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Agr Typing Of Staphylococcus Aureus Species Isolated From Clinical Samples In Training Hospitals Of Isfahan And Shahrekord

Saeid Javdan, Tahmine Narimani, Milad Shahini Shams Abadi, Abolfazl Gholipour
Published 2019 · Medicine
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ObjectiveAs an opportunistic pathogen, Staphylococcus aureus is associated with serious nosocomial infections and growing antimicrobial resistance against beta-lactams among S. aureus strains has become a global challenge. The current study was designed to investigate the presence of agr genes among S. aureus strains recovered from clinical samples in university hospitals of Isfahan and Shahrekord.ResultsA total of 150 S. aureus isolates were screened by Disk diffusion method (DDM) and conventional PCR. The minimum (17.3%) and maximum (46%) antibiotic resistance rates were found in vancomycin and cefoxitin, respectively. The majority of our isolates were classified as agr type I followed by type II, type IV, and type III. The statistical analysis showed a significant correlation between agr type I and antibiotic resistance against cefoxitin and erythromycin (p = 0.04 and p = 0.03, respectively). Based on our findings, the agr typing could be considered an effective approach for molecular tracking of S. aureus infections.
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