Critical review on phytoremediation of polyfluoroalkyl substances from environmental matrices: Need for global concern

Kavusi, Elaheh; Ansar, Behnaz Shahi Khalaf; Ebrahimi, Samira; Sharma, Ritika; Ghoreishi, Seyede Shideh; Nobaharan, Khatereh; Abdoli, Sima; Dehghanian, Zahra; Lajayer, Behnam Asgari; Senapathi, Venkatramanan; Price, G.W.; Astatkie, Tess

doi:10.1016/j.envres.2022.114844

Cited by 33 publications

(9 citation statements)

References 162 publications

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“…The dominance of short-chained PFASs in aboveground tissues and the dominance of long-chained PFASs in roots is in agreement with findings in other studies (as has been reviewed by Ghisi et al [12], Adu et al [18], and Kavusi et al [19]). PFAS uptake occurs pri-marily through energy-dependent active transport processes [20][21][22], which could involve carrier-mediated diffusion via aquaporins or transportation via anion channels [21,22].…”

Section: Discussionsupporting

confidence: 92%

Growth Hormones in Broad Bean (Vicia faba L.) and Radish (Raphanus raphanistrum subsp. sativus L.) Are Associated with Accumulated Concentrations of Perfluoroalkyl Substances

Groffen,

Kuijper,

Oden

et al. 2023

Toxics

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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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Section: Discussionsupporting

confidence: 92%

Growth Hormones in Broad Bean (Vicia faba L.) and Radish (Raphanus raphanistrum subsp. sativus L.) Are Associated with Accumulated Concentrations of Perfluoroalkyl Substances

Groffen,

Kuijper,

Oden

et al. 2023

Toxics

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show abstract

“…54 When terrestrial-vegetative PFAS are normalized to estimated soil water, the trend as a function of chain length inverts from negative to positive for Cl-PFPECAs and long-chain PFCAs, consistent with aquatic accumulation patterns, 54 suggesting the negative terrestrial VAF slopes for these long-chain PFAS compounds is influenced by sorbed vs bulk-water partitioning. These contrasting trends suggest the potential for aquatic-based food webs to accumulate relatively more toxic long-chain PFAS as compared to food-webs based in terrestrial vegetation and can have important implications for phytoremediation strategies, 58 as shown by Wang et al…”

Section: Environmental Implications and Outlookmentioning

confidence: 99%

Environmental Fate of Cl-PFPECAs: Accumulation of Novel and Legacy Perfluoroalkyl Compounds in Real-World Vegetation and Subsoils

Davis

Evich

Goodrow

et al. 2023

Environ. Sci. Technol.

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Per- and polyfluoroalkyl substances (PFAS) are globally distributed and potentially toxic compounds. We report accumulation of chloroperfluoropolyethercarboxylates (Cl-PFPECAs) and perfluorocarboxylates (PFCAs) in vegetation and subsoils in New Jersey. Lower molecular weight Cl-PFPECAs, containing 7–10 fluorinated carbons, and PFCAs containing 3–6 fluorinated carbons were enriched in vegetation relative to surface soils. Subsoils were dominated by lower molecular weight Cl-PFPECAs, a divergence from surface soils. Contrastingly, PFCA homologue profiles in subsoils were similar to surface soils, likely reflecting temporal-use patterns. Accumulation factors (AFs) for vegetation and subsoils decreased with increasing CF2, 6–13 for vegetation and 8–13 in subsoils. In vegetation, for PFCAs having CF2 = 3–6, AFs diminished with increasing CF2 as a more sensitive function than for longer chains. Considering that PFAS manufacturing has transitioned from long-chain chemistry to short-chain, this elevated vegetative accumulation of short-chain PFAS suggests the potential for unanticipated PFAS exposure levels globally in human and/or wildlife populations. This inverse relationship between AFs and CF2-count in terrestrial vegetation is opposite the positive relationship reported in aquatic vegetation suggesting aquatic food webs may be preferentially enriched in long-chain PFAS. AFs normalized to soil–water concentrations increased with chain length for CF2 = 6–13 in vegetation but remained inversely related to chain length for CF2 = 3–6, reflecting a fundamental change in vegetation affinity for short chains compared to long.

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“…5,6 Phytoremediation of PFAS has begun to receive attention due to its low cost, potential for community engagement, and moderate levels of success with other contaminant classes. [9][10][11][12] There are multiple approaches to phytoremediation. Plants can be used to degrade, stabilize, extract, or volatilize contaminants from soil.…”

Section: Introductionmentioning

confidence: 99%

“…5,6 Phytoremediation of PFAS has begun to receive attention due to its low cost, potential for community engagement, and moderate levels of success with other contaminant classes. 9–12…”

Section: Introductionmentioning

confidence: 99%

A comprehensive trial on PFAS remediation: hemp phytoextraction and PFAS degradation in harvested plants

Nason,

Thomas,

Stanley

et al. 2024

Environ. Sci.: Adv.

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Critical review on phytoremediation of polyfluoroalkyl substances from environmental matrices: Need for global concern

Cited by 33 publications

References 162 publications

Growth Hormones in Broad Bean (Vicia faba L.) and Radish (Raphanus raphanistrum subsp. sativus L.) Are Associated with Accumulated Concentrations of Perfluoroalkyl Substances

Growth Hormones in Broad Bean (Vicia faba L.) and Radish (Raphanus raphanistrum subsp. sativus L.) Are Associated with Accumulated Concentrations of Perfluoroalkyl Substances

Environmental Fate of Cl-PFPECAs: Accumulation of Novel and Legacy Perfluoroalkyl Compounds in Real-World Vegetation and Subsoils

A comprehensive trial on PFAS remediation: hemp phytoextraction and PFAS degradation in harvested plants

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