Hong Yuan-fan, Hong Qing, Shen Yu-jia, Li Shun-peng
Key Laboratory of Microbiological Engineering Agricultural Environment, Ministry of Agriculture, College of Life Science, Nanjing Agricultural University, Nanjing 210095, China.
Huan Jing Ke Xue. 2007 May;28(5):1121-5.
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.
JQL4-5（鞘氨醇单胞菌属）是从反复受到农药污染的土壤中分离出的一种甲氰菊酯降解菌株，在本研究中用于探究影响其在土壤微观环境中甲氰菊酯降解能力的因素。在灭菌土壤中，JQL4-5对甲氰菊酯的降解速率比未灭菌土壤中的更快。包括土壤pH值、温度、杀螟硫磷初始浓度和接种量在内的各种因素都会影响其降解效率。添加10(6) CFU x g(-1)能够在20至40摄氏度的温度范围和pH值范围（6.5 - 7.5）内降解不同浓度（10 - 200 mg x kg(-1)土壤）的甲氰菊酯。结果表明，菌株JQL4-5在受甲氰菊酯污染土壤的生物修复方面具有潜在用途。
