Volume 19, Number 5—May 2013
Letter
Azole-Resistant Aspergillus fumigatus, Iran
Table
Isolate | Underlying disease | Previous azole exposure | 34-bp tandem repeat† | Amino acid substitution in cyp51A gene‡ | ||||
---|---|---|---|---|---|---|---|---|
MIC, mg/L |
||||||||
Amphotericin B | Itraconazole | Voriconazole | Posaconazole | |||||
T-IR-AF 12 | CPA | Yes | Positive | L98H | 0.5 | ≥16 | 4.0 | 0.5 |
T-IR-AF 17 | CPA | No | Positive | L98H | 0.5 | ≥16 | 4.0 | 0.5 |
T-IR-AF 433 | CPA | Yes | Negative | ND | 0.5 | ≥16 | 8.0 | 0.5 |
T-IR-AF 890 | ABPA | No | Positive | L98H | 0.5 | ≥16 | 8.0 | 0.25 |
*CPA, chronic pulmonary aspergillosis; ND, not detected; ABPA, allergic bronchopulmonary aspergillosis.
†34-bp tandem repeat in the promoter region of CYP51A gene.
‡The numbers indicate the position at which an amino acid change occurs. Nucleotides are numbered from the translation start codon ATG of cyp51A.
Page created: April 23, 2013
Page updated: April 23, 2013
Page reviewed: April 23, 2013
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