Research Article

Degradation of the Organochlorinated Herbicide Diuron by Rainforest Basidiomycetes

Table 1

Growth, laccase production, and diuron degradation by basidiomycetes after 20 days of cultivation in medium containing initial 25 mg/L of diuron, 2.5 mM of N, and 10 g/L of glucose. (–) = nondetectable. Superscript numbers (1, 2, and 3) refer to statistically significant groups.

StrainControlDiuron 25 mg/L
Lac (U/g)Biomass (g/L)Lac (U/g)Biomass (g/L)Degradation (%)

Gloeophyllum striatum MCA 2
Datronia caperata MCA 5
Trametes modesta MCA 6
Gloeophyllum striatum MCA 7
Polyporus tenuiculus MCA 9
Polyporus tenuiculus MCA 11
Pycnoporus sanguineus MCA 16
Agaricales n. i. (MCA 17)
Polyporus sp. MCA 128
Hexagonia hirta MCA 131
Datronia stereoides MCA 167
Pluteus cubensis SXS 320
SXS 323 Dacryopinax elegans