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Biodegradation of the mixtures of 4-chlorophenol and phenol byComamonas testosteroniCPW301

✍ Scribed by Hee Sung Bae; James M. Lee; Young Bae Kim; Sung-Taik Lee

Publisher
Springer Netherlands
Year
1997
Tongue
English
Weight
553 KB
Volume
7
Category
Article
ISSN
0923-9820

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✦ Synopsis

A 4-chlorophenol (4-CP)-degrading bacterium, strain CPW301, was isolated from soil and identified as Comamonas testosteroni. This strain dechlorinated and degraded 4-CP via a meta-cleavage pathway. CPW301 could also utilize phenol as a carbon and energy source without the accumulation of any metabolites via the same metacleavage pathway. When phenol was added as an additional substrate, CPW301 could degrade 4-CP and phenol simultaneously. The addition of phenol greatly accelerated the degradation of 4-CP due to the increased cell mass. The simultaneous degradation of the 4-CP and phenol is useful not only for enhanced cell growth but also for the bioremediation of both compounds, which are normally present in hazardous waste sites as a mixture.

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