Characteristics: The most frequently isolated agent of aspergillosis in humans. It may cause pulmonary, nasal, ocular, cerebral, bone, cardiovascular, and organ infections, particularly in the immunocompromised patient. Aspergillus fumigatus is also a cause of mycotic abortion in the cow and of respiratory infections in fowl.
Description: It is often found in compost, soil and plant material. It is characterized by rapid growth, with a powdery texture usually colored blue/green to gray/green on the surface. Aspergillus fumigatus is distinguished by its blue/green to gray/green colonies. Unlike most other medically important species of Aspergillus, it develops well at 48°C. In a typical form characterized by downy white colonies is occasionally isolated from cases of aspergilloma or chronic bronchopulmonary colonization. These isolates grow well at 48°C. Aspergillus is one of the most common fungal genera, worldwide, and Aspergillus fumigatus is one of the most common species found.