Bacteriocin production, plasmid content and plasmid location of enterocin P structural gene in enterococci isolated from food sources
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چکیده
منابع مشابه
Plasmid-Associated Bacteriocin Production in Lactobacillus Strains Isolated from Some Traditional Fermented Foods
Earlier report has shown the Lactobacilli isolates from some traditional fermented foods, LABB (appam batter) and LABP (vegetable pickle) to produce bacteriocins, inhibitory to a variety of spoilage and pathogenic organisms. In the present study, the plasmid profile, their curing and transformation experiments were carried out to deduce if the bacteriocins are plasmid mediated. Both the strains...
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The locations of the genetic determinants for enterocin L50 (EntL50A and EntL50B), enterocin Q (EntQ), and enterocin P (EntP) in the multiple bacteriocin producer Enterococcus faecium strain L50 were determined. These bacteriocin genes occur at different locations; entL50AB (encoding EntL50A and EntL50B) are on the 50-kb plasmid pCIZ1, entqA (encoding EntQ) is on the 7.4-kb plasmid pCIZ2, and e...
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Production of bacteriocin activity designated pediocin PA-1 was associated with the presence of a 6.2-megadalton plasmid in Pediococcus acidilactici PAC1.0. The bacteriocin exhibited activity against P. acidilactici, P. pentosaceus, Lactobacillus plantarum, L. casei, L. bifermentans, and Leuconostoc mesenteroides subsp. dextranicum. Partial characterization of pediocin PA-1 is described. The mo...
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متن کاملPlasmid content of some oral microorganisms isolated from subgingival plaque.
Eighty-five strains of bacterial species selected from the predominant cultivable dental plaque flora of patients with different periodontal pathologies were examined for their plasmid content. Microorganisms studied included: Actinomyces viscosus, A. odontolyticus, Bacteroides asaccharolyticus (B. gingivalis), B. melaninogenicus subspecies intermedius, and subspecies melaninogenicus, Capnocyto...
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ژورنال
عنوان ژورنال: Letters in Applied Microbiology
سال: 2006
ISSN: 0266-8254,1365-2673
DOI: 10.1111/j.1472-765x.2006.01865.x