Microbiology and Biotechnology Letters (한국미생물·생명공학회지)

The Korean Society for Microbiology and Biotechnology (한국미생물·생명공학회)
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Antifumgal Activity and Identification of an Actinomycetes Strain Isolated from Mummified Peaches

복숭아 미이라과로부터 분리한 방선균의 항균 활성 및 동정

  • 임태헌 ((주)대유식물영양연구소) ;
  • 이정목 ((주)대유식물영양연구소) ;
  • 장태현 ((주)대유식물영양연구소) ;
  • 차병진 (충북대학교 농생물학과)
  • Published : 2000.06.01
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Abstract

Antifungal Activity and Identification of an Actinomycetes Strain Isolated from Mummified Peaches. Lirn, Tae Heon*, Jung Mok Lee, Tae Hyun Chang, and Byeongjin Chal. *Research Institute of Plant Nutrient, Oaeyu Co, Inc. Kyongsan 712-820, Korea, 1 Department of Agricultural Bi%g'f Chungbul< NatJ"onal Univershy, Cheongju 367-763, Korea - An actinomycetes strain which produced chitinase, urease, and antifungal substances to MoniliniaJhtcticola was isolated from peaches mununified by Moniliniafructicola. The strain TH-04 was identified as Streptomyces sp. based on cultural and lTIOIphological characteristics, cell wall diaminopimelic acid, and sugar patterns ofwhole~cell extracts. Streptomyces sp. TH~04 showed antifungal activity to several fungi including Moniliniafructicola, Colletotrichum gloeosporioides, Magnaponhe grisea, Rhizoctonia solani, Phytophthora capsici, Altemaria kikuchiana, Fusarium solani, and Fusarium O),ysporum. The optimum cultural conditions for the production of antifungal substances were $20^{\circ}C$pH 7, and 7 days.

Monilinia fructicola에 의해 감염되어 미이라화된 복숭아 열매로부터 Monilinia fructicola에 강한 항진균성 물질 chitinase 및 urease을 분비하는 방선균을 분리하였다 선발된 TH-04 균주는 배양적 .형태적 특성 세포벽 성분 및 세포내 당 성분을 분석한 결과 전형적인 Streptomyces속에 속하는 방선균으로 동정되었다. TH-04 균주는 Monilinia fructicola Colletotrichum gloeosporioides Magnaporthe grisea Rhizoctonia solani, Phytophthora capsici, Alternaria kikuchi-ana, Fusarium solani 및 Fusarium oxysporum 등 8종의 식물병원균에 대하여 항진균 활성을 나타냈다. 항생물질 생산을 위한 배양조건은 온도 $20^{\circ}C$, pH 7 및 배양기간 7일로 확인되었다.

Keywords

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