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《Journal of Anhui Agricultural Sciences》 2008-23
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Aerobic Biodegradation of Chlordane in Liquid Culture by Enterobacter sp. LY402

YAN Yan et al(School of Bioengineering,Dalian University of Technology,Dalian,Liaoning 116024)  
[Objective] The objective was to investigate Enterobacter sp.LY402's ability to biodegradae chlordane under aerobic condition.[Method] Enterobacter sp.LY402,which could effectively degrade PCBs,was used to degrade chlordane in liquid culture.Effects of concentration,pH,temperature and carbon source on the degradation performance were investigated.[Result] After 4-day aerobic incubation at 30 ℃ without other carbon source,more than 94% of cis-chlordane(CC) and trans-chlordane(TC) mixture with a concentration of 1.0 mg/L was degraded.When exposed to a concentration as high as 10.0 mg/L,LY402 could still degrade 61% chlordane.The results showed that a pH range of 5.0-8.0 and a temperature range of 30-40 ℃ were most favorable for growth and effective degradation of chlordane.[Conclusion] Enterobacter sp.LY402 has a strong ability to biodegradae chlordane under aerobic condition.
【Fund】: 科技部“863”项目(2004AA649070)
【CateGory Index】: X172
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