Influence of environmental parameters on pentachlorophenol biotransformation in soil by Lentinula edodes and Phanerochaete chrysosporium

The influences of temperature, soil moisture potential and initial pH on the biotransformation of pentachlorophenol (PCP) by the lignicolous fungi Lentinula edodes and Phanerochaete chrysosporium were examined. At 10 degrees C, L. edodes was more effective in degrading PCP (P < 0.05) than P. chry...

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Bibliographic Details
Published in:Applied microbiology and biotechnology 1996-03, Vol.45 (1/2), p.263-266
Main Authors: Okeke, B.C, Smith, J.E, Paterson, A, Watson-Craik, I.A
Format: Article
Language:English
Subjects:
Agaricales - metabolism
Basidiomycota - metabolism
Biodegradation of pollutants
Biodegradation, Environmental
Biological and medical sciences
Biotechnology
Environment and pollution
environmental degradation
Fundamental and applied biological sciences. Psychology
Hydrogen-Ion Concentration
Industrial applications and implications. Economical aspects
Kinetics
Lentinula edodes
Pentachlorophenol - metabolism
Phanerochaete chrysosporium
pollution
soil biology
Soil Pollutants - metabolism
soil science
Temperature
waste management
Water - metabolism
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Summary:The influences of temperature, soil moisture potential and initial pH on the biotransformation of pentachlorophenol (PCP) by the lignicolous fungi Lentinula edodes and Phanerochaete chrysosporium were examined. At 10 degrees C, L. edodes was more effective in degrading PCP (P < 0.05) than P. chrysosporium. At 15 degrees C similar results were obtained for the two fungi. The highest levels of degradation occurred for both fungi at 25 degrees C. With P. chrysosporium, the extent of PCP elimination was directly related to soil moisture content and optimal at approximately 47%. With L. edodes, in contrast, the process was inversely related to moisture content and maximal at 26%. The initial soil pH also had a marked influence, and pH 4.0 was optimal for both fungi.
ISSN:0175-7598
1432-0614
DOI:10.1007/s002530050681