Refers to the genus of fungi (mold) that belongs to the category Deuteromycotina, and often causes (food) spoilage. Some of this genus have been utilized commercially to produce antibiotics.
The fungus from which penicillin is derived.
A genus of moldlike fungi that commonly grow on decaying fruit, bread, or cheese. The species P. chrysogenum is the major natural source of the antibiotic penicillin. Some species of Penicillium are pathogenic to man, causing diseases of the skin and respiratory tract.
A genus of molds belonging to the Ascomycetes (sac fungi). They form the blue molds that grow on fruits, bread, and cheese. A number of species (P. chrysogenum, P. notatum) are the source of penicillin. Occasionally in humans they produce infections of the external ear, skin, or respiratory passageways. They are common allergens.