Date: 26 November 2013
Secondary metabolites, structure diagram: Trivial name – Antibiotic 704II, tetronic acid derivative
Copyright: n/a
Notes:
Species: A. panamensisSystematic name: 3(2H)-Furanone, 2-(1,3-hexadienyl)-5-methoxy-4-(3-methoxy-1-oxobutyl)-2-methyl-Molecular formulae: C17H24O5Molecular weight: 308Chemical abstracts number: 75916-46-0Selected references: Metabolic products of microorganisms. 197. Investigations on metabolites of microorganisms. 23. Tetronic acid derivatives from Aspergillus panamensis. Production, isolation, characterization and biological activity. Anke, H.; Schwab, H.; Achenbach, H. Inst. Biol. II, Univ. Tuebingen, Tuebingen, Fed. Rep. Ger. Journal of Antibiotics (1980), 33(9), 931-9.
Images library
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BAL specimen showing hyaline, septate hyphae consistent with Aspergillus, stained with Blankophor
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Mucous plug examined by light microscopy with KOH, showing a network of hyaline branching hyphae typical of Aspergillus, from a patient with ABPA.
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Corneal scraping stained with lactophenol cotton blue showing beaded septate hyphae not typical of either Fusarium spp or Aspergillus spp, being more consistent with a dematiceous (ie brown coloured) fungus
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Corneal scrape with lactophenol cotton blue shows separate hyphae with Fusarium spp or Aspergillus spp.
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A filamentous fungus in the CSF of a patient with meningitis that grew Candida albicans in culture subsequently.
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Transmission electron micrograph of a C. neoformans cell seen in CSF in an AIDS patients with remarkably little capsule present. These cells may be mistaken for lymphocytes.
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India ink preparation of CSF showing multiple yeasts with large capsules, and narrow buds to smaller daughter cells, typical of C. neoformans
