Microbiology and Biotechnology Letters (한국미생물·생명공학회지)

The Korean Society for Microbiology and Biotechnology (한국미생물·생명공학회)
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Screening of Bacillus sp. No. M-71 with High Alkaline Protease Productivity and Some Properties of the Enzyme

Alkaline Protease 고 생산성 세균의 선별 및 효소 특성

  • 오성훈 (태평양화학㈜ 기술연구소 발효공학연구실) ;
  • 오평수 (태평양화학㈜ 기술연구소 발효공학연구실)
  • Published : 1991.02.01
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Abstract

A bacterial strain No.71, which produced alkaline protease, was isolated from soil and identified to the genus Bacillus. With the successive mutation, a mutant strain No. M-71, having high alkaline protease productivity, was obtanined from the parental strain No 71. Alkaline protease productivity of mutant strain No. M-71 was about 50 times as much as that of the parental strain No.71. The enzyme preparations showed strong activities toward casein, the optimum pH being 11.0 and the optimum temperature about $55^{\circ}C$.

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