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Association of mutation to drug resistance

Mutation Gene Species Validation status Validation technique(s) Validation reference(s) Resistance mechanism(s) Validation score
T381I MRR1 C. albicans Validated Introduction of Mutated Alleles into Drug-Susceptible Strains18577180
The T381I mutation in the MRR1 gene causes constitutive activation of the Mrr1p transcription factor, leading to continuous overexpression of the MDR1 efflux pump and increased drug efflux, resulting in multidrug resistance, particularly to fluconazole. 2