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A genus of fungi easily isolated from air and considered to be a common laboratory contaminant and an allergen; occasionally pathogenic in humans.
A genus of rapidly growing dematacious fungi, ubiquitous in nature, associated with subcutaneous infections such as phaeohyphomycosis, sinusitis, erosion of the nasal septum, and infections of skin and nails. This fungus is also a common cause of allergic rhinitis and asthma.
A genus of fungi of the Dematiaceae family. These fungi cause phaeohyphomycosis. They can also cause onychomycosis, sinusitis, ulcerated cutaneous infections, and keratitis, visceral infections and osteomyelitis in immunocompromised persons. In immunocompetent patients, Alternaria colonizes the paranasal sinuses, leading to chronic hypertrophic sinusitis.
a saprophytic fungus commonly found on the skin; also has been associated with subcutaneous infections (phaeohyphomycosis) and reputed to be one of the causes of the indeterminate syndrome of forage poisoning in farm animals. Tenuazonic acid is a toxic metabolite.