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    Paleomycology of the Princeton Chert II. Dark-septate fungi in the aquatic angiosperm Eorhiza arnoldii indicate a diverse assemblage of root-colonizing fungi during the Eocene

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    Issue Date
    2013-09
    Author
    Klymiuk, Ashley A.
    Taylor, Thomas N.
    Taylor, Edith L.
    Krings, Michael
    Publisher
    The Mycological Society of America
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
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    Abstract
    Tissues of the extinct aquatic or emergent angiosperm, Eorhiza arnoldii incertae sedis, were extensively colonized by microfungi, and in this study we report the presence of several types of sterile mycelia. In addition to inter- and intracellular proliferation of regular septate hyphae, the tissues contain monilioid hyphae with intercalary branching. These filamentous mycelia are spatially associated with two distinct morphotypes of intracellular microsclerotia. These quiescent structures are morphologically similar to loose and cerebriform microsclerotia found within the living tissues of some plants, which have been attributed to an informal assemblage of dematiaceous ascomycetes, the dark-septate endophytes. While there are significant challenges to interpreting the ecology of fossilized fungi, these specimens provide evidence for asymptomatic endophytic colonization of the rooting structures of a 48.7 million year old aquatic angiosperm.
    Description
    This is the publisher's version, also available electronically from http://www.mycologia.org/content/105/5/1100
    URI
    http://hdl.handle.net/1808/14621
    DOI
    https://doi.org/10.3852/13-025
    ISSN
    0027-5514
    Collections
    • Distinguished Professors Scholarly Works [918]
    • Ecology & Evolutionary Biology Scholarly Works [1516]
    Citation
    Ashley A. Klymiuk et al. (2013). Paleomycology of the Princeton Chert. II. Dark-septate fungi in the aquatic angiosperm Eorhiza arnoldii indicate a diverse assemblage of root-colonizing fungi during the Eocene. Mycologia 105(5):1100-1109. http://www.dx.doi.org/10.3852/13-025

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    KU Libraries
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    Lawrence, KS 66045
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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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