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

被引：223

作者：

Weijers, Johan W. H. ^{[1
,2
,3
]}

Panoto, Elda ^{[2
,3
]}

van Bleijswijk, Judith ^{[2
,3
]}

Schouten, Stefan ^{[2
,3
]}

Rijpstra, W. Irene C. ^{[2
,3
]}

Balk, Melike ^{[4
]}

Stams, Alfons J. M. ^{[4
]}

Damste, Jaap S. Sinninghe ^{[2
,3
]}

机构：

[1] Univ Utrecht, Dept Earth Sci, NL-3584 CD Utrecht, Netherlands

[2] Royal Netherlands Inst Sea Res, Dept Marine Organ Biogeochem, NL-1790 AB Den Burg, Netherlands

[3] Royal Netherlands Inst Sea Res, Dept Biol Oceanog, NL-1790 AB Den Burg, Netherlands

[4] Wageningen Univ, Microbiol Lab, NL-6703 HB Wageningen, Netherlands

来源：

GEOMICROBIOLOGY JOURNAL | 2009年 / 26卷 / 06期

关键词：

acidobacteria; archaea; lipids; methanogens; peat; tetraether membrane; 16S RIBOSOMAL-RNA; GRADIENT GEL-ELECTROPHORESIS; SOUTHWESTERN UNITED-STATES; SP-NOV; ACID-TOLERANT; PHYLOGENETIC ANALYSIS; METHANOGENIC ARCHAEA; MICROBIAL DIVERSITY; COMMUNITY STRUCTURE; PEAT BOG;

D O I：

10.1080/01490450902937293

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A soil profile from the Saxnas 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.

引用

页码：402 / 414

页数：13

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