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- W2894617241 abstract "A range of fungicides or antifungals are currently deployed to control fungi in agriculture or medicine, but resistance to current agents is growing so new approaches and molecular targets are urgently needed. Recently, different aminoglycoside antibiotics combined with particular transport inhibitors were found to produce strong, synergistic growth-inhibition of fungi, by synergistically increasing the error rate of mRNA translation. Here, focusing on translation fidelity as a novel target for combinatorial antifungal treatment, we tested the hypothesis that alternative combinations of agents known to affect the availability of functional amino acids would synergistically inhibit growth of major fungal pathogens. We screened 172 novel combinations against three phytopathogens (Rhizoctonia solani, Zymoseptoria tritici, Botrytis cinerea) and three human pathogens (Cryptococcus neoformans, Candida albicans, Aspergillus fumigatus), showing that 48 combinations synergistically inhibited growth. Of these, 23 combinations were effective against more than one pathogen, including combinations comprising food-and-drug approved compounds, e.g., quinine with bicarbonate, and quinine with hygromycin. These combinations (fractional inhibitory combination [FIC] index ≤ 0.5) gave up to 100% reduction of fungal growth yield at concentrations of agents which, individually, had negligible effect. No synergy was evident against bacterial, plant or mammalian cells, indicating specificity for fungi. Mode-of-action analyses for quinine + hygromycin indicated that synergistic mistranslation was the antifungal mechanism. That mechanism was not universal as bicarbonate exacerbated quinine action by increasing drug uptake. The study unveils chemical combinations and a target process with potential for control of diverse fungal pathogens, and suggests repurposing possibilities for several current therapeutics." @default.
- W2894617241 created "2018-10-12" @default.
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- W2894617241 date "2018-10-04" @default.
- W2894617241 modified "2023-10-18" @default.
- W2894617241 title "Novel Combinations of Agents Targeting Translation That Synergistically Inhibit Fungal Pathogens" @default.
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- W2894617241 doi "https://doi.org/10.3389/fmicb.2018.02355" @default.
- W2894617241 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6186996" @default.
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