DETECTION OF VIRULENCE (ETA, ETB AND TST) AND ANTIBIOTIC RESISTANCE (MECA) GENES IN STAPHYLOCOCCUS AUREUS STRAINS ISOLATED FROM CLINICAL SAMPLES USING MULTIPLEX-PCR METHOD

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MOHAMMAD JANI FATEMEH; AMINI KUMARSS

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Journal: Payavard Salamat Year:2018 | Volume:11 | Issue:6 Page(s): 610-617

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Title

DETECTION OF VIRULENCE (ETA, ETB AND TST) AND ANTIBIOTIC RESISTANCE (MECA) GENES IN STAPHYLOCOCCUS AUREUS STRAINS ISOLATED FROM CLINICAL SAMPLES USING MULTIPLEX-PCR METHOD

Author(s)

MOHAMMAD JANI FATEMEH | AMINI KUMARSS | Issue Writer Certificate

Keywords

S. AUREUSQ1

VIRULENCEQ1

RESISTANCEQ1

MULTIPLEX PCRQ1

Abstract

Background and Aim: Staphylococcus aureus produces many VIRULENCE factors, including toxins, immune-modulatory factors, and exoenzymes. The study was performed to determine VIRULENCE and RESISTANCE-related factorset A, et B, tst, mec A and fem A in the S. AUREUS isolated from clinical samples using MULTIPLEX PCR.Materials and Methods: In this cross - sectional study, a total 60 S. AUREUS were collected from the Shariati hospital in Tehran, Iran. Susceptibility test to several antimicrobial agents was performed by disk diffusion agar based on clinical and laboratory standard institute guidelines. After DNA extraction, the multiplex-PCR amplification of theet A, et B, tst, mec A and fem A was performed in all the clinical isolates.Results: In this study, all isolates (100%) were positive for the presence of femA gene. The highest and lowest RESISTANCE rate were related to erythromycin and cefoxitin, respectively.33.3% (n; 20) and 43.3% (n; 26) of isolates carried in order etb and tst genes. All strains were negative for the eta gene.Conclusion: Our results showed that, among many VIRULENCE factors produced by S. AUREUS, etb, tst play an important role in the pathogenesis of staphylococcal infections. Results suggested that identification of MRSA strains to be done using cefoxitin disk (in comparison of oxacillin) or PCR formec A gene.

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APA: Copy

MOHAMMAD JANI, FATEMEH, & AMINI, KUMARSS. (2018). DETECTION OF VIRULENCE (ETA, ETB AND TST) AND ANTIBIOTIC RESISTANCE (MECA) GENES IN STAPHYLOCOCCUS AUREUS STRAINS ISOLATED FROM CLINICAL SAMPLES USING MULTIPLEX-PCR METHOD. PAYAVARD-SALAMAT, 11(6 ), 610-617. SID. https://sid.ir/paper/149730/en

Vancouver: Copy

MOHAMMAD JANI FATEMEH, AMINI KUMARSS. DETECTION OF VIRULENCE (ETA, ETB AND TST) AND ANTIBIOTIC RESISTANCE (MECA) GENES IN STAPHYLOCOCCUS AUREUS STRAINS ISOLATED FROM CLINICAL SAMPLES USING MULTIPLEX-PCR METHOD. PAYAVARD-SALAMAT[Internet]. 2018;11(6 ):610-617. Available from: https://sid.ir/paper/149730/en

IEEE: Copy

FATEMEH MOHAMMAD JANI, and KUMARSS AMINI, “DETECTION OF VIRULENCE (ETA, ETB AND TST) AND ANTIBIOTIC RESISTANCE (MECA) GENES IN STAPHYLOCOCCUS AUREUS STRAINS ISOLATED FROM CLINICAL SAMPLES USING MULTIPLEX-PCR METHOD,” PAYAVARD-SALAMAT, vol. 11, no. 6 , pp. 610–617, 2018, [Online]. Available: https://sid.ir/paper/149730/en

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