期刊
POLISH JOURNAL OF MICROBIOLOGY
卷 66, 期 2, 页码 223-233出版社
POLSKIE TOWARZYSTWO MIKROBIOLOGOW-POLISH SOCIETY OF MICROBIOLOGISTS
DOI: 10.5604/01.3001.0010.7839
关键词
Enterococcus sp from cheeses; antibiotic resistance of food borne enterococci bacteriocin production ability; virulence factors
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资金
- Suleyman Demirel University, Scientific Research Project Coordination Unit [3819-YL2-13]
The purpose of this study was to determine the antimicrobial activity and occurrence of bacteriocin structural genes in Enterococcus spp. isolated from different cheeses and also investigate some of their virulence factors. Enterococcus strains were isolated from 33 different cheeses. Enterococcus faecium (6 strains) and Enterococcus faecalis (5 strains) enterocin-producing strains were identified by 16S rDNA analyses. Structural genes entA, entB, entP and entX were detected in some isolates. Multiple enterocin structural genes were found in 7 strains. None of the tested enterococci demonstrated any beta-haemolytic activity and only one strain had gelatinase activity. Six strains showed multiple antibiotic resistance patterns and in addition, vanA and several virulence genes were detected in many strains. Only E. faecalis MBE1-9 showed tyrosine decarboxylase activity and tdc gene was detected only in this strain.
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