, Volume 29, Issue 10, pp 1469-1473
Date: 04 Jul 2007

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

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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.