Extrolites of Aspergillus fumigatus and Other Pathogenic Species in Aspergillus Section Fumigati

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    Aspergillus fumigatus is an important opportunistic human pathogen known for its production of a large array of extrolites. Up to 63 species have been described in Aspergillus section Fumigati, some of which have also been reliably reported to be pathogenic, including A. felis, A. fischeri, A. fumigatiaffinis, A. fumisynnematus, A. hiratsukae, A. laciniosus, A. lentulus, A. noyofumigatus, A. parafelis, A. pseudofelis, A. pseudoyiridinutans, A. spinosus, A. therrnornutatus, and A. udagawae. These species share the production of hydrophobins, melanins, and siderophores and ability to grow well at 37 °C, but they only share some small molecule extrolites, that could be important factors in pathogenicity. According to the literature gliotoxin and other exometabolites can be contributing factors to pathogenicity, but these exometabolites are apparently not produced by all pathogenic species. It is our hypothesis that species unable to produce some of these metabolites can produce proxy-exometabolites that may serve the same function. We tabulate all exometabolites reported from species in Aspergillus section Fumigati and by comparing the profile of those extrolites, suggest that those producing many different kinds of exometabolites are potential opportunistic pathogens. The exometabolite data also suggest that the profile of exometabolites are highly specific and can be used for identification of these closely related species.
    Original languageEnglish
    Article number1485
    JournalFrontiers in Microbiology
    Number of pages14
    Publication statusPublished - 2016

    Bibliographical note

    © 2016 Frisvad and Larsen. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.


    • Aspergillus
    • Extrolites
    • Fumagillin
    • Gliotoxin
    • Proxy-exometabolites

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