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Title
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Growth hormones in broad bean (Vicia faba L.) and radish (Raphanus raphanistrum subsp. sativus L.) are associated with accumulated concentrations of perfluoroalkyl substances
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Author
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Abstract
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| In this study, we grew radish (Raphanus raphanistrum subsp. sativus L.) and broad beans (Vicia faba L.) in a greenhouse on soils spiked with a mixture of 15 per- and polyfluoroalkyl substances (PFASs) and investigated the association between accumulated ∑PFAS concentrations, growth, and hormone levels. Short-chained PFASs dominated aboveground tissues, whereas long-chained PFASs were most abundant in the plant roots. Our results showed that the presence or absence of exodermal Casparian strips, as well as the hydrophobicity and anion exchange capacities of PFASs, could explain the translocation of PFASs within plants. Significant associations found between accumulated PFAS concentrations and levels of gibberellins (GA1 and GA15), methionine, and indole-3-acetic acid (IAA) imply potential effects of PFASs on plant development and growth. This study provides the first evidence of associations between PFAS accumulation in plants and growth hormone levels, possibly leading to growth reduction of the apical dome and effects on the cell cycle in pericycle cells and methionine metabolism in plants. |
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Language
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English
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Source (journal)
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Toxics. - 2013, currens
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Publication
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2023
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ISSN
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2305-6304
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DOI
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10.3390/TOXICS11110922
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Volume/pages
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11
:11
(2023)
, p. 1-16
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Article Reference
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922
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ISI
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001122750000001
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Pubmed ID
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37999574
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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