NDLI: Biodegradation of phenol, o-cresol, m-cresol and p-cresol by indigenous soil fungi in soil contaminated with creosote

Content Provider	Springer Nature Link
Author	Atagana, Harrison Ifeanyichukwu
Copyright Year	2004
Abstract	Seven non-basidiomycetic fungi, Aspergillus, Candida, Cladosporium, Fusarium, Monicillium, Trichoderma and Penicillium, and two basidiomycetic fungi, Pleurotus and Phanerochaete were isolated from a creosote-contaminated soil by using mineral salts medium and soil extract broth containing antibiotics. Soil contaminated with phenol, o-cresol, m-cresol and p-cresol was collected from the yard of a wood treatment plant in South Africa and inoculated with the strains of Aspergillus, Cladosporium, Fusarium, Monicillium, Penicillium and Phanerochaete, selected from the isolate. The soil in some of the treatment reactors was amended with nutrient supplements to give a C:N:P ratio of 25:5:1. A total of 18 duplicate treatments were established and incubated in the dark at 25°C for 70days. The soil in all the reactors was tilled weekly and moisture was maintained at 70% field capacity. Soil samples were collected every 2weeks for analysis of residual concentrations of the phenols tested, pH measurement and moisture content determination. The nutrient-supplemented treatments were more effective in degrading the phenols (between 84 and 100%) than those that were not supplemented. Barley, which was used as bulking agent enhanced the growth of the fungi and subsequently the degradation of the phenols. Inoculation with a mixture of the six fungal isolates promoted more phenol degradation than with single isolates.
Starting Page	851
Ending Page	858
Page Count	8
File Format	PDF
ISSN	09593993
Journal	World Journal of Microbiology and Biotechnology
Volume Number	20
Issue Number	8
e-ISSN	15730972
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2004-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Biodegradation, creosote, fungi, phenol, o-cresol, m-cresol, p-cresol Chemistry/Food Science Biochemistry Microbiology Animal Anatomy Morphology Histology Environmental Biotechnology
Content Type	Text
Resource Type	Article
Subject	Physiology Medicine Applied Microbiology and Biotechnology Biotechnology

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