Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 326438
Title Isolation of thermophilic Desulfotomaculum strains with methanol and sulphite from solfataric mud pools, and characterization of Desulfotomaculum solfataricum
Author(s) Goorissen, H.P.; Stams, A.J.M.; Hansen, T.A.
Source International Journal of Systematic and Evolutionary Microbiology 53 (2003). - ISSN 1466-5026 - p. 1223 - 1229.
Department(s) Microbiology
Publication type Refereed Article in a scientific journal
Publication year 2003
Keyword(s) sulfate-reducing bacterium - oil-field waters - gen-nov - anaerobic bacterium - thermodesulfobacterium-commune - reductive dechlorination - marine sediment - tetrachloroethene - reservoir - deep
Abstract Four strains of thermophilic, endospore-forming, sulfate-reducing bacteria were enriched and isolated from hot solfataric fields in the Krafla area of north-east Iceland, using methanol and sulfite as substrates. Morphologically, these strains resembled thermophilic Desulfotomaculum species. The strains grew with alcohols, including methanol, with glucose and fructose as electron donors, and with sulfate, sulfite or thiosulfate as electron acceptors. For all four strains, the optimum temperature and pH for growth were 60 degreesC and pH 7.3, respectively; no added NaCl was required. Phylogenetic analysis based on partial 16S rRNA gene sequence comparisons showed high levels of similarity of the novel strains (> 92 %) with Desulfotomaculum kuznetsovii and Desulfotomaculum luciae. However, DNA-DNA hybridization studies with D. kuznetsovii revealed that the four strains belonged to one novel species. A representative of this group of isolates, strain V21(T), is proposed as the type strain of a novel species of the spore-forming, sulfate-reducing genus Desulfotomaculum, namely Desulfotomaculum solfataricum (type strain V21(T) = DSM 114956(T) = CIP 107984(T)).
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