Stimulatory effect of indole-3-acetic acid on aerial mycelium formation and antibiotic production in Streptomyces spp.

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著者

    • Matsukawa Emi MATSUKAWA Emi
    • Division of Applied Biological Sciences, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi
    • Nakagawa Youji NAKAGAWA Youji
    • Division of Applied Biological Sciences, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi
    • HAYAKAWA Masayuki
    • Division of Applied Biological Sciences, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi

抄録

An investigation was conducted to explore the effect of the phytohormone indole-3-acetic acid (IAA) on cellular differentiation in streptomycetes. A total of 21 <I>Streptomyces</I> strains known to produce antibiotics were tested. IAA (1–20 μg/ml) in Bennett's agar markedly stimulated aerial mycelium formation and antibiotic production in 12 and 13 test strains, respectively. The stimulating effect of IAA was confirmed even in a submerged culture: production of an anthracycline group antibiotic, rhodomycin, by <I>S. purpurascens</I> NBRC 13077 cultured in oatmeal-MYM broth, was markedly enhanced by addition of IAA (20 μg/ml). mRNA differential display (RT-PCR) analysis revealed that expression of <I>rdmA</I>, <I>rdmB</I>, <I>rdmC</I>, <I>rdmD</I> and <I>rdmE</I>, all genes involved in rhodomycin production, was up-regulated by IAA treatment in <I>S. purpurascens</I>. These results suggest that IAA may act as a common regulating agent for sporulation and secondary metabolism in streptomycetes.

収録刊行物

  • 日本放線菌学会誌  

    日本放線菌学会誌 21(1), 32-39, 2007-06-25 

    The Society for Actinomycetes Japan

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各種コード

  • NII論文ID(NAID)
    10018921037
  • NII書誌ID(NCID)
    AN10080091
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09145818
  • NDL 記事登録ID
    8882174
  • NDL 雑誌分類
    ZR5(科学技術--生物学--菌類・微生物)
  • NDL 請求記号
    Z18-1070
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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