| Summary: | We would like to comment on a recent study where the redox-modulatory anti-protozoal drug chloroquine has shown to trigger a crosstalk between the antioxidant and cell wall integrity systems in the yeast Saccharomyces cerevisiae. This note discusses the redox-active potential of the natural compound 2-hydroxy-4-methoxybenzaldehyde (2H4M) which could also serve as a potent redox-cycler in fungal (yeast, molds) pathogens. Using S. cerevisiae as a molecular tool, we determined how 2H4M negatively affected both the antioxidant and cell wall integrity systems of fungi, thus indicating a similar crosstalk between the two systems under 2H4M-induced toxicity. The crosstalk functions as a fungal defense against redox-active drugs/compounds or environmental cues, and therefore, could be an effective target for antifungal treatment.
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