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KMID : 1024519940030030197
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Journal of the Environmental Sciences
1994 Volume.3 No. 3 p.197 ~ p.207
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Isolation and Characterization of 2,4,5-Trichlorophenoxyacetic Acid Degrading Bacteria
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Park Yeong-Sun
Lee Geon
Lee Sang-Joon
Lee Jong-Kun
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Abstract
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Microorganisms capable of utilizing 2,4,5-trichlorophenoxyacetic acid(2,4,5-T) as sole carbon source were isolated from soil by enrichment culture. Among these strains, EL-O7IP had the highest biodegradability of 2,4,5-7, and according to its morphological and physiological characteristics, it was identified as Pseudomonas sp. This strain was resistant to rifampicin, streptomycin, ampicillin, kanamycin and such metal ions as , Various compounds of chlorinated phenol and substrate analogs were more easily utilized than 2,4,5-7, but biodegradation rate for each compound was different. The strain easily utilized the compounds of chlorinated substituents on phenol in the order of ortho-, para-, and meta- position. The biodegradability of this strain was very stable. Key words : 2,4,5- trichlorophenoxyacetic acid, Pseudomonas sp .
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KEYWORD
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2,4,5-trichlorophenoxyacetic acid, Pseudomonas sp.
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