Penicillium

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Penicillium

 

a genus of Fungi Imperfecti whose ascigerous stage is classified in the order Plectascales. From the vegetative mycelium of members of the genus Penicillium emerge conidio-phores that branch out into racemules at the apex, where chains of colored, unicellular spores, or conidia, are produced. The genus contains approximately 250 species, which are widely distributed in the soil. Fungi of the genus Penicillium induce spoilage in foodstuffs and take part in the decomposition of plant and animal tissue. As do other species of fungi, they form molds. Penicillium chrysogenum and Penicillium notatum are used in the preparation of penicillin, while Penicillium camemberti and Penicillium roqueforti are widely used in cheese-making.

References in periodicals archive ?
However, most natural cases of penitrem A intoxication have been associated with Penicillium crustosum.
Sixty-one isolates of Penicillium crustosum originating from various foodstuffs were screened for penitrem A (15) production by high- PTLC.
Roquefortine and the penitrems were biosynthesised concurrently at an approximately equimolar rate by Penicillium crustosum after growth and sporulation.
Three isolates of Penicillium crustosum cultures led to the isolation and structure elucidation of secopenitrem D (28).