The accumulation and fractionation of Rare Earth Elements in hydroponically grown Phytolacca americana L.

Yuan, Ming; Guo, Min; Liu, Wen-Shen; Liu, Chang; Ent, Antony van der; Morel, Jean-Louis; Huot, Hermine; Zhao, Wanying; Wei, Xiange; Qiu, Rongliang; Tang, Yetao

doi:10.1007/s11104-017-3426-3

Cited by 56 publications

(34 citation statements)

References 73 publications

(93 reference statements)

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“…3a). Our results with P. americana are consistent with those from a previous study, carried out with the same species also grown hydroponically, where a similar REE accumulation capacity was reported 21 . As a comparison, P. americana accumulated in the leaves at approximately 300 and 500 mg/kg REEs when exposed to 10 and 100 µM REEs, respectively 21 .…”

Section: Resultssupporting

confidence: 92%

“…The preferential translocation of HREEs to shoots had already been observed for P. americana grown either under hydroponic conditions or naturally in REE-mining areas 7,21 . In non-accumulating species, a higher transfer of HREEs vs LREEs has also been reported in several angiosperms, notably wheat 31,32 , soybean 33 and rice 34 .…”

Section: Resultsmentioning

confidence: 56%

“…Moreover, our data are in agreement with those described by Yuan et al . (2017) for P. americana , where a TF of approximately 0.1 was reported 21 .…”

Section: Resultsmentioning

confidence: 98%

“…(2017, 2018) observed a higher translocation of HREEs in the leaves compared to LREEs, while more LREEs accumulated in the roots and stems. Organic or amino acids have been implicated in complexing REEs and participating in the long-distance transport of these elements in P. americana 20,21 . Combined, these features would be of great interest for the phytoremediation of REE-contaminated soils.…”

Section: Introductionmentioning

confidence: 99%

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Accumulation and fractionation of rare earth elements are conserved traits in the Phytolacca genus

Grosjean

Jean

Berthelot

et al. 2019

Sci Rep

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Rare earth elements (REEs) are now considered emerging pollutants in the environment. Phytolacca americana, an REE hyperaccumulating plant, has been proposed for the remediation of REE-contaminated soils. However, there is no REE-related information for other Phytolacca species. Here, we examined five species (P. americana, P. acinosa, P. clavigera, P. bogotensis, and P. icosandra) for their response to REEs. REE accumulation and fractionation traits both occurred on the same order of magnitude among the five species. Heavy REEs were preferentially transferred to leaves relative to light REEs. Regardless of the species, lateral root length and chlorophyll content decreased under REE exposure, and lateral roots and foliar anthocyanins increased. However, plants did not experience or only slightly experienced oxidative stress. Finally, REE exposure strongly modulated the ionome of roots and, to a lesser extent, that of leaves, with a negative correlation between REE and Mn contents. In conclusion, our study provides new data on the response of several Phytolacca species to REEs. Moreover, we highlighted that the REE accumulation trait was conserved among Phytolacca species. Thus, we provide valuable information for the phytoremediation of REE-contaminated sites since the most appropriate Phytolacca species could be selected depending on the climatic/pedological area to be remediated.

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Section: Resultssupporting

confidence: 92%

Section: Resultsmentioning

confidence: 56%

“…Moreover, our data are in agreement with those described by Yuan et al . (2017) for P. americana , where a TF of approximately 0.1 was reported 21 .…”

Section: Resultsmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

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Accumulation and fractionation of rare earth elements are conserved traits in the Phytolacca genus

Grosjean

Jean

Berthelot

et al. 2019

Sci Rep

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“…Recently, several studies have investigated the translocation and fractionation of REE in P. americana which have shown a higher translocation of HREE in the leaves compared to LREE, while more LREE accumulated in the roots and stems. 74,75 It is unknown how this species performs in extracting REE from Australian REE-rich substrates, provided appropriate weed risk management is undertaken. However, its fast growth rate makes it an attractive model to study the key physiological mechanisms involved with REE accumulation.…”

Section: Organic Acid Processingmentioning

confidence: 99%

Toward Closing a Loophole: Recovering Rare Earth Elements from Uranium Metallurgical Process Tailings

Vaughan

Tungpalan

Parbhakar-Fox

et al. 2020

JOM

Self Cite

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Rare earth elements are increasingly required for use in modern high-tech components, and primary production is necessary to meet the demand. Reprocessing legacy metallurgical tailings is advantageous, as the material has already been mined, beneficiated, upgraded, and contained in a single accessible location. The Mary Kathleen uranium process tailings in Queensland, Australia, provides an opportunity for this. The geology and historic process methods for the Mary Kathleen uranium mine are described along with known characteristics of the tailings material. Conventional and alternative REE processing options are reviewed, including phyto-extraction and other bio-technologies. Approaches to determining the appropriate pathway forward for Mary Kathleen tailings are then discussed.

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Methane production of rare earth element‐rich Dicranopteris dichotoma and effects of La(III) on anaerobic digestion performance of lignocellulose

Xing

Wang

Zhang

et al. 2022

J of Chemical Tech & Biotech

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BACKGROUND Phytoremediation by hyperaccumulators (such as Dicranopteris dichotoma) is widely used for the remediation of rare earth tailings in China. Accordingly, a large amount of rare earth‐rich plant residues is produced. Anaerobic digestion could convert biomass into energy. In this study, the anaerobic digestion performance of D. dichotoma, which is rich in rare earth elements (REEs), was investigated. Cellulose, xylan, and glucose served as the model substrates to explore the effects of La(III) on hydrolysis and methane production using batch anaerobic digestion. RESULTS The results indicated that the La(III) concentration of 500 mg/L inhibited methane production from cellulose with the reduciton of 20%. Inversely, no significant difference was found in the cumulative methane yield from glucose with different La(III) concentrations. The microbial community results showed that the lack of cellulose hydrolyzing bacteria, such as Clostridium III and Clostridium XlVa, may be the main reason for the inhibition of methane production. Furthermore, the methane yield of REE‐rich D. dichotoma was 181.5 ± 14.6 mL/g VS and the La(III) concentration of luquid digestate was only 2.20 mg/L. CONCLUSION The inhibition of La(III) on anaerobic digestion of lignocellulose was mainly in the hydrolysis process of cellulose, while the inhibition of xylan hydrolysis was relatively weak, and it had no significant effect on methanogenesis process of glucose. La(III) showed a small effect on the methane production of REE‐rich D. dichotoma due to a small amount of release into the liquid digestate. Anaerobic digestion may be a feasible way for treating lignocellulose plants contaminated with rare‐earth minerals. © 2022 Society of Chemical Industry (SCI).

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The accumulation and fractionation of Rare Earth Elements in hydroponically grown Phytolacca americana L.

Cited by 56 publications

References 73 publications

Accumulation and fractionation of rare earth elements are conserved traits in the Phytolacca genus

Accumulation and fractionation of rare earth elements are conserved traits in the Phytolacca genus

Toward Closing a Loophole: Recovering Rare Earth Elements from Uranium Metallurgical Process Tailings

Methane production of rare earth element‐rich Dicranopteris dichotoma and effects of La(III) on anaerobic digestion performance of lignocellulose

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