Pre-screening of filamentous fungi isolated from a contaminated site in Southern Brazil for bioaugmentation purposes

  • EO dos Santos
  • CFC da Rosa
  • CT dos Passos
  • AVL Sanzo
  • JFM Burkert
  • SJ Kalil
  • CAV Burkert
Keywords: Bioremediation, bioaugmentation, biodegradation, hydrocarbons, filamentous fungi, colony growth rate.

Abstract

Four Aspergillus sp. strains were isolated from contaminated soil in Rio Grande, Southern Brazil. The biodegradation potential of these strains was evaluated using a simple method involving the determination of colony growth rates on plates containing a specific hydrocarbon or petroleum
derivative as the only carbon source. The LEBM1 strain presented a high tolerance level to BTX. It was the only strain capable of growth on all the media, with growth rates varying from 1.3 to 2.2 mm/day. The LEBM2 strain presented the potential for phenol degradation, while the LEBM3 strain could be used for gasoline, diesel oil, hexane and chlorobenzene.
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eISSN: 1684-5315