Pyricularia oryzae의 성장을 억제하는 물질을 생산하는 Streptomyces sp. NA-52의 분리 및 동정

  • Yoon, Won-Ho (Department of Food Processing, Seoil Junior College) ;
  • Lim, Dae-Seog (Laboratory of Molecular Cell Biology, Animal Resources Research Center, Konkook University) ;
  • Lee, Myung-Sub (Laboratory of Molecular Cell Biology, Animal Resources Research Center, Konkook University) ;
  • Kim, Chang-Han (Laboratory of Molecular Cell Biology, Animal Resources Research Center, Konkook University)
  • 윤원호 (서일전문대학 식품가공학과) ;
  • 임대석 (건국대학교 동물자원연구센터 분자세포생물학교실) ;
  • 이명섭 (건국대학교 동물자원연구센터 분자세포생물학교실) ;
  • 김창한 (건국대학교 동물자원연구센터 분자세포생물학교실)
  • Published : 1997.12.01


The aim of the present research program was to isolate a strain of actinomycetes producing antifungal substance. Soil samples were collected from various sites in Korea and a number of actinomycetes were isolated from the soil samples by applying selective agar for actinomycetes. Among isolates, a strain (NA -52) producing antifungal substance against Pyricularia oryzae was selected. Chemotaxonomic and numerical identification were carried out for the isolate. Fifty taxonomic unit characters were tested and the data were analyzed numerically using TAXON program. The isolate was identified as a synonym of streptomyces diastaticus belong to cluster No. 19 (Streptomyces diastaticus). But it showed a low similarity to S. diastaticus in simple matching coefficients, hence it was considered as one new species in Streptomyces.


Antifungal antibiotic;Numerical identification;Streptomyces diastaticus;Pyricularia oryzae


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