「フェアリーリング(妖精の輪)」の妖精の正体は? : 植物生長調節機構解明と農業への応用の可能性 Disclosure of the "fairy" of fairy-ring forming fungus

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Rings or arcs of fungus-stimulated plant growth occur often on the floor of woodlands which are commonly called "fairy rings". The fairy-ring forming fungi cause circles of mushrooms, rings or arcs of dark green grass due to luxuriant growth, or rings of dead grass. The liquid-cultured fungus was filtered, the filtrate was fractionated by successive chromatography, and the fractions were tested for their growth regulating activity on bentgrass. This lead to the purification of the active principles, 2-azahypoxanthine (AHX) and imidazole-4-carboxamide (ICA). Both AHX and ICA increased rice seed yield by 25.5% and 26.0%, respectively, in a greenhouse experiment. The growth-promoting activity of AHX was investigated using a rice oligo DNA microarray, reverse transcriptase-polymerase chain reaction, and bioassay. The results indicate that plants develop tolerance to various and continuous stress from the environment and increased nitrogen absorption by AHX-treatment, resulting in the growth promotion.

収録刊行物

  • 植物の生長調節

    植物の生長調節 47(1), 34-39, 2012

    一般社団法人 植物化学調節学会

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各種コード

  • NII論文ID(NAID)
    110009457008
  • NII書誌ID(NCID)
    AA11550064
  • 本文言語コード
    JPN
  • 資料種別
    NOT
  • ISSN
    1346-5406
  • NDL 記事登録ID
    023829741
  • NDL 請求記号
    Z18-67
  • データ提供元
    CJP書誌  NDL  NII-ELS  J-STAGE 
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