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:: Volume 3, Issue 3 (Winter 2014) ::
J. Aqu. Eco. 2014, 3(3): 24-19 Back to browse issues page
Antimicrobial activity of Cyanobacteria isolated from hot spring of Geno
Mitra Arman * , Hosein Riyahi , Fatemeh Heidari , Ali Sonboli
Abstract:   (3294 Views)
Cyanobacteria, the blue green algae are one of the most diverse groups of Gram-negative photosynthetic prokaryotes widely distributed throughout the world. Cyanobacteria are known to produce a wide range of secondary metabolites with various biological actions. The aim of this study was to test extracts from various cyanobacteria isolated from Geno hot spring, Bandar Abbas (Iran) against a diverse range of organisms comprising Gram-positive and Gram-negative bacteria and yeasts to evaluate its antibacterial and antifungal activities. Seven species namely Oscillatoria subbrevis, O. tenuis, O. limentica, O. angusta, O. articulate, Synechocystis aquatilis and Synechoccous cerdorum were selected for the production of antimicrobial agents against five Gram-positive and three Gram-negative bacteria, and two fungi. The results of this study showed that the methanol extracts exhibited high antimicrobial activity against some Gram positive bacteria (Bacillus subtilis and B. pumulis), moderate antibacterial activity against the some Gram negative organisms (Escherichia coli) and moderate antifungal activity against some fungi (S. cerevisiae).
Keywords: Cyanobacteria, Hot Spring, Extract, Geno
Full-Text [PDF 395 kb]   (1716 Downloads)    
Type of Study: Research | Subject: Special
Received: 2015/01/3 | Accepted: 2015/01/3 | Published: 2015/01/3
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Arman M, Riyahi H, Heidari F, Sonboli A. Antimicrobial activity of Cyanobacteria isolated from hot spring of Geno. J. Aqu. Eco.. 2014; 3 (3) :24-19
URL: http://jae.hormozgan.ac.ir/article-1-64-en.html


Volume 3, Issue 3 (Winter 2014) Back to browse issues page
نشریه علمی بوم شناسی آبزیان Journal of Aquatic Ecology
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