Biochemical and Molecular Analyses of Gibberellin Biosynthesis in Fungi

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著者

    • Kawaide Hiroshi KAWAIDE Hiroshi
    • Division of Agriscience and Bioscience, Institute of Symbiotic Science and Technology, Tokyo University of Agriculture and Technology (TUAT)

抄録

The plant hormone, gibberellin (GA), regulates plant growth and development. It was first isolated as a superelongation-promoting diterpenoid from the fungus, <I>Gibberella fujikuroi</I>. <I>G. fujikuroi</I> uses different GA biosynthetic intermediates from those in plants to produce GA<SUB>3</SUB>. Another class of GA-producing fungus, <I>Phaeosphaeria</I> sp. L487, synthesizes GA<SUB>1</SUB> by using the same intermediates as those in plants. A molecular analysis of GA biosynthesis in <I>Phaeosphaeria</I> sp. has revealed that diterpene cyclase and cytochrome P450 monooxygenases were involved in the plant-like biosynthesis of GA<SUB>1</SUB>. Fungal <I>ent</I>-kaurene synthase is a bifunctional cyclase. Subsequent oxidation steps are catalyzed by P450s, leading to biologically active GA<SUB>1</SUB>. GA biosynthesis in plants is divided into three steps involving soluble enzymes and membrane-bound cytochrome P450. The activation of plant GAs is catalyzed by soluble 2-oxoglutarate-dependent dioxygenases, which is in contrast to the catalysis of fungal GA biosynthesis. This difference suggests that the origin of fungal GA biosynthesis is evolutionally independent of that in plants.

収録刊行物

  • Bioscience, biotechnology, and biochemistry  

    Bioscience, biotechnology, and biochemistry 70(3), 583-590, 2006-03-23 

    Japan Society for Bioscience, Biotechnology, and Agrochemistry

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各種コード

  • NII論文ID(NAID)
    10018533136
  • NII書誌ID(NCID)
    AA10824164
  • 本文言語コード
    ENG
  • 資料種別
    REV
  • ISSN
    09168451
  • NDL 記事登録ID
    7871760
  • NDL 雑誌分類
    ZR7(科学技術--農林水産--農産) // ZR2(科学技術--生物学--生化学) // ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z53-G223
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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