Recent studies on aero-aquatic fungi, with special reference to diversity of conidial morphology and convergent evolution

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  • Yamaguchi Kaoru
    Biological Resource Center (NBRC), National Institute of Technology and Evaluation

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<p>Aero-aquatic fungi compose an ecological group of saprophytes inhabiting the submerged decaying substrates in stagnant freshwater environment. They produce three-dimensional shaped, multi-cellular conidia, which float on water surface by holding air between conidial cells. Because the conidia show diverse morphology, genus and species level classification have been based on their features. They are mostly known as asexual morphs of Ascomycota or Basidiomycota. Recent phylogenetic study revealed the aero-aquatic fungi appeared mainly in the lineages of Leotiomycetes, Dothideomycetes, and Sordariomycetes. Furthermore, the phylogenetic tree showed the aero-aquatic fungi have polyphyletic origins and similar three-dimensional conidial morphology generated as a convergent evolution among different lineages of fungi by the selection pressure for inhabiting freshwater environment. Recent studies suggested the ancestors of the aero-aquatic fungi were terrestrial fungi.</p>

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  • Mycoscience

    Mycoscience 64 (5), 128-135, 2023-09-30

    一般社団法人 日本菌学会

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