Abstract
Newly designed primers for [Fe-Fe]-hydrogenases indicated that (i) fermenters, acetogens, and undefined species in a fen harbor hitherto unknown hydrogenases and (ii) Clostridium- and Thermosinus-related primary fermenters, as well as secondary fermenters related to sulfate or iron reducers might be responsible for hydrogen production in the fen. Comparative analysis of [Fe-Fe]-hydrogenase and 16S rRNA gene-based phylogenies indicated the presence of homologous multiple hydrogenases per organism and inconsistencies between 16S rRNA gene- and [Fe-Fe]-hydrogenase-based phylogenies, necessitating appropriate qualification of [Fe-Fe]-hydrogenase gene data for diversity analyses.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Bacterial Proteins / genetics*
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DNA, Bacterial / chemistry
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DNA, Bacterial / genetics
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DNA, Ribosomal / chemistry
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DNA, Ribosomal / genetics
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Genetic Variation*
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Hydrogenase / genetics*
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Iron-Sulfur Proteins / genetics*
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Metagenomics*
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Molecular Sequence Data
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RNA, Ribosomal, 16S / genetics
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Sequence Analysis, DNA
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Water Microbiology*
Substances
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Bacterial Proteins
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DNA, Bacterial
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DNA, Ribosomal
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Iron-Sulfur Proteins
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RNA, Ribosomal, 16S
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iron hydrogenase
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Hydrogenase
Associated data
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GENBANK/FN391895
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GENBANK/FN391896
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GENBANK/FN391897
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GENBANK/FN391898
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GENBANK/FN391899
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GENBANK/FN391900
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GENBANK/FN391901
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GENBANK/FN391902
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GENBANK/FN393031
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GENBANK/FN393032
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GENBANK/FN393033
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GENBANK/FN393034
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GENBANK/FN393035
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GENBANK/FN393036
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GENBANK/FN393037
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GENBANK/FN393038
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GENBANK/FN393039
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GENBANK/FN393040