Abstract:
:BLIS 213, is a bacteriocin-like inhibitory substance produced by Carnobacterium piscicola 213. It is active against Carnobacterium, Enterococcus and Listeria spp. No activity was observed against tested Lactobacillus, Lactococcus, Leuconostoc and Pediococcus strains, nor against Gram-negative bacteria. The BLIS 213 activity was inactivated by several proteolytic enzymes. It was heat resistant (121 degrees C for 20 min), and stable over a pH range of 2-8. Activity was determined by a dilution micromethod; it was increased after SDS treatment. A mutant strain which lacks bacteriocin production was isolated and designated as Carnobacterium piscicola 213a. It had the same phenotypic and biochemical properties as the parent strain, and was not sensitive to bacteriocin activity. The apparent molecular weight of the bacteriocin in the crude extract was greater than 10 kDa. It was about 6 kDa after SDS-PAGE of a partially purified bacteriocin by adsorption on producer cells. The isoelectric point of the BLIS 213 was around 9.3.
journal_name
J Ind Microbiol Biotechnoljournal_title
Journal of industrial microbiology & biotechnologyauthors
Khouiti Z,Simon JPdoi
10.1038/sj.jim.2900412subject
Has Abstractpub_date
1997-07-01 00:00:00pages
28-33issue
1eissn
1367-5435issn
1476-5535journal_volume
19pub_type
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