Resistance to insects in transgenic Solanum plants expressing a peroxidase gene from horseradish

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To engineer insect-resistant <i>Solanum</i> plants, a peroxidase C2 gene (<i>prxC2</i>) from horseradish was introduced into <i>Solanum integrifolium</i> Poir. cv. Hiranasu. We produced 77 transgenic Hiranasu plants. Peroxidase expression was confirmed at the transcriptional and translational levels by northern blot analysis and by measuring peroxidase activity, respectively. Feeding test results show that transformant no. 180 is more resistant to corn earworm (<i>Heliothis armigera</i>) and common cutworm (<i>Spodoptera litura</i>) than the wild-type plants. We also found a correlation between insect resistance and lignin content in the transgenic plants. In particular, the lignin content of transformant no. 180 was 30% higher than that of wild-type plants. These results further confirm that peroxidase is functionally expressed in transgenic plants and suggest that the increased lignin content is a basis for the insect resistance in transgenic Hiranasu plants.

収録刊行物

  • Plant biotechnology

    Plant biotechnology 23(1), 71-74, 2006-03-01

    Japanese Society for Plant Cell and Molecular Biology

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各種コード

  • NII論文ID(NAID)
    10021907917
  • NII書誌ID(NCID)
    AA11250821
  • 本文言語コード
    ENG
  • 資料種別
    SHO
  • ISSN
    13424580
  • NDL 記事登録ID
    7857147
  • 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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