Growth of the black yeast Exophiala jeanselmei on styrene and styrene-related compounds |
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Authors: | H H J Cox J H M Houtman H J Doddema W Harder |
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Institution: | (1) Department of Environmental Biotechnology, TNO Institute of Environmental Sciences, P.O. Box 6011, 2600 JA Delft, The Netherlands |
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Abstract: | The black yeast Exophiala jeanselmei can grow on styrene as the sole source of carbon and energy in concentrations up to 0.36 mm. No growth is observed at higher styrene concentrations. Styrene oxidation is induced by styrene or styrene-related compounds, whereas glucose represses this styrene oxidation. E. jeanselmei shows a broad substrate specificity: various aromatic compounds are used as the sole source of carbon and energy. Styrene-grown cells can oxidize styrene, styrene oxide, phenylacetaldehyde, phenylacetic acid and 2-phenylethanol at a rate of 1.3 to 3.2 g O2·min–1·mg–1 protein. A pathway for the degradation of styrene in E. jeanselmei is suggested. |
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