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  • Title: Transformation of o-xylene to o-methyl benzoic acid by a denitrifying enrichment culture using toluene as the primary substrate.
    Author: Jørgensen C, Nielsen B, Jensen BK, Mortensen E.
    Journal: Biodegradation; 1995 Jun; 6(2):141-6. PubMed ID: 7772940.
    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.
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