Enrichment, isolation, and biodegradation potential of long-branched chain alkylphenol degrading non-ligninolytic fungi from wastewater

Ranjith Kumar Rajendran, Chu Ching Lin, Shir Ly Huang, Roland Kirschner

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

4-t-Octylphenol (4-t-OP) has become a serious environmental concern due to the endocrine disruption in animals and humans. The biodegradation of 4-t-OP by pure cultures has been extensively investigated only in bacteria and wood-decaying fungi. In this study we isolated and identified 14 filamentous fungal strains from wastewater samples in Taiwan using 4-t-OP as a sole carbon and energy source. The isolates were identified based on sequences from different DNA regions. Of 14 fungal isolates, 10 strains grew effectively on solid medium with a wide variety of endocrine disrupting chemicals as the sole carbon and energy source. As revealed by high-performance liquid chromatography analysis, the most effective 4-t-OP degradation (> 70%) in liquid medium was observed in Fusarium falciforme after 15 days. To our knowledge, this is the first report on the degradation of 4-t-OP as a sole carbon and energy source by non-ligninolytic fungi.

Original languageEnglish
Pages (from-to)416-425
Number of pages10
JournalMarine Pollution Bulletin
Volume125
Issue number1-2
DOIs
StatePublished - 15 Dec 2017

Keywords

  • Detoxification
  • Endocrine disrupter
  • Environmental estrogens
  • Fungal degradation
  • Translation elongation factor 1 α gene

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