THE ANTIMICROBIAL ACTIVITY OF BACTERIOCIN FROM PSEUDOMONAS FLUORESCENS AGAINST PATHOGENIC BACTERIA | ||
| basrah journal of science | ||
| Article 1, Volume 32, Issue 2, December 2014, Pages 206-213 PDF (0 K) | ||
| Authors | ||
| ; ; ; ; ; | ||
| Abstract | ||
| In this study four isolates of Pseudomonas fluorescens were tested for bacteriocin production by the agar block method. Clinical bacterial isolates like; Aeromonas hydrophilia, Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Salmonella typhi, Staphylococcus aureus, Streptococcus faecalis and Vibrio cholerae(enaba) were used as indicator isolates. All the isolates were positive as produce with a wide range effect on gram positive and negative bacterial growth, with diameter (8-21) mm.The results showed that Pseudomonas fluorescens P1 inhibit the bacterial growth of the tested isolates with a range of inhibition zone (8-18) mm. except Vibrio cholerae(enaba) while P2 inhibit the bacterial growth of the tested isolates and the range of inhibition zone was (7-21) mm . except Vibrio cholerae(enaba) and Streptococcus faecalis .On the other hand P3 inhibit the growth of the isolates with a zone of inhibition between (10-16) mm. except Streptococcus faecalis and Klebsiella pneumoniae .The isolate P4 inhibited the growth of all the tested isolates with a range of inhibition zone between (8-19) mm. Escherichia coli was the most affected bacteria by bacteriocin of P. fluorescens, followed by Salmonella typhi , Staphylococcus aureus , Streptococcus faecalis, Klebsiella pneumoniae , Vibrio cholerae(enaba) and Pseudomonas aeruginosa | ||
| Keywords | ||
| pseudomonas fluorescens; antimicrobial activity; Pathogenic bacteria | ||
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