screening of actinomycetes from lipar area of oman sea to investigate the antibacterial compounds

Authors

mahsa shams department of biology, faculty of science, ferdowsi university of mashhad, mashhad, ir iran

bahar shahnavaz department of biology, faculty of science, ferdowsi university of mashhad, mashhad, ir iran; department of biology, faculty of science, ferdowsi university of mashhad, mashhad, ir iran. tel/fax: +98-5138762227

kiarash ghazvini department of microbiology, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran

toraj valinasab iranian fisheries research organization, tehran, ir iran

abstract

conclusions preliminary results indicate that the native iranian actinobacteria could be considered a suitable option for screening of the new antibacterial compounds. molecular research and antibacterial compound extraction against the aforementioned pathogenic strains are also being conducted. results based on the morphological characterization, 35 isolated cases belonged to actinomycetes and %94 of them had the ability to produce antibacterial compounds. in the cross streak method, most of the isolated bacteria have antibacterial activity against reference s. aureus among gram-positive bacteria and acinetobacter among gram-negative bacteria. inhibition zone diameters were measured between 2-25 and 1-20 mm for gram-positive and -negative bacteria, receptivity. materials and methods a total of 35 actinomycetes were isolated from oman sea (lipar area). to investigate antibacterial activity, the isolated actinomycetes were assessed against reference and pathogenic bacteria, including staphylococcus epidermidis, staphylococcu intermedius, staphylococcu chromogenes, staphylococcu saprophyticus, bacillus cereus and methicillin-resistance staphylococcu aureus, pseudomonas, listeria, klebsiella, salmonella, acinetobacter, and escherichia coli o157:h7, using the cross streak method. background actinomycetes are one of the most important sources for the production of antibacterial compounds. marine environments, due to their unique characteristics, are considered a good option to search for bacteria with the capability of producing antimicrobial compounds. objectives the purpose of this study was to isolate the actinomycetes producing antibacterial compounds.

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Journal title:
avicenna journal of clinical microbiology and infection

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