• 제목/요약/키워드: Streptococcus salivarius subsp. Thermophilus bacteriocin

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Streptococcus salivarius subsp. thermophilus가 생산하는 Bacteriocin의 특성 (Characteristics of the Bacteriocin Produced from Streptococcus salivarius subsp. thermophilus)

  • 이장혁;장효일
    • 한국미생물·생명공학회지
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    • 제22권1호
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    • pp.7-12
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    • 1994
  • 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.

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