Study of polycyclic aromatic hydrocarbon (PAH) degradation and antimicrobial production by marine invertebrate derived fungi. / Estudo da degradação de hidrocarbonetos policíclicos aromáticas (HPAs) e da produção de antimicrobianos por fungos filamentosos isolados de invertebrados marinhos.

AUTOR(ES)
DATA DE PUBLICAÇÃO

2008

RESUMO

Seventy three fungi representatives of distinct taxonomic groups, isolated from cnidarians collected from north coast of São Paulo State, were submitted to RBBR dye decolorization tests and to MIC. Thirteen fungal selected from the decolorization test were submitted to pyrene and benzo[a]pyrene degradation assays. Seven fungi showed satisfactory PAH degradation results. Among them Aspergillus sulphureus (8.2A) presented the best results degrading pyrene (99.7%) and benzo[a]pyrene (73.6%). Regarding the MIC experiments, 21 isolates were able to inhibit the growth of B. subtilis, P. aeruginosa, S. aureus, E. coli EPEC and V. parahaemolyticus. Penicillium sp. (12.12) presented the best result (0,0078 mg/mL). The 23 isolates that showed potential biotechnologic were taxonomically characterized. Results derived from the present work suggest that cnidarians-derived filamentous fungi have a great potential for biotechnological application, in particular on bioremediation of marine environments contaminated by PAHs.

ASSUNTO(S)

metabólitos secundários polycyclic aromatic hydrocarbon secondary metabolites benzo[a]pyrene benzo[a]pireno fungos filementosos derivados marinhos filementous fungi derived marine hidrocarbonetos policíclicos aromáticos pyrene bioremediation pireno biorremediação

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