Date: 26 November 2013
Secondary metabolites, structure diagram: Trivial name – Aflavinine
Copyright: n/a
Notes:
Species: A. flavusSystematic name: 1H-Benzo[d]naphthalen-1-ol, 2,3,4,4a,5,6,7,7a,10,11-decahydro-8-(1H-indol-3-yl)-4,4a,7-trimethyl-9-(1-methylethyl)-, (1R,4S,4aR,7S,7aR,11aR)-rel-Molecular formulae: C28H39NOMolecular weight: 405Chemical abstracts number: 74328-59-9Selected references: Gallagher, Rex T.; McCabe, Terrence; Hirotsu, Ken; Clardy, Jon; Nicholson, Judith; Wilson, Benjamin J. (Dep. Chem., Cornell Univ., Ithaca, NY 14853, USA). Tetrahedron Lett., 21(3), 243-6 (English) 1980.
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.
