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Degradation of o-xylene and m-xylene by a novel sulfate-reducer belonging to the genus Desulfotomaculum

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Datum

2004

Autor:innen

Morasch, Barbara
Tebbe, Christoph C.
Meckenstock, Rainer U.

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http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-26502
DOI (zitierfähiger Link)
https://doi.org/10.1007/s00203-004-0672-6
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Attribution-NonCommercial-NoDerivs 2.0 Generic

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Open Access-Veröffentlichung
Open Access Green

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Biologie: Publikationen
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Archives of Microbiology. 2004, 181(6), pp. 407-417. ISSN 0302-8933. eISSN 1432-072X. Available under: doi: 10.1007/s00203-004-0672-6

Zusammenfassung

A strictly anaerobic bacterium, strain OX39, was isolated with o-xylene as organic substrate and sulfate as electron acceptor from an aquifer at a former gasworks plant contaminated with aromatic hydrocarbons. Apart from o-xylene, strain OX39 grew on m-xylene and toluene and all three substrates were oxidized completely to CO2. Induction experiments indicated that o-xylene, m-xylene, and toluene degradation were initiated by different specific enzymes. Methylbenzylsuccinate was identified in supernatants of cultures grown on o-xylene and m-xylene, and benzylsuccinate was detected in supernatants of toluene-grown cells, thus indicating that degradation was initiated in all three cases by fumarate addition to the methyl group. Strain OX39 was sensitive towards sulfide and depended on Fe(II) in the medium as a scavenger of the produced sulfide. Analysis of the PCR-amplified 16S rRNA gene revealed that strain OX39 affiliates with the gram-positive endospore-forming sulfate reducers of the genus Desulfotomaculum and is the first hydrocarbonoxidizing bacterium in this genus.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
570 Biowissenschaften, Biologie

Schlagwörter

Sulfate reduction, BTEX, Benzylsuccinate synthase, Desulfotomaculum

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ISO 690MORASCH, Barbara, Bernhard SCHINK, Christoph C. TEBBE, Rainer U. MECKENSTOCK, 2004. Degradation of o-xylene and m-xylene by a novel sulfate-reducer belonging to the genus Desulfotomaculum. In: Archives of Microbiology. 2004, 181(6), pp. 407-417. ISSN 0302-8933. eISSN 1432-072X. Available under: doi: 10.1007/s00203-004-0672-6
BibTex
@article{Morasch2004Degra-8500,
  year={2004},
  doi={10.1007/s00203-004-0672-6},
  title={Degradation of o-xylene and m-xylene by a novel sulfate-reducer belonging to the genus Desulfotomaculum},
  number={6},
  volume={181},
  issn={0302-8933},
  journal={Archives of Microbiology},
  pages={407--417},
  author={Morasch, Barbara and Schink, Bernhard and Tebbe, Christoph C. and Meckenstock, Rainer U.}
}
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