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Effect of soil bacteria on the ability of polycyclic aromatic hydrocarbons (PAHs) removal by Trametes versicolor and Irpex lacteus from contaminated soil

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    0355527 - MBÚ 2011 RIV GB eng J - Journal Article
    Borras, E. - Caminal, G. - Sarra, M. - Novotný, Čeněk
    Effect of soil bacteria on the ability of polycyclic aromatic hydrocarbons (PAHs) removal by Trametes versicolor and Irpex lacteus from contaminated soil.
    Soil Biology and Biochemistry. Roč. 42, č. 12 (2010), s. 2087-2093. ISSN 0038-0717
    R&D Projects: GA AV ČR IAAX00200901; GA MŠMT LC06066
    Institutional research plan: CEZ:AV0Z50200510
    Keywords : White-rot fungi * pah * soil bacteria
    Subject RIV: EE - Microbiology, Virology
    Impact factor: 3.242, year: 2010

    The effect of bacteria represented by soil microflora or a mixture of bacteria Pseudomonas aeruginosa and Rhodococcus erythropolis on fungal growth, extracellular enzyme production and PAHs biodegradation efficiency in soil of Trametes versicolor and Irpex lacteus was investigated..The growth yields measured by ergosterol were about twofold in I. lacteus after 10 weeks. T. versicolor was more efficient in PAH removal for all PAHs tested although its capacity to colonize soil was lower. The removal rates of PAHs by T. versicolor in sterile soil were 1.5-fold, 5.8-fold and 1.8-fold for 2-3-ring, 4-ring and 5-6-ring PAHs, compared to I. lacteus, respectively. Chrysene and benzo[b]fluoranthene were degraded by neither fungus. The main effect of the presence of the indigenous microflora or R. erythropolis and P. aeruginosa was a significant decrease of degradation of total PAHs by both T. versicolor and I. lacteus. Weak fungal/bacterial synergistic effects were observed
    Permanent Link: http://hdl.handle.net/11104/0194275

     
     
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