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http://dx.doi.org/10.5338/KJEA.2010.29.4.388

Biodegradation of Fungicide Tolclofos-methyl by Sphingomonas sp. 224  

Kwak, Yun-Young (School of Applied Biosciences, Kyungpook National University)
Shin, Kab-Sik (School of Applied Biosciences, Kyungpook National University)
Lee, Sang-Man (School of Applied Biosciences, Kyungpook National University)
Kim, Jang-Eok (School of Applied Biosciences, Kyungpook National University)
Rhee, In-Koo (School of Applied Biosciences, Kyungpook National University)
Shin, Jae-Ho (School of Applied Biosciences, Kyungpook National University)
Publication Information
Korean Journal of Environmental Agriculture / v.29, no.4, 2010 , pp. 388-395 More about this Journal
Abstract
In order to decrease level of an organophosphorus fungicide, tolclofos-methyl, from in situ ginseng cultivating soil, we isolated a tolclofos-methyl degrading bacteria from ginseng cultivating soil samples. The bacterial strain removed tolclofos-methyl around 95% after 3 days incubation with complete liquid media. The strain was identified as Sphingomonas sp. by 16S rDNA sequence comparison, and designated as Sphingomonas sp. 224. Through the GC-MS analysis, Sphingomonas sp. 224 was proposed to have an initiative degradation pathway generating the metabolite such as 2,6-dichloro-4-methyl phenol compound from tolclofos-methyl. In addition, Sphingomonas sp. 224 was confirmed representing the effective degrading capability to tolclofosmethyl in situ soil.
Keywords
Biodegradation; Bioremediation; Organophosphorus fungicide; Sphingomonas sp. Tolclofos-methyl;
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Times Cited By KSCI : 4  (Citation Analysis)
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