sealed' lake with ~19 m of ice covering a highly saline water column (~245 ppt). The lower portions of the ice cover and the lake beneath have been isolated from the atmosphere and land for circa 2800 years. Analysis of microbial assemblages within the perennial ice cover of the lake revealed a diverse array of bacteria and eukarya. Bacterial and eukaryal denaturing gradient gel electrophoresis phylotype profile similarities were low (
ISSN:	0168-6496 1574-6941
DOI:	10.1111/j.1574-6941.2006.00220.x