Abstract
Allergenic mould fungus, Aspergillus fumigatus well known for its invasive aspergillosis disease is intrinsically resistant to most of the fluconazole group of medicines. It was studied that the mutations encoding 14a-sterol demethylase has the capacity to make triazole-resistant to this clinical fungal isolates. The present study is a multiplex allele-specific PCR assay targeting mutations for rapid detection of azole-resistant A. fumigatus for suitable patient management. During the present work clinical and wild isolates of A. fumigatus were employed to evaluate MAS-PCR, which was confirmed by direct DNA sequencing of cyp5 IA98 region from selected isolates of A. fumigatus. MAS-PCR assay was successfully developed to simplify the rapid detection of L98H mutation in cyp51A gene that confers the resistance to triazoles in A. fumigatus strains. The assay would help in primary acknowledgement of triazole-resistant A. fumigatus strains for proper management of patients with invasive aspergillosis.
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