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    Phytoextraction efficiency of Arabidopsis halleri is driven by the plant and not by soil metal concentration

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    Author
    Dietrich, Charlotte C.
    Tandy, Susan
    Murawska-Wlodarczyk, Kamila
    Banaś, Angelika
    Korzeniak, Urszula
    Seget, Barbara
    Babst-Kostecka, Alicja
    Affiliation
    Department of Environmental Science, The University of Arizona
    Issue Date
    2021-12
    Keywords
    Arabidopsis halleri
    DGT
    Hyperaccumulation
    Phytoextraction efficiency
    Pseudometallophyte
    Trace metal elements
    
    Metadata
    Show full item record
    Publisher
    Elsevier BV
    Citation
    Dietrich, C. C., Tandy, S., Murawska-Wlodarczyk, K., Banaś, A., Korzeniak, U., Seget, B., & Babst-Kostecka, A. (2021). Phytoextraction efficiency of Arabidopsis halleri is driven by the plant and not by soil metal concentration. Chemosphere, 285.
    Journal
    Chemosphere
    Rights
    © 2021 Elsevier Ltd. All rights reserved.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    The hyperaccumulation trait allows some plant species to allocate remarkable amounts of trace metal elements (TME) to their foliage without suffering from toxicity. Utilizing hyperaccumulating plants to remediate TME contaminated sites could provide a sustainable alternative to industrial approaches. A major hurdle that currently hampers this approach is the complexity of the plant-soil relationship. To better anticipate the outcome of future phytoremediation efforts, we evaluated the potential for soil metal-bioavailability to predict TME accumulation in two non-metallicolous and two metallicolous populations of the Zn/Cd hyperaccumulator Arabidopsis halleri. We also examined the relationship between a population's habitat and its phytoextraction efficiency. Total Zn and Cd concentrations were quantified in soil and plant material, and bioavailable fractions in soil were quantified via Diffusive Gradients in Thin-films (DGT). We found that shoot TME accumulation varied independent from both total and bioavailable soil TME concentrations in metallicolous individuals. In fact, hyperaccumulation patterns appear more plant- and less soil-driven: one non-metallicolous population proved to be as efficient in accumulating Zn on non-polluted soil as the metallicolous populations in their highly contaminated environment. Our findings demonstrate that in-situ information on plant phytoextraction efficiency is indispensable to optimize site-specific phytoremediation measures. If successful, hyperaccumulating plant biomass may provide valuable source material for application in the emerging field of green chemistry. © 2021 Elsevier Ltd
    Note
    24 month embargo; available online 5 July 2021
    ISSN
    0045-6535
    DOI
    10.1016/j.chemosphere.2021.131437
    Version
    Final accepted manuscript
    Sponsors
    European Regional Development Fund
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.chemosphere.2021.131437
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    UA Faculty Publications

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