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Pharm Sci. 2015;21(2): 72-76.
doi: 10.15171/PS.2015.20

Scopus ID: 84945403136
  Abstract View: 1473
  PDF Download: 721

Original Research

Evaluation of Bacteriocin Activities among Enterococcal Poultry Isolates from East Azarbaijan Iran

Vahid Javaherzadeh 1, Mahmood Jamshidian 1, Mohammadtaghi Zahraei 1, Arash Youseftabar 2, Morteza Milani 2, Maryam Hassan 3, Farzaneh Lotfipour 2*

1 Science and Research Branch, Islamic Azad University, Tehran, Iran
2 Gastrointestinal and Liver Disease Research Center and Faculty of Pharmacy , Tabriz University of Medical Sciences, Tabriz, Iran
3 Faculty of Pharmacy , Znjan University of Medical Sciences, Tabriz, Iran
*Corresponding Author: Email: farzaneh.lotfipour@gmail.com

Abstract

The objectives of the study were to isolate and characterize the bacteriocin producing enterococci in 30 enterococcal poultry isolates from north-west of Iran and to determine the prevalence of bacteriocin structural genes among them. Methods: The obtained isolates were assessed for antibacterial action against 6 indicator strains. The PCR method was applied to detect previously identified enterocin genes. Results: Based on our results 4 (13.3%) of the examined poultry enterococcal isolates were considered as potential bacteriocinogenic strains, all of them identified to be Enterococcus faecium via phenotypic and genotypic examinations. At least one of the detected Bac+ isolates had antibacterial activities against Bacillus cereus, Listeria monocytogenes, Enterococcus faecalis and Enterococcus hirea with no activity against Escherichia coli or Staphylococcus aureus. Conclusion: Genes encoding Enterocin A and enterocin LA50A/B are fairly distributed among the studied poultry enterococci.
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Submitted: 31 May 2015
Accepted: 06 Jun 2015
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