Aerobic degradation by white-rot fungi of trichloroethylene (TCE) and mixtures of TCE and perchloroethylene (PCE)

Ernest Marco-Urrea, Xavier Gabarrell, Gloria Caminal, Teresa Vicent, C. Adinarayana Reddy

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19 Citations (Scopus)


Background: Trichloroethylene (TCE) and perchloroethylene (PCE) are considered among the most important groundwater pollutants around the world. These compounds are usually found together in polluted environments but little is known about the ability of microorganisms to simultaneously degrade TCE and PCE. Results: Data showed that several species of white-rot fungi, including Trametes versicolor, Ganoderma lucidum, and Irpex lacteus, degrade substantial levels of TCE in pure culture. T. versicolor was chosen for further study since it degraded higher levels of TCE than the other organisms. Initial glucose concentration and reoxygenation of samples increased the amount of TCE dechlorination, but no significant difference in percentage TCE degradation was observed. T. versicolor was able to degrade 34.1 and 47.7% of PCE and TCE added as mixtures (containing 5 and 10mg L-1, respectively). Conclusions: The degradation ability of TCE was extended to other species of white-rot fungi. Percentage degradation as well as chloride release from mixtures of TCE and PCE showed that T. versicolor degrades mixtures of TCE and PCE almost as well as its ability to degrade individually added TCE or PCE. The results suggest the potential promise of T. versicolor for bioremediation of TCE and PCE in the environment. © 2008 Society of Chemical Industry.
Original languageEnglish
Pages (from-to)1190-1196
JournalJournal of Chemical Technology and Biotechnology
Publication statusPublished - 1 Sep 2008


  • Biodegradation
  • Perchloroethylene
  • Trametes versicolor
  • Trichloroethylene
  • White-rot fungus


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