• Title/Summary/Keyword: fcbABC

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Hydrolytic Dechlorination of 4-Chlorobenzoate Specified by fcbABC of Pseudomonas sp. DJ -12

  • Chae, Jong-Chan;Ahn, Kyung-Joon;Kim, Chi-Kyung
    • Journal of Microbiology and Biotechnology
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    • v.8 no.6
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    • pp.692-695
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    • 1998
  • Pseudomonas sp. DJ-12 was able to degrade 4-chlorobenzoate by hydrolytic dechlorination to produce 4-hydroxybenzoate and chloride ion. The fcbABC genes responsible for the hydrolytic dechlorination were cloned from the chromosomal DNA of the organism. The genes were found to be organized in the order fcbB-fcbA-fcbC, but there was an intergenic space between the fcbA and fcbC genes.

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Structural Analysis of the fcbABC Gene Cluster Responsible for Hydrolytic Dechlorination of 4-Chlorobenzoate from pJS1 Plasmid of Comamonas sp. P08

  • Lee, Jeong-Soon;Lee, Kyoung;Ka, Jong-Ok;Jong-Chan;Kim, Chi-Kyung
    • Journal of Microbiology
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    • v.41 no.2
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    • pp.89-94
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    • 2003
  • Bacterial strain No. P08 isolated from wastewater at the Cheongju industrial complex was found to be capable of degrading 4-chlorobenzoate under aerobic condition. P08 was identified as Comamonas sp. from its cellular fatty acid composition and 16S rDNA sequence. The fcb genes, responsible for the hydrolytic dechlorination of 4-chlorobenzoate, were cloned from the plasmid pJJl of Comamonas sp. P08. The fcb gene cluster of comamonas sp. PO8 was organized in the order fcbB-fcbA-fcbTl-fcbT2-fcbT3-fcbC. This organization of the fcb genes was very similar to that of the fcb genes carried on the chromosomal DNA of pseudomonas sp. DJ-12. However, it differed from the fcbA-fcbB -fcbC ordering of Arthrobacter sp. SU. The nucleotide sequences of the fcbABC genes of strain P08 showed 98% and 53% identities to those of Pseudomonas sp. DJ-12 and Arthrobacter sp. SU, respectively. This suggests that the fcb genes might have been derived from Pseudomonas sp. DJ-12 to form plasmid pJSl in Comamonas sp. P08, or that the fcb genes in strain DJ-12 were transposed from Comamonas sp. P08 plasmid.