Analysis of Two Gene Clusters Involved in 2,4,6-Trichlorophenol Degradation by Ralstonia pickettii DTP0602
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- HATTA Takashi
- Department of Biomedical Engineering, Faculty of Engineering, Okayama University of Science Department of Biomedical Engineering, Faculty of Engineering, Okayama University of Science
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- FUJII Eiji
- Industrial Technology Center of Okayama Prefecture Industrial Technology Center of Okayama Prefecture
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- TAKIZAWA Noboru
- Department of Applied Chemistry, Faculty of Engineering, Okayama University of Science Department of Applied Chemistry, Faculty of Engineering, Okayama University of Science
書誌事項
- タイトル別名
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- Analysis of Two Gene Clusters Involved in 2,4,6-Trichlorophenol Degradation by <i>Ralstonia pickettii</i> DTP0602
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抄録
Ralstonia pickettii DTP0602 utilizes 2,4,6-trichlorophenol (2,4,6-TCP) as sole source of carbon and energy. We have characterized hadABC which is involved in the degradation of 2,4,6-TCP. To identify the other genes involved in 2,4,6-TCP degradation, the DNA sequence around hadABC was determined. A regulatory gene, hadR, homologous to the LysR-type transcriptional regulator was located upstream of hadA, but no maleylacetate (MA) reductase gene was located near hadABC. An 8.4-kb DNA fragment containing a MA reductase gene, hadD, was cloned using a DNA probe designed from the N-terminal sequence of purified MA reductase. hadD was located upstream of an open reading frame, hadS, which codes for a homolog of the LysR-type transcriptional regulator. A hadS insertion mutant, DTP62S, constitutively expressed MA reductase when grown on aspartate in the absence of 2,4,6-TCP. MA reductase was repressed in DTP62S supplemented with hadS. HadR and HadS are proposed to be a positive and a negative regulator, respectively. A draft genome sequence analysis revealed that the hadRXABC and hadSYD clusters were separated by 146-kb on the 8.1-Mb chromosome.
収録刊行物
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- Bioscience, Biotechnology, and Biochemistry
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Bioscience, Biotechnology, and Biochemistry 76 (5), 892-899, 2012
公益社団法人 日本農芸化学会
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詳細情報 詳細情報について
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- CRID
- 1390282681454363264
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- NII論文ID
- 10030752479
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- NII書誌ID
- AA10824164
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- COI
- 1:STN:280:DC%2BC38jltlOgsg%3D%3D
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- ISSN
- 13476947
- 09168451
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- NDL書誌ID
- 023681835
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- PubMed
- 22738955
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- PubMed
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