Importance of AC-rich Element on Pea Phenylalanine Ammonia-Lyase Gene 1 Promoter for Expression Induced by Nonpathogenic Attack :

NDLデジタルコレクション 参考文献30件
  • IMURA,Yoshiyuki
    Laboratory of Plant Pathology and Genetic Engineering, Graduate School of Natural Science and Technology, Okayama University
  • IGUCHI,Satoko
    Laboratory of Plant Pathology and Genetic Engineering, Faculty of Agriculture, Okayama University
  • TOYODA,Kazuhiro
    Laboratory of Plant Pathology and Genetic Engineering, Faculty of Agriculture, Okayama University
  • ICHINOSE,Yuki
    Laboratory of Plant Pathology and Genetic Engineering, Graduate School of Natural Science and Technology, Okayama University
  • SHIRAISHI,Tomonori
    Laboratory of Plant Pathology and Genetic Engineering, Graduate School of Natural Science and Technology, Okayama University
  • YAMADA,Tetsuji
    Laboratory of Plant Pathology and Genetic Engineering, Graduate School of Natural Science and Technology, Okayama University

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Regulatory elements in the promoter of phenylalanine ammonia-lyase gene 1 of pea(PSPAL1)in response to nonpathogenic attack were identified by in vivo footprinting analysis. The footprints determined AC-rich sequences, Box-I and Box-II, that were conserved at similar positions in the phenylpropanoid gene promoters from several plants. To reveal the functions of the AC-rich sequence in nonpathogen-responsiveness, we constructed Box-I-deletion PSPAL1 promoter(dB-1)with GUS reporter gene and transformed it into tobacco plant. The dB-1 had reduced basal expression and a complete loss of nonpathogen-responsiveness. These results indicate the essentiality of Box-I for PSPAL1 activation induced by nonpathogenic attack.

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