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The genus Aspergillus is one of the most widespread groups of fungi on Earth, comprised of about 300–350 species with very diverse lifestyles. Most species produce asexual propagula (conidia) on conidial heads. Despite their ubiquity, a sexual cycle has not yet been identified for most of the aspergilli. Where sexual reproduction is present, species exhibit either homothallic (self fertile) or heterothallic...
Black aspergilli are among the main causative agents of otomycosis worldwide. In this study, the species assignment of black aspergilli isolated from otomycosis cases in Iran was carried out using sequence analysis of part of the calmodulin gene. The results indicate that Aspergillus niger is not the only black Aspergillus species involved in otomycosis cases in Iran: Aspergillus awamori and Aspergillus tubingensis...
Otomycosis, also known as fungal otitis externa, has been used to describe a fungal infection of the external auditory canal, but sometimes involving the middle ear. Many fungal species have been identified as infectious agents in otomycosis, with Aspergillus and Candida species being the most common. Among aspergilli, Aspergillus niger is the most commonly described species in the literature. In...
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