Iranian journal of microbiology · 2023
Effect of new methionine-based ionic liquid on the CDR1 and CDR2 gene expression on sensitive and resistant strains of Candida albicans.
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Eslami Mona, Ezabadi Ali, Bayat Mansour, Omidi Behin, Mortazavi Pejman
Аннотация
BACKGROUND AND OBJECTIVES: Previous researchers showed the antimicrobial ability of ionic liquids (ILs) on different infective agents. ILs can dissolve organic components, especially DNA molecules. Among synthesized eight binary ILs mixtures, we have chosen ([Met-HCl] [PyS]) IL for determining the antifungal ability of IL against Candida albicans cells.
MATERIALS AND METHODS: Well diffusion assay, chrome agar and Germ tube tests were used to detect the Candida samples. PCR, real-time-PCR, and flow cytometry tests were performed to determine the IL's rate of toxic ability.
RESULTS: Well diffusion assay revealed the diameters of the growth inhibition zones were the largest in IL with methionine and Proline amino acids. Minimum inhibitory concentration (MIC) and the Minimum fungicidal concentration (MFC) tests showed that they inhibited the growth of the C. albicans at a range from 250 μg/ml for sensitivity and 400 μg/ml for resistance, MIC average of all samples were 341.62 ± 4.153 μg/ml. IL reduced the expression of CDR1 and CDR2 the genes encoded by the major protein of ABC system transporter by 2.1 (P= 0.009) and 1.2 fold (P= 0.693), revealed by PCR and real time-PCR. In the flow cytometry test, there were increasing dead cells after treating with the ([Met-HCl] [PyS]) even in the most resistant strain.
CONCLUSION: The novel IL was effective against the most clinical and standard C. albicans.
MATERIALS AND METHODS: Well diffusion assay, chrome agar and Germ tube tests were used to detect the Candida samples. PCR, real-time-PCR, and flow cytometry tests were performed to determine the IL's rate of toxic ability.
RESULTS: Well diffusion assay revealed the diameters of the growth inhibition zones were the largest in IL with methionine and Proline amino acids. Minimum inhibitory concentration (MIC) and the Minimum fungicidal concentration (MFC) tests showed that they inhibited the growth of the C. albicans at a range from 250 μg/ml for sensitivity and 400 μg/ml for resistance, MIC average of all samples were 341.62 ± 4.153 μg/ml. IL reduced the expression of CDR1 and CDR2 the genes encoded by the major protein of ABC system transporter by 2.1 (P= 0.009) and 1.2 fold (P= 0.693), revealed by PCR and real time-PCR. In the flow cytometry test, there were increasing dead cells after treating with the ([Met-HCl] [PyS]) even in the most resistant strain.
CONCLUSION: The novel IL was effective against the most clinical and standard C. albicans.