Date: 26 November 2013
Secondary metabolites, 3D structure: Trivial name – Xanthoascin acetate
Copyright: n/a
Notes:
Species: A. candidusSystematic name: Phenol, 4-[4-(3,4-dihydro-2,2-dimethyl-2H-1-benzopyran-6-yl)-2,3-diisocyano-1,3-butadienyl]-, acetate (ester)Molecular formulae: C25H22N2O3Molecular weight: 398Chemical abstracts number: 62002-86-2Selected references: Takahashi, Chikako; Sekita, Setsuko; Yoshihira, Kunitoshi; Natori, Shinsaku (Natl. Inst. Hyg. Sci., Tokyo, Japan). Chem. Pharm. Bull., 24(10), 2317-21 (English) 1976.
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
