Secondary metabolites, 3D structure: Trivial name – sphingofungin C

Date: 26 November 2013

Secondary metabolites, 3D structure: Trivial name – sphingofungin C

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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.


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  • Drug rashes: Drug interactions between steroids and anti-fungal drugs – (ecchymosis)

    Image A: Red skin rash on arms due to effect of inhaled steroids termed ecchymosis., Image B: Red skin rash on arms due to effect of inhaled steroids termed ecchymosis., Image C: Papular rash with blisters on the back, associated with CPA but prior to treatment, rash appeared 2 years previously in October 2007. The rash resolved on treatment with azoles., Image D: Papular rash with blisters on the back, associated with CPA but prior to treatment, rash appeared 2 years previously in October 2007. The rash resolved on treatment with azoles.

  • Reference: Muco-cutaneous retinoid effects and facial erythema related to the novel triazole antifungal agent voriconazole. Denning, DW & Griffiths, CEM. Clin.Exp Dermatol 2001, 26(8), 648-53.
    Courtesy of Dr D Denning, Wythenshawe Hospital, Manchester.(© Fungal Research Trust)

    Patient AB: Voriconazole rash. Following 8 weeks of Voriconazole, patient had remarkable facial erythema, most consistent with sun exposure because of sparing of her neck., Patient AB: Voriconazole rash. Following 8 weeks of Voriconazole, patient had remarkable facial erythema, most consistent with sun exposure because of sparing of her neck., Patient AB: Discoid lupus erythematosus following 12 months voriconazole therapy. This improved with use of sunblock factor 30 and resolved after discontinuation of voriconazole, 2 months later.

  • Micrographs of A. niger conidia & conidial heads provided by Amaliya Stepanova, Head of Laboratory pathomorphology and cytology at Kashkin Research Institute, Russian Federation.

    A niger conidial head TEM in vitro (РКПГF-1124), A niger mature conidium TEM in vitro (РКПГF-1124)

  • Micrographs of A. terreus conidia & conidial heads provided by Amaliya Stepanova, , Head of Laboratory pathomorphology and cytology at Kashkin Research Institute, Russian Federation.

    A terreus aleurospore TEM in vitro (РКПГF-1275), A terreus mature conidium SEM in vitro (РКПГ-1275), A terreus mature conidial head SEM in vitro

  • Micrographs of A. fumigatus conidia & conidial heads provided by Amaliya Stepanova, , Head of Laboratory pathomorphology and cytology at Kashkin Research Institute, Russian Federation.

    Conidial head (SEM), Part of conidial head (SEM), Mature conidia (SEM), Hyphae (SEM), Murine lung tissue (TEM)

  • Isolate from environmental sample

    A. clavatus, A. clavatus, A. clavatus

  • Patients has history of ABPA complicating long standing asthma. His total IgE has fluctuated between 2,200 and 4,600 KU/L, his Aspergillus IgE between 36.3 and 65.4 kAU/L and Aspergillus IgG from 87-154 mg/L. He has been taking long term itraconazole.

    December 2012, May 2012, AW CT Dec 2012 2, February 2010