Abstract
Purpose of Review
Acquired resistance among fungal strains is a growing concern. The reasons for the emergence of this phenomenon, with great clinical implications, are only partially explained and related to the frequent use of fluconazole prophylaxis or therapeutic regimens in medical practice, and evidence of environmental origin of resistance is warranted.
Recent Findings
Soil exposed to azole fungicides may select acquired resistant fungal strains and improve the proliferation and maintenance of phenotypes in this environment. So far, the greatest focus on cross-resistance in relation to azoles is with genus Aspergillus.
Summary
In view of fungicides and drugs present similar triazole chemical structure and mechanisms of action, our results showed that fungicides in agricultural areas may decrease fungal sensibility to azole drugs, becoming a potential source of resistance for invasive human mycoses agents. The abusive usage of fungicide in agriculture could play a role in the therapeutic failure of cryptococcosis.
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Acknowledgments
We thank FAPESP for financial support for the first author (FAPESP process 2013/07221-2), Grupo Fleury for performing part of the sequencing and UNICAMP for chromatographic analysis of the soil and for performing part of the sequencing.
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Juliana Possatto Fernandes Takahashi, Leticia Marielle Feliciano, Dayane Cristina Silva Santos, Silézia Ramos, Rogério A. Oliveira, Derlene Attili-Angelis, Nadia Regina Rodrigues, Jorge Luiz Melo Sampaio, Marilena dos Anjos Martins, and Marcia Souza Carvalho Melhem declare no conflicts of interest relevant to this manuscript.
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Takahashi, J.P.F., Feliciano, L.M., Santos, D.C.S. et al. Could Fungicides Lead to Azole Drug Resistance in a Cross-Resistance Manner among Environmental Cryptococcus Strains?. Curr Fungal Infect Rep 14, 9–14 (2020). https://doi.org/10.1007/s12281-020-00373-8
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DOI: https://doi.org/10.1007/s12281-020-00373-8