Anaerobic Naphthalene Degradation by a Sulfate-Reducing Enrichment Culture

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MECKENSTOCK, Rainer U., Eva ANNWEILER, Walter MICHAELIS, Hans H. RICHNOW, Bernhard SCHINK, 2000. Anaerobic Naphthalene Degradation by a Sulfate-Reducing Enrichment Culture. In: Applied and Environmental Microbiology. 66(7), pp. 2743-2747. ISSN 0099-2240. eISSN 1098-5336

@article{Meckenstock2000Anaer-7618, title={Anaerobic Naphthalene Degradation by a Sulfate-Reducing Enrichment Culture}, year={2000}, number={7}, volume={66}, issn={0099-2240}, journal={Applied and Environmental Microbiology}, pages={2743--2747}, author={Meckenstock, Rainer U. and Annweiler, Eva and Michaelis, Walter and Richnow, Hans H. and Schink, Bernhard} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/7618"> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:35:49Z</dcterms:available> <dcterms:abstract xml:lang="eng">Anaerobic naphthalene degradation by a sulfate-reducing enrichment culture was studied by substrate utilization tests and identification of metabolites by gas chromatography-mass spectrometry. In substrate utilization tests, the culture was able to oxidize naphthalene, 2-methylnaphthalene, 1- and 2-naphthoic acids, phenylacetic acid, benzoic acid, cyclohexanecarboxylic acid, and cyclohex-1-ene-carboxylic acid with sulfate as the electron acceptor. Neither hydroxylated 1- or 2-naphthoic acid derivatives and 1- or 2-naphthol nor the monoaromatic compounds ortho-phthalic acid, 2-carboxy-1-phenylacetic acid, and salicylic acid were utilized by the culture within 100 days. 2-Naphthoic acid accumulated in all naphthalene-grown cultures. Reduced 2-naphthoic acid derivatives could be identified by comparison of mass spectra and coelution with commercial reference compounds such as 1,2,3,4-tetrahydro-2-naphthoic acid and chemically synthesized decahydro-2- naphthoic acid. 5,6,7,8-Tetrahydro-2-naphthoic acid and octahydro-2-naphthoic acid were tentatively identified by their mass spectra. The metabolites identified suggest a stepwise reduction of the aromatic ring system before ring cleavage. In degradation experiments with [1-13C]naphthalene or deuterated D8-naphthalene, all metabolites mentioned derived from the introduced labeled naphthalene. When a [13C]bicarbonate-buffered growth medium was used in conjunction with unlabeled naphthalene, 13C incorporation into the carboxylic group of 2-naphthoic acid was shown, indicating that activation of naphthalene by carboxylation was the initial degradation step. No ring fission products were identified.</dcterms:abstract> <dc:rights>deposit-license</dc:rights> <dc:creator>Annweiler, Eva</dc:creator> <dcterms:issued>2000</dcterms:issued> <dc:language>eng</dc:language> <dc:creator>Schink, Bernhard</dc:creator> <dcterms:rights rdf:resource="https://creativecommons.org/licenses/by-nc-nd/2.0/legalcode"/> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:35:49Z</dc:date> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/7618"/> <dc:contributor>Michaelis, Walter</dc:contributor> <dc:format>application/pdf</dc:format> <dc:contributor>Meckenstock, Rainer U.</dc:contributor> <dc:contributor>Schink, Bernhard</dc:contributor> <dcterms:bibliographicCitation>First publ. in: Applied and Environmental Microbiology 66 (2000), 7, pp. 2743-2747</dcterms:bibliographicCitation> <dc:creator>Michaelis, Walter</dc:creator> <dc:contributor>Annweiler, Eva</dc:contributor> <dc:creator>Richnow, Hans H.</dc:creator> <dcterms:title>Anaerobic Naphthalene Degradation by a Sulfate-Reducing Enrichment Culture</dcterms:title> <dc:contributor>Richnow, Hans H.</dc:contributor> <dc:creator>Meckenstock, Rainer U.</dc:creator> </rdf:Description> </rdf:RDF>

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