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:: Volume 22, Issue 3 (Iranian South Medical Journal 2019) ::
Iran South Med J 2019, 22(3): 150-159 Back to browse issues page
Antibacterial Effect Leaf Extract of Avicennia marina on Standard and Clinical Strains of Acinetobacter baumannii
Mehdi Mahmudpour1 , Azam Askari2, Forough Yousefi 3
1- The Persian Gulf Tropical Medicine Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran
2- Department of Microbiology and Parasitology, School of Medicine,Bushehr University of Medical Sciences, Bushehr, Iran
3- Department of Microbiology and Parasitology, School of Medicine,Bushehr University of Medical Sciences, Bushehr, Iran , F.yousefi@gmail.com
Abstract:   (1884 Views)
Background: Acinetobacter baumannii is an opportunistic pathogen and a nosocomial infection agent. Antibiotic resistance in this organism results in serious health problem such as treatment failure and
increased mortality. Mangrove plants, especially Avicennia marina, are a potential bioresource for new drugs as they have been used in traditional medicine. This study aimed to investigate antibacterial effects of A.marina leaf extract on standard and clinical stains of A.baumannii in vitro.
Materials and Methods: A.marina leaves were dried in outdoor shade and ground. Then glycerin extract was provided at a concentration of 200 µg/ml and its antibacterial properties were assessed on standard strain and carbapenem-resistant clinical isolates of A.baumannii using agar well diffusion method. Minimal inhibitory concentration (MIC) and minimal bactericidal concentration (MBC) were determined.
Results: A. marina leaf extract had a significant antibacterial effect on all 6 strains at a concentration of 100 µL in agar well diffusion method. MICs were 25µg/ml in all strains. MBCs were 12.5µg/ml in standard strains. The most resistant strain against the extract was cefepime-resistant clinical strain.
Conclusion: A. marina leaf crude extract had significant antibacterial effects on standard and
carbapenem-resistant clinical isolates of A. baumannii.
Keywords: Avicannia marina, Acinetobacter baumannii, antibacterial effect, MIC, MBC.
Full-Text [PDF 587 kb]   (526 Downloads)    
Type of Study: Original | Subject: Microbiology and Immunology
Received: 2019/03/13 | Accepted: 2019/05/5 | Published: 2019/07/1
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Mahmudpour M, Askari A, Yousefi F. Antibacterial Effect Leaf Extract of Avicennia marina on Standard and Clinical Strains of Acinetobacter baumannii. Iran South Med J. 2019; 22 (3) :150-159
URL: http://ismj.bpums.ac.ir/article-1-1094-en.html

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Volume 22, Issue 3 (Iranian South Medical Journal 2019) Back to browse issues page
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