Date: 26 November 2013
Secondary metabolites, 3D structure: Trivial name – O-ethylparvulenone
Copyright: n/a
Notes:
Species: A. parvulusSystematic name: 1(2H)-Naphthalenone, 7-(1-ethoxyethyl)-3,4-dihydro-4,8-dihydroxy-Molecular formulae: C14H18O4Molecular weight: 250Chemical abstracts number: 73026-96-7Selected references: Chao, Pei-Dawn; Schiff, Paul L., Jr.; Slatkin, David J.; Knapp, Joseph E. (Sch. Pharm., Univ. Pittsburgh, Pittsburgh, PA 15261, USA). J. Chem. Res., Synop., (7), 236 (English) 1979.
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
