A model system to screen for candidate plant activators using an immune-induction system in Arabidopsis

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To develop a screening system for plant activators, which are novel substances that protect plants by enhancing their inherent disease-resistance mechanisms, we utilized a <i>GUS</i> reporter gene system using promoters of the defense-related genes, <i>PR-1</i> and <i>PR-4</i>. To validate the strategy, we performed subsequent analysis using an <i>Arabidopsis</i> microarray consisting of 1200 full-length cDNA clones representing putative defense-related and regulatory genes. Benzo(1,2,3)thiadiazole-7-carbothioic acid <i>S</i>-methyl ester and 2,6-dichloroisonicotinic acid activated plant defense responses via the salicylic acid (SA)-dependent signaling pathway, and β-aminobutyric acid triggered a primed state in the plant that enables more efficient activation of the SA-, jasmonic acid- and ethylene-signaling pathway. These results suggest that this novel system can be used to screen for candidate plant activators.

収録刊行物

  • Plant biotechnology  

    Plant biotechnology 23(3), 321-327, 2006-06-01 

    Japanese Society for Plant Cell and Molecular Biology

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各種コード

  • NII論文ID(NAID)
    10021908898
  • NII書誌ID(NCID)
    AA11250821
  • 本文言語コード
    ENG
  • 資料種別
    NOT
  • ISSN
    13424580
  • NDL 記事登録ID
    7943963
  • NDL 雑誌分類
    ZR3(科学技術--生物学--植物)
  • NDL 請求記号
    Z54-J126
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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