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Title

Evaluation of Antibacterial Activity of Zataria multifl ora Against the Expression of icaADB and aap Gene and Biofi lm Formation in Staphylococcus epidermidis

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Abstract

 Background: This study aimed at evaluating the eff ect of the extract and essential oil of Zataria multifl ora on reducing phenotypes and genotypes of biofi lm formation in clinical isolates of Staphylococcus epidermidis. Methods: The ability to produce biofi lm was evaluated by microtiter plate (MtP) for phenotype and through the presence of icaADB and aap by PCR for genotype among the 153 clinical isolates of Staphylococcus epidermidis. The impact of ethanol extract and essential oil of Zataria multifl ora were measured on biofi lm formation in phenotypic evaluation based on MtP and on the expression of ica operon and aap by real time-PCR. Results: The results showed that 71. 2% of isolates were able to produce biofi lms. The PCR results showed that 52. 2% and 88. 9% of the isolates had icaABD and aap, respectively. In addition, the relative mRNA expression of icaA, icaD, and aap genes were signifi cantly reduced compared to the negative control after treating the Staphylococcus epidermidis RP62A with subMIC concentration of essential oil and extract (P < 0. 001). Conclusions: Given the signifi cant inhibitory eff ect of the extract and essential oil of Zataria multifl ora on biofi lm formation, it seems that these substances are good options for studies related to controlling biofi lm formation in Staphylococcus epidermidis.

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    APA: Copy

    MOTAGHIAN, ZAHRA, AGHAZADEH, MOHAMMAD, MAHMOODZADEH HOSSEINI, HAMIDEH, & IMANI FOOLADI, ABBAS ALI. (2019). Evaluation of Antibacterial Activity of Zataria multifl ora Against the Expression of icaADB and aap Gene and Biofi lm Formation in Staphylococcus epidermidis. ARCHIVES OF CLINICAL INFECTIOUS DISEASES, 14(1), 0-0. SID. https://sid.ir/paper/756165/en

    Vancouver: Copy

    MOTAGHIAN ZAHRA, AGHAZADEH MOHAMMAD, MAHMOODZADEH HOSSEINI HAMIDEH, IMANI FOOLADI ABBAS ALI. Evaluation of Antibacterial Activity of Zataria multifl ora Against the Expression of icaADB and aap Gene and Biofi lm Formation in Staphylococcus epidermidis. ARCHIVES OF CLINICAL INFECTIOUS DISEASES[Internet]. 2019;14(1):0-0. Available from: https://sid.ir/paper/756165/en

    IEEE: Copy

    ZAHRA MOTAGHIAN, MOHAMMAD AGHAZADEH, HAMIDEH MAHMOODZADEH HOSSEINI, and ABBAS ALI IMANI FOOLADI, “Evaluation of Antibacterial Activity of Zataria multifl ora Against the Expression of icaADB and aap Gene and Biofi lm Formation in Staphylococcus epidermidis,” ARCHIVES OF CLINICAL INFECTIOUS DISEASES, vol. 14, no. 1, pp. 0–0, 2019, [Online]. Available: https://sid.ir/paper/756165/en

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