한국미생물·생명공학회지 (Microbiology and Biotechnology Letters)

  • 제22권1호
  • /
  • Pages.7-12
  • /
  • 1994
  • /
  • 1598-642X(pISSN)
  • /
  • 2234-7305(eISSN)
한국미생물·생명공학회 (The Korean Society for Microbiology and Biotechnology)
권호 표지

Streptococcus salivarius subsp. thermophilus가 생산하는 Bacteriocin의 특성

Characteristics of the Bacteriocin Produced from Streptococcus salivarius subsp. thermophilus

  • 이장혁 (고려대학교 자연자원대학 유전공학과) ;
  • 장효일 (고려대학교 자연자원대학 유전공학과)
  • 발행 : 1994.02.01
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초록

One bacterial strain, that had made the largest inhibition zone at the antagonism assay and also that lost the inhibition activity by the protease treatment, was isolated from raw milk. That strain was identified as Streptococcus salivarius subsp. thermophilus. The specific growht rate of this strain was maximum at 45$\circ $C. However, at this temperature the strain produced no bacteriocin. The bacteriocin activity was quite stable even at high temperature. Moreover, the activity of the vacteriocin was sensitive to proteases. but not to $\alpha $-amylase, DNase I, or RNase.

키워드

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