ANTIMICROBIAL EFFECTS OF ZINC IN S. AUREUS STRAINS RESISTANT AND SENSITIVE TO BENZALKONIUM CHLORIDE AND HOLDER SMR GENE ISOLATED FROM CLINICAL AND DAIRY SAMPLES

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DADOUK M.; ASHKAR SH.; MEHRABIAN S.; BIGLARYAN M.; ZAMANIAN AZODI M.; ZALI H.; AMINI SH.; VALADBIGI H.

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Journal: JOURNAL OF ILAM UNIVERSITY OF MEDICAL SCIENCES Year:2013 | Volume:21 | Issue:2 Page(s): 129-137

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Title

ANTIMICROBIAL EFFECTS OF ZINC IN S. AUREUS STRAINS RESISTANT AND SENSITIVE TO BENZALKONIUM CHLORIDE AND HOLDER SMR GENE ISOLATED FROM CLINICAL AND DAIRY SAMPLES

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Keywords

STAPHYLOCOCCUS AUREUSQ2

SMRQ2

ZN-SO4Q2

Abstract

Introduction: Given the importance of zinc metal (zn+2) as an essential element in boilogical systems and the toxic effects of metals, on the other hand, and the emergence of strains of STAPHYLOCOCCUS AUREUS (S.aureus) SMR+ resistant to tetravalent ammonium compounds (QACs) due to widespread use of materials containing Biocide QACs led to compare the sensitivity of S. aureus strains resistant to zinc and those strains having the biocide benzalkonium chloride and SMR genes.Materials & Methods: S. aureus strains isolation from dairy and clinical samples was performed by using of mannitol-saltagar medium at 37oC for 48 hours and the strains was identified with morphological and biochemical methods. The SMR gene was investigated by PCR and the minimum inhibitory concentration (MIC) of zinc for the bacterial strains was determined using broth microdilution.Findings: 20 strains of S. aureus were selectively isolated from 40 samples of dairy and clinical. SMR genes were observed in all S. aureus strains resistant to the biocide benzalkonium chloride. The MIC concentration was reported to be ppm 20.Discussion & Conclusion: The results showed that the growth of all strains of S. aureus, that is, the susceptible and the resistant to benzalkonium biocide zinc chloride substance is inhibited in 20 ppm concentration of zinc and the presence of SMR gene has no effect on resistance to zinc.

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APA: Copy

DADOUK, M., ASHKAR, SH., MEHRABIAN, S., BIGLARYAN, M., ZAMANIAN AZODI, M., ZALI, H., AMINI, SH., & VALADBIGI, H.. (2013). ANTIMICROBIAL EFFECTS OF ZINC IN S. AUREUS STRAINS RESISTANT AND SENSITIVE TO BENZALKONIUM CHLORIDE AND HOLDER SMR GENE ISOLATED FROM CLINICAL AND DAIRY SAMPLES. JOURNAL OF ILAM UNIVERSITY OF MEDICAL SCIENCES, 21(2), 129-137. SID. https://sid.ir/paper/90492/en

Vancouver: Copy

DADOUK M., ASHKAR SH., MEHRABIAN S., BIGLARYAN M., ZAMANIAN AZODI M., ZALI H., AMINI SH., VALADBIGI H.. ANTIMICROBIAL EFFECTS OF ZINC IN S. AUREUS STRAINS RESISTANT AND SENSITIVE TO BENZALKONIUM CHLORIDE AND HOLDER SMR GENE ISOLATED FROM CLINICAL AND DAIRY SAMPLES. JOURNAL OF ILAM UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2013;21(2):129-137. Available from: https://sid.ir/paper/90492/en

IEEE: Copy

M. DADOUK, SH. ASHKAR, S. MEHRABIAN, M. BIGLARYAN, M. ZAMANIAN AZODI, H. ZALI, SH. AMINI, and H. VALADBIGI, “ANTIMICROBIAL EFFECTS OF ZINC IN S. AUREUS STRAINS RESISTANT AND SENSITIVE TO BENZALKONIUM CHLORIDE AND HOLDER SMR GENE ISOLATED FROM CLINICAL AND DAIRY SAMPLES,” JOURNAL OF ILAM UNIVERSITY OF MEDICAL SCIENCES, vol. 21, no. 2, pp. 129–137, 2013, [Online]. Available: https://sid.ir/paper/90492/en

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