Date: 26 November 2013
Secondary metabolites, structure diagram: Trivial name – sphingofungin C
Copyright: n/a
Notes:
Species: A. fumigatusSystematic name: 6-Eicosenoic acid, 5-(acetyloxy)-2-amino-3,4,14-trihydroxy-Molecular formulae: C22H41NO7Molecular weight: 431.563Chemical abstracts number: 121025-46-5Selected references: VanMiddlesworth F, Giacobbe RA, Lopez M, Garrity G, Bland JA, Bartizal K, Fromtling RA, Polishook J, Zweerink M, Edison AM, et al. J Antibiot (Tokyo). 1992 Jun;45(6):861-7. Sphingofungins A, B, C, and D; a new family of antifungal agents. I. Fermentation, isolation, and biological activity.Zweerink MM, Edison AM, Wells GB, Pinto W, Lester RL. Characterization of a novel, potent, and specific inhibitor of serine palmitoyltransferase. J Biol Chem. 1992 Dec 15;267(35):25032-8. FUMONISINS POWELL RG ; PLATTNER RD PELLETIER, S. W. (ED.). ALKALOIDS: CHEMICAL AND BIOLOGICAL PERSPECTIVES, VOL. 9. XV+286P. PERGAMON PRESS LTD: OXFORD, ENGLAND, UK; TARRYTOWN, NEW YORK, USA. ISBN 0-08-042089-3.; 0 (0). 1995. 247-278.
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.
