title: Transformation of o-xylene to o-methyl benzoic acid by a denitrifying enrichment culture using toluene as the primary substrate.
abstract: A highly enriched denitrifying mixed culture transformed o-xylene co-metabolically along with toluene by methyl group oxidation. o-Methyl benzaldehyde and o-methyl benzoic acid accumulated transiently as metabolic products of o-xylene transformation. Transformation of o-methyl benzyl alcohol and o-methyl benzaldehyde occurred independently of toluene degradation and resulted in the formation of a compound coeluting with o-methyl benzoic acid on a gas chromatograph. The co-metabolic relationship between toluene and o-xylene could be attributed to a mechanism linked to the initial oxidation of the methyl group.
authors.affiliation: Institute of Environmental Science and Engineering, Technical University of Denmark, Lyngby.
authors.forename: C
authors.initials: C
authors.lastname: Jørgensen
authors.forename: B
authors.initials: B
authors.lastname: Nielsen
authors.forename: B K
authors.initials: BK
authors.lastname: Jensen
authors.forename: E
authors.initials: E
authors.lastname: Mortensen
mesh_terms: D001421:Bacteria, Anaerobic / Q000378:metabolism*; D001547:Benzaldehydes / Q000737:chemistry / Q000378:metabolism; D001673:Biodegradation, Environmental; D003470:Culture Media; D006838:Hydrocarbons / Q000378:metabolism; D007700:Kinetics; D013058:Mass Spectrometry; D010084:Oxidation-Reduction; D012722:Sewage; D014050:Toluene / Q000737:chemistry / Q000378:metabolism*; D014992:Xylenes / Q000737:chemistry / Q000378:metabolism*
chemical_list: D001547:Benzaldehydes; D003470:Culture Media; D006838:Hydrocarbons; D012722:Sewage; D014992:Xylenes; D014050:Toluene; C026114:2-xylene