Microbiology and Biotechnology Letters (한국미생물·생명공학회지)

The Korean Society for Microbiology and Biotechnology (한국미생물·생명공학회)
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Isolation and Identification of Microorganism with Potent Fibrinolytic Activity from Korean Traditional Deonjang

재래식 된장으로부터 혈전용해활성을 나타내는 세균의 분리 및 동정

  • Published : 2005.03.01
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Abstract

A bacterial strain D­1 found to have potent fibrinolytic activity was isolated from Korean traditional Doenjang. It was identified as Bacillus sp. based on its 16S rRNA sequence analysis, morphological and physiological characteristics.

전통 된장으로부터 단백질 분해능이 있으면서 혈전용해활성이 우수한 D-1 균주를 분리하였다. 분리된 D-1 균주는 표준물질인 plasmin 2.51 $\mu}g$과 같은 혈전용해효소활성을 보였으며 이 균주를 동정하기 위하여 세포막 지방산 조성 분석과 탄수화물 이용성을 조사한 결과 김 등[12], 허 등[7] 청국장에서 혈전용해효소활성을 보이는 균주로 보고된 Bacillus subtilis로 유사하게 나타났다. 탄수화물 이용성, 세포막 지방산 분석 그리고 16S rRNA sequence를 통하여 Bacillus속으로 동정 할 수 있었고, 이에 된장으로부터 분리한 혈전용해효소를 생산하는 D-1균주를 최종적으로 Bacillus sp. D-1으로 명명하였으며 앞으로 이 균주를 이용하여 혈전용해효소를 함유하는 기능성 된장과 청국장 제조에 큰 효과를 보일 것으로 기대된다.

Keywords

References

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