Havaei S A, Satari M, Oshaghi M, Hashemi Shahraki A. The effect of Sub-Minimum Inhibitory Concentration (S-MIC) of ciprofloxacin & ampicillin on hemolysin activity of Escherichia coli . Iran J Med Microbiol 2008; 2 (1) :53-58
URL:
http://ijmm.ir/article-1-106-en.html
1- Department of Microbiology , Isfahan University of Medical Sciences , havaei @med.mui.ac.ir
2- Department of Microbiology, School of Medical Sciences, Tarbiat Modarres University, Tehran, Iran.
3- Department of Microbiology , Isfahan University of Medical Sciences
Abstract: (15711 Views)
Background and objectives: Sub-minimum inhibitory concentration (S-MIC) can induce changes in
morphology, virulence factors and biochemical properties ofbacterial pathogens. The goal of this study is to
determine the Sub-MIC effect of ciprofloxacin and ampicillin on the haemotytic activity of E. coli.
Material and Methods:Two clinical isolates of E. coli with high heamolytic activity was selected. Changes
in haemolytic activity of the isolates was assessed after exposing them to MIC and Sub-MIC of ciprofloxacin
and ampicillin.
Results: Ciprofloxacin decreased haemolytic activity at 1/2, 1/4 and 1/8 Sub-Mic, whereas ampicillin
showed no effect on haemolytic activity.
Conclusion: We conclude that Sub-MIC concentrations of ciprofloxacin decreased the haemolytic activity
of E. coli, wherease ampicillin had no such effect
Type of Study:
Original Research Article |
Subject:
Medical Bacteriology Received: 2013/11/14 | Accepted: 2013/11/14 | ePublished: 2013/11/14