Diversity of bacteriocinogenic lactic acid bacteria isolated from boza, a cereal-based fermented beverage from Bulgaria

被引：49
|
作者：
Todorov, Svetoslav D. [1 ,2 ]
机构：
[1] Univ Sao Paulo, Fac Ciencias Farmaceut, Dept Alimentos & Nutr Expt, Lab Microbiol Alimentos, BR-05508000 Sao Paulo, Brazil
[2] Univ Stellenbosch, Dept Microbiol, ZA-7600 Stellenbosch, South Africa
来源：
FOOD CONTROL | 2010年 / 21卷 / 07期
关键词：
Boza; Lactobacillus plantarum; Leuconostoc locus; Enterococus faecium; Bacteriocin; Lactic acid bacteria; AMYLASE-SENSITIVE BACTERIOCIN; LACTOBACILLUS-PLANTARUM; STARTER CULTURES; SUBLETHAL CONCENTRATIONS; PCR ASSAY; SUBSP; PURIFICATION; SEQUENCE; GROWTH; MODE;
D O I：
10.1016/j.foodcont.2009.12.020
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
The aim of this study was to isolate new bacteriocin-producing lactic acid bacteria from boza and to compare the bacteriocins with those previously described for strains isolated from the same niche. Five bacteriocin-producing lactic acid bacteria (Lactobacillus plantarum ST69BZ, Enterococcus faecium ST62BZ and Leuconostoc lactis ST63BZ, ST611BZ and ST612BZ) were isolated from boza. The bacteriocins of all five isolates inhibited the growth of Enterococcus spp., Escherichia cell, Klebsiella pneumoniae, Lactobacillus spp., Lactococcus lactis subsp. lactis, Listeria spp., Pseudomonas aerouginosa, Staphylococcus spp. and Streptococcus caprinus. The mode of activity of bacteriocins ST69BZ, ST62BZ, ST63BZ, ST611BZ and ST612BZ is bactericidal, as determined against E. faecium HKLHS and L. sakei DSM 20017, respectively. Two of the five studied bacteriocinogenic strains (ST69BZ and ST612BZ) exhibit activity against some fungal cultures. A synergetic effect between bacteriocins ST69BZ, ST62BZ, ST63BZ, ST611BZ and ST612BZ and ciprofloxacin were registered. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1011 / 1021
页数：11
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