Publication: G484S amino acid substitution in lanosterol 14-alpha demethylase (ERG11) is related to fluconazole resistance in a recurrent Cryptococcus neoformans clinical isolate
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Abstract
Five sequential Cryptococcus neoformans isolates recovered from an AIDS patient with recurrent meningitis were analyzed. Four isolates were fluconazole susceptible, while the fifth isolate developed fluconazole resistance. Analysis of the 14-alpha lanosterol demethylase gene (ERG11) showed a point mutation in the resistant strain responsible for the amino acid substitution G484S.
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Acquired Immunodeficiency Syndrome Adult Amino Acid Sequence Amino Acid Substitution Antifungal Agents Cloning, Molecular Cryptococcus neoformans Cytochrome P-450 Enzyme System Drug Resistance, Fungal Fluconazole Genotype Humans Male Meningitis, Cryptococcal Microbial Sensitivity Tests Molecular Sequence Data Oxidoreductases Plasmids Point Mutation Recurrence Sterol 14-Demethylase
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Antimicrob Agents Chemother. 2003 Nov;47(11):3653-6.