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Updated: Jul 13, 2026

A Whole Cell Bioreporter Approach to Assess Transport and Bioavailability of Organic Contaminants in Water Unsaturated Systems
Published on: December 24, 2014
[Bioremediation of fenpropathrin-contaminated soil by Sphingomonas sp.JQL4-5]
Yuan-fan Hong1, Qing Hong, Yu-jia Shen
1Key Laboratory of Microbiological Engineering Agricultural Environment, Ministry of Agriculture, College of Life Science, Nanjing Agricultural University, Nanjing 210095, China.
Abstract:
JQL4-5 (Sphingomonas sp.), a fenpropathrin-degrading strain isolated from soils exposed to repeated pesticides contamination, was used in this work to study factors affecting its degrading capacity of fenpropathrin in soil microcosms. In sterilized soil, the degradation rates of fenpropathrin by JQL4-5 were faster than those in unsterilized soil. Various factors, including soil pH, temperature, initial fenitrothion concentration, and inoculum size influenced its degradation efficiency. The addition of 10(6) CFU x g(-1) was able to degrade varying concentrations (10-200 mg x kg(-1) soil) of fenpropathrin over a temperature range of 20-40 degrees C and pH range (6.5 - 7.5). The results indicated that strain JQL4-5 has potential use in bioremediation of fenpropathrin-contaminated soil.
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