Ability of a Microbial Consortium to Remove Pesticide, Carbendazim and 2,4-Dichlorophenoxyacetic Acid

DOI 被引用文献2件

書誌事項

公開日
2004-07
DOI
  • 10.1023/b:wibi.0000040405.56291.52
公開者
Springer Science and Business Media LLC

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説明

A bacterial consortium capable of simultaneously degrading the fungicide, carbendazim, and the herbicide, 2,4-dichlorophenoxyacetic acid (2,4-D) was obtained by enrichment of soil samples collected from paddy fields in Japan. This consortium was acclimated in a continuously fed culture with 20 μM carbendazim and 2 mM 2,4-D as sole carbon sources using a glass column reactor. By denaturing gradient gel electrophoresis, we observed changes in the bacterial population following the degradation of the both pesticides. This acclimated consortium completely degraded up to 100 μM carbendazim and 3 mM 2,4-D within 36 and 24 h, respectively, in batch culture, but a lag time was observed after precultivation in a rich medium. The immobilization of the consortium on a polyester support enhanced the degradation ability of this consortium compared with the use of free cells. This microbial consortium could be useful for bioremediation at sites contaminated with these pesticides.

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