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    Deciphering the relative contributions of multiple functions within plant-microbe symbioses

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    Sikes_et_al_2010.pdf (202.3Kb)
    Issue Date
    2010-06-01
    Author
    Sikes, Benjamin A.
    Powell, Jeff R.
    Rillig, Matthias C.
    Publisher
    The Ecological Society of America
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
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    Abstract
    For microbial symbioses with plants, such as mycorrhizas, we typically quantify either the net effects of one partner on another or a single function a symbiont provides. However, many microbial symbioses provide multiple functions to plants that vary based on the microbial species or functional group, plant species, and environment. Here we quantified the relative contributions of multiple functions provided by arbuscular mycorrhizal (AM) fungi to symbiont-mediated changes in plant biomass. We used two published data sets, one that measured multiple functions (pathogen protection and nutrient uptake) on a single plant and one that measured a single function (pathogen protection) on multiple plants. Using structural equation modeling, we observed strong variation in the functional pathways by which AM fungi altered plant growth; changes in plant biomass were associated with different functions (and different AM fungal functional groups) for the different plant species. Utilizing this methodology across multiple partners and environments will allow researchers to gauge the relative importance of functions they isolate and, perhaps more importantly, those they did not consider. This baseline information is essential for establishing the specific mechanisms by which microbial symbioses influence plant diversity and to more effectively utilize these organisms in agriculture, restoration and conservation.
    Description
    This is the publisher's version, also available electronically from http://www.esajournals.org/doi/abs/10.1890/09-1858.1
    URI
    http://hdl.handle.net/1808/13670
    DOI
    https://doi.org/10.1890/09-1858.1
    Collections
    • Ecology and Evolutionary Biology Scholarly Works [1450]
    Citation
    Sikes, Benjamin A. 2010. “Deciphering the relative contributions of multiple functions within plant-microbe symbioses.” Ecology 91(6):1591-1597. http://dx.doi.org/10.1890/09-1858.1

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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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