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. 1991 Jun;57(6):1835-1837.
doi: 10.1128/aem.57.6.1835-1837.1991.

Bacteriocin-Producing Strain of Lactococcus lactis subsp. diacitilactis S50

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Bacteriocin-Producing Strain of Lactococcus lactis subsp. diacitilactis S50

M Kojic et al. Appl Environ Microbiol. 1991 Jun.

Abstract

Lactococcus lactis subsp. diacitilactis S50 produces a bacteriocin, designated bacteriocin S50, which has a narrow antibacterial spectrum. It was active only against Lactococcus species, including a nisin producer exhibiting a bactericidal effect. The activity of bacteriocin S50 was sensitive to proteases. It retained antimicrobial activity after being heated to 100 degrees C for up to 60 min and in the pH range 2 to 11.

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