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Oxidation of [14C]benzo[a]pyrene by Mn-sufficient fungal cultures. Zero time was the time when benzo[a]pyrene (20 mg liter−1) was added to 6-day-old fungal cultures. Symbols: • and □, distribution of 14C label from benzo[a]pyrene in the dibutyl ether and water phases, respectively; ▴, total recovery of label in the culture medium after addition of acetone; ■, mineralization to 14CO2.
