Journal
MYCOPATHOLOGIA
Volume 182, Issue 11-12, Pages 989-995Publisher
SPRINGER
DOI: 10.1007/s11046-017-0192-y
Keywords
Dual-species bacterial/fungal biofilm; Essential oils
Categories
Funding
- National Research Center, Poland [2011/01/N/NZ6/00317]
- University of Lodz
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The effectiveness of essential oils (EOs), fluconazole (FLU) and mupirocin (MUP) used alone or in combination against mono-species and mixed Candida albicans/Staphylococcus aureus biofilms was examined. An experimentally established dual-species biofilm model, verified by fluorescence microscopy and viable cell counting, was used. Selected commercial EOs were tested: geranium, citronella and clove oils, which have been chemically characterized and found to differ in the content of the main components (qualitative and quantitative). As expected, C. albicans and S. aureus biofilms were less susceptible to fluconazole and mupirocin action, respectively, compared to the planktonic counterparts. However, the drug effectiveness in combination with the EOs was significantly improved, giving enhancement of biofilm eradication than caused by the antibiotics alone. Moreover, dual-species biofilm formation was limited by sub-MIC of EOs, and preformed mixed biofilm was eliminated more efficiently by combined action of drugs and EOs.
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