Physiological Characterization of Fungal Inoculum for Biotechnological Remediation of Soils

AUTOR(ES)

Ballaminut, Nara, Machado, Kátia Maria Gomes, Oliveira, Luisa Helena dos Santos, Matheus, Dácio Roberto

FONTE

Braz. arch. biol. technol.

DATA DE PUBLICAÇÃO

2014-08

RESUMO

The aim of this work was to study the bioremediating potential of Lentinus crinitus CCIBt2611 according to the physiological condition of the inoculum. Inoculum was prepared using sugarcane ground husk (C:N 90), at several physiological ages and applied in soil contaminated with pentachlorophenol. The inoculum's potential was assessed by evaluating the mycelium's vigor at soil's colonization, determination of peroxidase and phenoloxidase activities, in vitro degradation of Remazol Brilliant Blue R and in vivo degradation of pentachlorophenol. The results showed that the assessed parameters were relevant to identify the quality of the inoculum. For L. crinitus, 10 day old inoculum showed good soil-colonization speed with significant enzymatic activities, indicating the role of Manganese-dependent peroxidase and laccase in degradation, and efficient degradation of pentachlorophenol.

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