Three American Type Culture Collection (ATCC) yeast species, including Candida albicans ATCC 36082 (fluconazole-resistant), Candida glabrata ATCC 2001 (fluconazole susceptible), Candida parapsilosis ATCC 22019 (fluconazole-resistant) were obtained from Oxoid, UK and Candida albicans CL1 (fluconazole-resistant) was recovered from scalp infection in this study [62 (link),63 (link),64 (link)]. Pure cultures were grown onto sabouraud dextrose agar (SDA, Merck, Germany) at 28 °C for 48 h, as described by Pfaller et al. [65 (link)]. Standard solutions of 1500 µg/mL of fluconazole (FLZ) (Pfizer, Manhattan, NY, USA) and synthetic compounds were prepared in DMSO (Sigma Aldrich, Germany).
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