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Constraints on the Biological Source(s) of the Orphan Branched Tetraether Membrane Lipids

descriptionPublicationkeyboard_double_arrow_right Article 24 Aug 2009 Netherlands Publisher:Informa UK LimitedJournal:Geomicrobiology Journal, volume 26, pages 402-414 (issn: 0149-0451, eissn: 1521-0529,

Authors: Johan W.H. Weijers; Elda Panoto; Judith van Bleijswijk; Stefan Schouten; W. Irene C. Rijpstra; Melike Balk; Alfons J. M. Stams; +1 Authors

doi: 10.1080/01490450902937293

handle: 20.500.11755/8aaa7bc2-f847-483a-9df6-d8d830a38b86

Constraints on the Biological Source(s) of the Orphan Branched Tetraether Membrane Lipids

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Abstract

A soil profile from the Saxnäs Mosse peat bog, Sweden, has been analysed for glycerol dialkyl glycerol tetraether (GDGT) membrane lipids and 16S rRNA genes in order to constrain the source of the yet ‘orphan,’ but supposedly bacterial, branched GDGTs. Branched GDGT lipids dominate over archaeal membrane lipids. The Acidobacteria comprise the dominant bacterial group, accounting for the majority of total Bacteria, and are generally more abundant than methanogenic archaea. Analysed acidobacterial strains did not contain branched GDGT lipids. Thus, the source organism must likely be searched for in other acidobacterial phyla or in another abundant group within the remaining bacteria.

Country

Netherlands

Related Organizations

Wageningen University & Research
Netherlands
Royal Netherlands Academy of Arts and Sciences (KNAW)
Netherlands
Dutch Research Council
Netherlands
Utrecht University
Netherlands
Royal Netherlands Institute for Sea Research
Netherlands

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Keywords

acidobacterium-capsulatum, 16s ribosomal-rna, phylogenetic analysis, Geowetenschappen en aanverwante (milieu)wetenschappen, polymerase-chain-reaction, southwestern united-states, thermoanaerobacter-ethanolicus, gradient gel-electrophoresis, ombrotrophic peat bog, acid-tolerant, Aardwetenschappen/Geologie/Geofysica, nov sp-nov

1 Research products, page 1 of 1

Seasonal changes in glycerol dialkyl glycerol tetraethers in lakes
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