Polychlorinated Biphenyl/Biphenyl Degrading Gene Clusters in Rhodococcus sp. K37, HA99, and TA431 Are Different from Well-Known bph Gene Clusters of Rhodococci

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概要

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• Four kinds of polychlorinated biphenyl (PCB)-degrading Rhodococcus sp. (TA421, TA431, HA99, and K37) have been isolated from termite ecosystem and under alkaline condition. The bph gene cluster involved in the degradation of PCB/biphenyl has been analyzed in strain TA421. This gene cluster was highly homologous to bph gene clusters in R. globerulus P6 and Rhodococcus sp. RHA1. In this study, we cloned and analyzed the bph gene cluster essential to PCB/biphenyl degradation from R. rhodochrous K37. The order of the genes and the sequence were different in K37 than in P6, RHA1, and TA421. The bphC8K37 gene was more homologous to the meta-cleavage enzyme involved in phenanthrene metabolism than bphC genes involved in biphenyl metabolism. Two other Rhodococcus strains (HA99 and TA431) had PCB/biphenyl degradation gene clusters similar to that in K37. These findings suggest that these bph gene clusters evolved separately from the well-known bph gene clusters of PCB/biphenyl degraders.

• 社団法人 日本農芸化学会の論文
• 2007-05-23

著者

• Kudo Toshiaki

  Environmental Molecular Biology Lab. :graduate School Of Integrated Science Yokohama City University

• Kudo Toshiaki

  Laboratory Of Microbiology The Institute Of Physical And Chemical Research(riken)

• KUDO TOSHIAKI

  RIKEN

• Kudo Toshiaki

  Enviromental Molecular Biology Lab. Riken

• Takio K

  Enviromental Molecular Biology Lab. Riken

• Kudo T

  Riken (inst. Physical And Chemical Res.) Wako Jpn

• Kudo T

  Riken Saitama Jpn

• Kudo Toshiaki

  International Graduate School Of Arts And Sci. Yokohama City Univ.

• Kudo Toshiaki

  Yokohama City Univ. Kanagawa Jpn

• Iida Toshiya

  Biotechnology Laboratory Department Of Applied Chemistry Faculty Of Engineering Okayama University O

• TAGUCHI Katsuhiko

  Environmental Molecular Biology Laboratory, RIKEN Institute

• MOTOYAMA Masaki

  Environmental Molecular Biology Laboratory, RIKEN Institute

• Motoyama Masaki

  Environmental Molecular Biology Laboratory Riken Institute

• Iida Toshiya

  Environmental Molecular Biology Laboratory Riken Institute

• Taguchi Katsuhiko

  Ecomolecular Biorecycling Science Research Team Riken Advanced Science Institute

• Taguchi Katsuhiko

  Environmental Molecular Biology Laboratory Riken Institute

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• Polychlorinated Biphenyl/Biphenyl Degrading Gene Clusters in Rhodococcus sp. K37, HA99, and TA431 Are Different from Well-Known bph Gene Clusters of Rhodococci

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