Date: 26 November 2013
Secondary metabolites, 3D structure: Trivial name – dihydrocitrinone
Copyright: n/a
Notes:
Species: A. carneusSystematic name: 1H-2-Benzopyran-7-carboxylic acid, 3,4-dihydro-6,8-dihydroxy-3,4,5-trimethyl-1-oxo-, (3R,4S)-Molecular formulae: C13H14O6Molecular weight: 266Chemical abstracts number: 65718-85-6Selected references: Chien, M. M.; Schiff, P. L., Jr.; Slatkin, D. J.; Knapp, J. E. (Sch. Pharm., Univ. Pittsburgh, Pittsburgh, Pa., USA). Lloydia, 40(3), 301-2 (English) 1977.
Images library
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Title
Legend
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Necrotic lung tissue in culture
Af=Colony of Aspergillus fumigatus
B=bacterial colonies
L=lung tissue
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A photograph of part of the upper lung lobe of an immunosuppressed patient. The lung tissue shows extenive areas of necrosis due to invasive colonisation.
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A photograph of a cavity in the upper lobe of the lung of a patient with ankylosing spondylitis. Such cavitation,which may be confused with prior tuberculosis, can follow fibrosis.
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Plugs stained with Methenamine/silverActively growing mycelia of the fungus are a deep brown/black. Counterstaining shows the dense mucus of the plugs as predominantly orange.
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Sputum from an asthmatic patient showing plugs(casts). The development of plugs coincided with an increased prevalence and severity of episodes of asthma
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microscopic characters Conidiophore stipes(C)1300-2800um long:Vesicles(V)40-70um wide,clavate:Phialides(Ph) uniseriate:Conidia(Con)3.5-4.0um long,smooth walled.
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microscopic characters Conidiophore stipes(C)225-350um arising from hyphae(Hy):Vesicles(Ves)15-25um wide:Phialides(Ph)uniseriate:Conidia(Con)2.4-3.0um spherical to ovoid,roughened.
