Factors affecting the mineralization of [U-C-14]benzene in spent mushroom substrate}.

Semple, Kirk T. and Watts, Ngaire U. and Fermor, Terry R. (1998) Factors affecting the mineralization of [U-C-14]benzene in spent mushroom substrate}. FEMS Microbiology Letters, 164 (2). pp. 317-321. ISSN 0378-1097

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The degradation of benzene in pasteurized spent mushroom substrate (SMS) was assessed. Following a 3 month enrichment in the presence of a variety of BTEX compounds, the extent of [U-C-14]benzene mineralization in the pasteurized SMS increased with increasing incubation temperature (18 degrees C < 37 degrees C < 50 degrees C). The concentration as well as the chemical composition used to enrich the compost's degradative activity was also shown to be involved in determining the extent of benzene mineralization. SMS induced on a 12.5 mM BTEX mixture mineralized more benzene than composts induced using 500 mu M benzene, 500 mu M o-xylene, or 2.5 mM BTEX mixture. Tn the absence of a pre-enrichment period, benzene mineralization was minimal. (C) 1998 Federation of European Microbiological Societies. Published by Elsevier Science B.V. All rights reserved.}

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FEMS Microbiology Letters
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