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Polymerization of phenolic intermediates of pesticides by a fungal enzyme |
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| Authors: | J -M Bollag R D Sjoblad R D Minard |
| Institution: | (1) Laboratory of Soil Microbiology, Department of Agronomy, The Pennsylvania State University, 16802 University Park, Pennsylvania, USA;(2) Department of Chemistry, The Pennsylvania State University, 16802 University Park, Pennsylvania, USA |
| Abstract: | Summary The fungusRhizoctonia praticola produces an extracellular phenol oxidase (laccase) which polymerizes phenolic intermediates of various pesticides. The enzyme catalyzes the formation of oligomeric products from halogenated phenolic intermediates of phenoxyalkanoate herbicides and from naphtholic products derived from carbamate insecticides. These findings permit further investigations into the mechanism and role of oxidative coupling leading to the incorporation of xenobiotic compounds into soil organic matter. |
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