Biotechnology Letters

, Volume 29, Issue 10, pp 1469–1473

Mineralization of chlorpyrifos by co-culture of Serratia and Trichosporon spp.

  • Gangming Xu
  • Yingying Li
  • Wei Zheng
  • Xiang Peng
  • Wen Li
  • Yanchun Yan
Original Research Paper

Abstract

A bacterial strain (Serratia sp.) that could transform chlorpyrifos to 3,5,6-trichloro-2-pyridinol (TCP) and a TCP-mineralizing fungal strain (Trichosporon sp.) were isolated from activated sludge by enrichment culture technique. The fungus could also degrade 50 mg chlorpyrifos l−1 within 7 days. Co-cultures completely mineralized 50 mg chlorpyrifos l−1 within 18 h at 30°C and pH 8 using a total inocula of 0.15 g biomass l−1.

Keywords

Chlorpyrifos Mineralization Serratia sp. Trichosporon sp. 3,5,6-Trichloro-2-pyridinol 

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Copyright information

© Springer Science+Business Media B.V. 2007

Authors and Affiliations

  • Gangming Xu
    • 1
    • 2
  • Yingying Li
    • 1
    • 2
  • Wei Zheng
    • 1
    • 2
  • Xiang Peng
    • 1
    • 2
  • Wen Li
    • 1
    • 2
  • Yanchun Yan
    • 3
  1. 1.State Key Laboratory of Crop BiologyShandong Agricultural UniversityTai’anP.R. China
  2. 2.College of Life SciencesShandong Agricultural UniversityTai’anP.R. China
  3. 3.Graduate SchoolChinese Academy of Agricultural SciencesBeijingP.R. China

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