Microbiology and Biotechnology Letters (한국미생물·생명공학회지)

The Korean Society for Microbiology and Biotechnology (한국미생물·생명공학회)
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Screening of Myxobacteria Inhibiting the Growth of Collectotrichum acutatum Causing Anthracnose on Pepper

고추탄저균 성장 억제 점액세균의 탐색

  • Chung, Jin-Woo (Myxobacteria Bank, Department of Biotechnology, Hoseo University) ;
  • Lee, Cha-Yul (Myxobacteria Bank, Department of Biotechnology, Hoseo University) ;
  • Yun, Sung-Chul (Department of Biomedical Science, SunMoon University) ;
  • Cho, Kyung-Yun (Myxobacteria Bank, Department of Biotechnology, Hoseo University)
  • 정진우 (호서대학교 생명공학과 점액세균은행) ;
  • 이차율 (호서대학교 생명공학과 점액세균은행) ;
  • 윤성철 (선문대학교 의생명과학과) ;
  • 조경연 (호서대학교 생명공학과 점액세균은행)
  • Published : 2008.03.28
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Abstract

As an effort to search new bacterial biocontrol agents against pepper anthracnose, we screened myxobacteria, which might inhibit the growth of Colletotrichum acutatum, the agent of that plant disease. When 93 myxobacterial strains including 59 Myxococcus spp. and 34 Corallococcus spp. were tested against C. acutatum ACYSJ001 on agar plates, 10 strains identified as the genus Myxococcus significantly obstructed the growth of C. acutatum, whereas the majority of strains belonging to the genus Corallococcus did not demonstrate any counteractive effect. Such results have indicated that the strains of the genus Myxococcus have a high potential to play roles of biocontrol agents for control of pepper anthracnose. These also have revealed that the strains of the genus Myxococcus could be used as excellent microbial resources for screening novel antifungal substances.

고추탄저병을 생물학적으로 방제할 수 있는 미생물을 얻기 위하여 고추탄저균 C. acutatum ACYSJ001의 성장을 억제하는 점액세균을 탐색하였다. Myxococcus속에 속하는 59균주와 Corallococcus 속에 속하는 34균주 등 총 93균주의 용균성 점액세균에 대해 고추탄저균인 C. acutatum ACYSJ001에 대한 성장 억제 활성을 조사한 결과, Corollococcus속에 속하는 대부분의 점액세균들이 C. acutatum ACYSJ001의 성장을 저해하지 않는 반면, Myxococcus속으로 동정된 10균주들은 C. acutatum ACYSJ001의 성장을 강하게 저해하는 것으로 나타났다. 이러한 결과는 Myxococcus속에 속하는 여러 점액세균들이 고추탄저병을 억제하는 미생물로서 활용될 수 있는 가능성이 높으며, 또한 새로운 항진균물질 탐색을 위한 좋은 생물연구소재임을 보여주었다.

Keywords

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