Date: 26 November 2013
Secondary metabolites, 3D structure: Trivial name – O-methyl-Sterigmatocystin
Copyright: n/a
Notes:
Species: A. flavus, A. parasiticus, A. rambellii, A. versicolorSystematic name: 7H-Furo[3′,2′:4,5]furo[2,3-c]xanthen-7-one, 3a,12c-dihydro-6,8-dimethoxy-, (3aR,12cS)-Molecular formulae: C19H14O6Molecular weight: 338.311Chemical abstracts number: 17878-69-2Selected references: Biochemistry of micro.ovrddot.organisms. XCIX. Metabolic products of Aspergillus versicolor. Birkinshaw, J. H.; Hammady, I. M. M. Univ. London, Biochemical Journal (1957), 65 162-6.
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Culture plates on different media. A Colonies on CZ at 24oC, B on CYA at 20oC C on SAB at 37oC, D on CYA at 24oC
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Mucous containing Charcot-Leyden crystals, stained with H & EA 57 year old woman presented with breathlessness. She had a history of mild asthma for which she occasionally took salbutamol inhaler puffs. The patient underwent a pneumonectomy because of the severity of her disease process, and uncertainty about the diagnosis, prior to serology results being obtained.Serology showed an IgE of 2600, with a strongly positive Aspergillus RAST test and weakly positive Aspergillus precipitins. Material re