Use of fungal technology in soil remediation: A Case Study |
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Authors: | Václav ?a?ek Tomá? Cajthaml Manish Bhatt |
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Institution: | (1) Institute of Microbiology, Academy of Sciences of the Czech Republic, Víde ská 1083, CZ-14220 Prague 4, Czech Republic (author for correspondence |
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Abstract: | Two white rot fungi Irpex lacteus and Pleurotus ostreatus and a PAH-degrading bacterial strain of Pseudomonas putida were used as inoculum for bioremediation of petroleum hydrocarbon-contaminated soil from a manufactured-gas-plant-area. Also two cocultures comprising a fungus with Pseudomonas putida were applied. After 10-week treatment out of 12 different PAHs, concentration of phenanthrene, anthracene, fluoranthene and pyrene decreased up to 66%. The ecotoxicity of the soil after bioremediation did not reveal any effect on the survival of Daphnia magna, a crustacian. However, the toxic effect on seed germination of plant Brassica
alba and oxidoreductase activity of bacterium Bacillus cereus decreased after 5 and 10 weeks of treatment. |
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Keywords: | bioremediation contaminated soil ecotoxicity polyaromatic hydrocarbons Psedomonas putida white rot fungi |
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