Open AccessBacteriophages effects on antibiotic sensitivity of Staphylococcus aureus
Author(s) -
Abdulameer M. Ghareeb
Publication year - 2011
Publication title -
maǧallaẗ markaz buḥūṯ al-taqniyyaẗ al-aḥyāʾiyyaẗ
Language(s) - English
Resource type - Journals
eISSN - 2708-1370
pISSN - 1815-1140
DOI - 10.24126/jobrc.2011.5.1.145
Subject(s) - microbiology and biotechnology , staphylococcus aureus , antibiotics , antibiotic sensitivity , plasmid , mannitol , coagulase , biology , agar , lysogenic cycle , staphylococcus , bacteria , streptomycin , antibiotic resistance , bacteriophage , dna , escherichia coli , genetics , biochemistry , gene
A total of 50 swab samples were collected from patients suffering from different infections. Morphological and biochemical characterization showed that 46% isolates were characterized as Staphylococcus aureus. All these isolates were able to grow on mannitol salt agar medium and ferment mannitol and sucrose. β- hemolysin, coagulase production and antibiotics sensitivity of S.aureus, before and after treatment with phage, was examined. It showed there is no change in the β- hemolysin and in the coagulase production but lysogenic phage effect the antibiotic sensitivity of S. aureusisolates significantly. In addition plasmid DNA was isolated from bacteria whose showed multiple antibiotic resistances. Large and small bands were obtained .Thereafter curing process had done to evaluate the plasmids content, it was found entire losing for the small plasmids, while the large plasmids remain intact. From this study, it can be concluded that S.aureusisolates found in wound at high percentage; moreover,S.aureus treated with phages effect the sensitivity patterns against antibiotics.