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  • 1
    ISSN: 1573-0832
    Keywords: Aspergillus fumigatus ; Conidia ; Mycotoxins ; Sawmill ; Tremorgens
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract One hundred and six strains ofA. fumigatus were isolated from 21 sawmills in Sweden, and 73 of these strains were examined for production of fumitremorgen B and verruculogen (tremorgenic mycotoxins) on YES-medium using thin layer chromatography (TLC). Twenty-three strains (32%) were tremorgen producers and 50 strains (68%) were non-producers. Tremorgenic mycotoxins were detected in conidia of sevenA. fumigatus strains. The amount of toxin varied between 0.6–8.0 µg/108 conidia (mean value 2.3 µg/108 conidia, equivalent with 0.18%). No production of the mycotoxin gliotoxin was detected in 6 strains ofA. fumigatus. No tremorgens were detected during mould growth on wood substrates, in spite of the use of different wood species (Scots pine,Pinus sylvestris; Norway spruce,Picea abies and birch,Betula spp.), dried versus non-dried wood, bark (pine), leached wood, and wood after various sterilization methods.
    Type of Medium: Electronic Resource
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