Biodegradation of di?n?butyl phthalate by mangrove microorganism Rhodococcus ruber 1K

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Biodegradation of di?n?butyl phthalate by mangrove microorganism Rhodococcus ruber 1K

LI Kuixiao ¹,GU Jidong^1,2

¹South China Sea Institute of Oceanography,Chinese Academy of Sciences,Guangzhou 510301, China; ²University of Hongkong,Hongkong, China

Received:2004-10-22 Revised:2005-03-03 Online:2005-08-18

Abstract

Abstract: A di-n-butyl phthalate (DBP)degrading bacterium Rhodococcus rubber was isolated from mangrove soil,and its degrading characteristics were studied.The results showed that the bacterium could grow well on the substrate with DBP as the sole source of carbon and energy,and the DBP of 50 mg·L^-1 could be completely degraded after 48 h.Under aerobic condition,the tentative pathway proposed for DBP degradation was through monoester initially,then phthalic acid,and finally CO₂ and H₂O.

Key words: Winter wheat, Corn, Multiple cropping, Ecophysiological effects

LI Kuixiao ¹,GU Jidong^1,2. Biodegradation of di?n?butyl phthalate by mangrove microorganism Rhodococcus ruber 1K[J]. Chinese Journal of Applied Ecology.

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Biodegradation of di?n?butyl phthalate by mangrove microorganism Rhodococcus ruber 1K

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