한국미생물·생명공학회지 (Microbiology and Biotechnology Letters)

  • 제35권4호
  • /
  • Pages.357-363
  • /
  • 2007
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  • 1598-642X(pISSN)
  • /
  • 2234-7305(eISSN)
한국미생물·생명공학회 (The Korean Society for Microbiology and Biotechnology)
권호 표지

식물뿌리내부에 존재하는 지베렐린 생산균 분리와 동정

Isolation and Identification of Fungal Strains Producing Gibberellins from the Root of plants

  • Rim, Soon-Ok (Department of Microbiology, Kyungpook National University) ;
  • Lee, Jin-Hyung (Department of Microbiology, Kyungpook National University) ;
  • Khan, Sumera Afzal (Department of Microbiology, Kyungpook National University) ;
  • Lee, In-Jung (Department of Agromony, Kyungpook National University) ;
  • Rhee, In-Koo (Department of Agricultural Chemistry, Kyungpook National University) ;
  • Lee, Kyung-Soo (Division of Food, Beverage and Culinary Art, Yeungnam College of Science and Technology) ;
  • Kim, Jong-Guk (Department of Microbiology, Kyungpook National University)
  • 발행 : 2007.12.28
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초록

249 fungal strains were isolated from the roots of 26 plants, and the production of GAs was spectrophotometric ally examined. As a result 76 fungal strains were shown to produce GAs. Bioassay of culture broth from seventy six fungal strains producing GAs was carried out with waito-c rice, that is dwarf rice. The seventy six fungi with GAs-producing activity were incubated for seven days in 40 mL of Czapek's liquid medium at $30^{\circ}C$ and 180 rpm, and the culture broth of fungi were treated on the 2-leaf rice sprout. Fifteen of these showed plant growth promoting activity and the amount of each GAs in the medium was measured by Gas chromatographymass spectrometer (GC-MS). Nine of these fungi were also identified by genetic analysis of the nucleotide sequences in the internal transcribed spacer region of the ribosomal DNA.

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참고문헌

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