Journal of Microbiology

The Microbiological Society of Korea (한국미생물학회)
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Molecular Cloning and Identification of a Novel Oxygenase Gene Specifically Induced during the Growth of Rhodococcus sp. Strain T104 on Limonene

  • Park, Ki-Young (Laboratory of Environmental Microbial Genomics, Department of Biology, Yonsei University) ;
  • Kim, Dockyu (Laboratory of Environmental Microbial Genomics, Department of Biology, Yonsei University) ;
  • Koh, Sung-Cheol (Division of Civil and Environmental Engineering, Korea Maritime University) ;
  • So, Jae-Seong (Department of Biological Engineering, Center of Advanced Bioseparation Technology, Inha University) ;
  • Kim, Jong-Sul (Division of Life Science, University of Ulsa) ;
  • Kim, Eungbin (Laboratory of Environmental Microbial Genomics, Department of Biology, Yonsei University)
  • Published : 2004.06.01
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Abstract

Rhodococcus sp. strain T104 is able to utilize both limonene and biphenyl as growth substrates. Fur-thermore, T104 possesses separate pathways for the degradation of limonene and biphenyl. Previously, we found that a gene(s) involved in limonene degradation was also related to indigo-producing ability. To further corroborate this observation, we have cloned and sequenced a 8,842-bp genomic DNA region with four open reading frames, including one for indole oxygenase, which converts indole to indigo (a blue pigment). The reverse transcription PCR data demonstrated that the identified indole oxygenase gene is specifically induced by limonene, thereby implicating this gene in the degradation of limonene by T104.

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