Toxic mould spores (Stachybotrys chartarum), SEM

Toxic mould spores (Stachybotrys chartarum), SEM

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Credit: DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY

Caption: Coloured scanning electron micrograph (SEM) of Toxic mould spores (Stachybotrys chartarum). Several strains of this fungus (S. atra, S. chartarum and S. alternans) are synonymous. This fungus may produce a trichothecene mycotoxin - Satratoxin H - which is a poisonous by inhalation. The toxins are present on the fungal spores. The toxins produced by this fungus will suppress the immune system affecting the lymphoid tissue and the bone marrow. The spores will die readily after release but the dead spores are still allergenic and toxigenic. Inhalation of spores (conidia) may also induce pathological changes (pneumomycotoxicoses). Magnification: x1,200 when shortest axis printed at 25 millimetres.

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Keywords: 23288b, airborne, allergen, allergenic, allergy, alternans, and, ascomycota, atra, black, building, chartarum, colored, coloured, disease, electron, false-colored, false-coloured, fruiting, fungal, fungi, fungus, human, hypha, hyphae, hypocreales, infection, micrograph, mould, moulds, mycelia, mycelium, mycoses, mycosis, mycotoxin, mycotoxins, pathogen, pneumomycotoxicoses, satratoxin, satratoxins, scanning, sem, sick, slime, sordariomycetes, spores, stachybotryaceae, stachybotrys, structure, syndrome, toxic, toxin, trichothecene

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