Methyl ketone formation during degradation of phenoxybutyric acid by Penicillium canescens SBUG-M 1139 |
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Authors: | J. Lottmann E. Hammer F. Schauer |
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Affiliation: | Institut für Mikrobiologie, Ernst-Moritz-Arndt-Universit?t, Friedrich-Ludwig-Jahn-Strasse 15, D-17487 Greifswald, Germany e-mail: hammer@microbio1.biologie.uni-greifswald.de, Tel.: +49-3834-864211, Fax: +49-3834-864202, DE
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Abstract: | Penicillium canescens SBUG-M 1139 was shown to be able to grow using phenoxybutyric acid as the sole carbon source. The rapid conversion of the phenoxyalkanoic acid resulted in the formation of phenol, which was metabolized completely. These reactions were accompanied by an accumulation of the methyl ketone phenoxypropan-2-one. Furthermore, during the metabolism of phenoxybutyric acid, 4-phenoxy-2,3-dehydrobutyric acid, 4-phenoxy-3-hydroxybutyric acid, phenoxyacetic acid, and phenoxypropan-2-ol accumulated in minor amounts. Clearly, fungi can metabolize phenoxyalkanoic acids to produce methyl ketones in a manner analogous to that used for the conversion of short- or medium-chain fatty acids by fungi. Received: 7 May 1999 / Accepted: 23 August 1999 |
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Keywords: | Penicillium canescens Moulds Methyl ?ketones Phenoxybutyric acid |
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