Author:

J.C. Frisvad and R.A. Samson

Date: 6 March 2013

Abstract:

SUMMARYMany isolates of Aspergillus fumigatus and related taxa in Aspergillus sect. Fumigati were examinedmorphologically and for profiles of secondary metabolites. The isolates of secondary metabolilproduction by A. fumigatus was very homogeneous: tryptiquivalins, fumigaclavine A, verruculogci.other fumitremorgins and fumagillin were produced by all isolates tested, Fumigatin and sulochriilike metabolites were produced, less frequently, while gliotoxin and helvolic acid were not detectedA. brevipes, A. viridinutans, A. duricaulis and A. unilateralis, produced unique profiles o f secondarymetabolites different from those above. A. brevipes and A. viridinutans produced viriditoxin, while Aduricaulis produced cyclopaldic acid and chromanols 1, 2 and 3. It is concluded that species oAspergillus sect. Fumigati are well defined, both morphologically and by their profiles of secondarymetabolites.

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