Polyamine accumulation in transgenic eggplant enhances tolerance to multiple abiotic stresses and fungal resistance

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Polyamines (putrescine, spermidine and spermine) have been shown to be important in stress tolerance. Thus, the present study was undertaken with the aim to enhance stress tolerance in eggplant by introduction of a key polyamine biosynthetic gene arginine decarboxylase, <i>adc</i> under the control of a constitutive promoter of cauliflower mosaic virus, CaMV35S through <i>Agrobacterium</i>-mediated transformation. Several putative transgenic plants were generated and the transgene integration and expression was confirmed by PCR and Southern blot analyses, and RT-PCR analysis, respectively. These transgenic plants have shown an enhanced level of polyamines due to the increase in ADC enzyme activity. The diamine oxidase (an enzyme involved in putrescine and spermidine degradation) activity was also increased in these transgenic plants. Polyamine-accumulating transgenic plants exhibited an increased tolerance levels to multiple abiotic stresses such as salinity, drought, low and high temperature, and heavy-metal and resistance against fungal wilt disease caused by <i>Fusarium oxysporium</i>.

収録刊行物

  • Plant biotechnology  

    Plant biotechnology 24(3), 273-282, 2007-06-01 

    Japanese Society for Plant Cell and Molecular Biology

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各種コード

  • NII論文ID(NAID)
    10021911345
  • NII書誌ID(NCID)
    AA11250821
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13424580
  • NDL 記事登録ID
    8775125
  • 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  NDL  J-STAGE 
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