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Biotransformation of polychlorinated dibenzo-p-dioxin by Coprinellus species

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Mycoscience

Abstract

A degradation experiment on dibenzo-p-dioxin (DD) and 2,7-dichlorodibenzo-p-dioxin (2,7-DCDD) was carried out using basidiomycetous fungi belonging to the genera Coprinus, Coprinellus, and Coprinopsis. Some species showed a high rate of decrease in DD for the 2-week test period. Among them, Coprinellus disseminatus showed the highest ability to decrease the DD level, close to 100% by the end of 2 weeks. Further examination showed that Coprinellus disseminatus and Coprinellus micaceus, belonging to the genus Coprinellus, were able to metabolize 2,7-DCDD to a monohydroxylated compound, probably mediated by the P450 system. The metabolism of chlorinated DD by fungi capable of living in soil conditions is reported here for the first time.

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Correspondence to Hiroto Suhara.

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Suhara, H., Kamei, I., Maekawa, N. et al. Biotransformation of polychlorinated dibenzo-p-dioxin by Coprinellus species. Mycoscience 52, 48–52 (2011). https://doi.org/10.1007/s10267-010-0062-7

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  • DOI: https://doi.org/10.1007/s10267-010-0062-7

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