한국미생물·생명공학회지 (Microbiology and Biotechnology Letters)

  • 제27권6호
  • /
  • Pages.458-465
  • /
  • 1999
  • /
  • 1598-642X(pISSN)
  • /
  • 2234-7305(eISSN)
한국미생물·생명공학회 (The Korean Society for Microbiology and Biotechnology)
권호 표지

Streptomyces luteogriseus KT-10에 의한 Cathepsin B 저해물질의 발효생산

Production of Cathepsin B Inhibitor by Steptomyces luteogriseus KT-10

  • 한길환 (영남대학교 자연자원대학 응용미생물학과) ;
  • 김상달 (영남대학교 자연자원대학 응용미생물학과)
  • 발행 : 1999.12.01
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초록

Streptomyces luteogriseus KT-10 isolated from Korean farm soil produced a strong cathepsin B inhibitor. Optimal conditions for the cathepsin B inhibitor production by s. luteogriseus KT-10 were evaluated. The cathepsin B inhibitor was produced with maximal yield in the cultural condition of pH 7.0 and $25^{\circ}C$ for 4 days. Optimal medium for the cathepsin B inhibitor production was determined to be a medium containing 20g, peptone 3g, yeast extract 1g, K2HPO4 0.5g, MgSO4.7H2O 0.5g, NaNO3 0.5g, NaCl 0.5g per l. The cathepsin B inhibitor produced by S. luteogriseus KT-10 could also inhibit the other proteinases such as trypsin, papain, and cathepsin D.

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참고문헌

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