Phytotoxicity of lanthanum in rice in haplic acrisols and cambisols

Zeng, Qing‐Yin; Zhu, Jiang; Cheng, Hongguang; Xie, Zubin; Chu, Haiyan

doi:10.1016/j.ecoenv.2005.03.016

Cited by 63 publications

(32 citation statements)

References 15 publications

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“…There are also studies that correlate the presence of REE to a higher activity of the antioxidant enzymatic system [112,117,119,130,131,150]. , and 10…”

Section: Enzymatic Systemmentioning

confidence: 99%

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Rare Earth Elements in the Soil Environment

et al. 2016

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Rare earth elements (REE) are a homogenous group of 17 chemical elements in the periodic table that are key to many modern industries including chemicals, consumer electronics, clean energy, transportation, health care, aviation, and defense. Moreover, in recent years, they have been used in agriculture. One of the consequences of their worldwide use is the possible increase of their levels in various environmental compartments. This review addresses major topics concerning the study of REE in the soil environment, with special attention to the latest research findings. The main sources of REE to soils, the contents of REE in soils worldwide, and relevant information on the effects of REE to plants were explored. Ecological and human health risk issues related to the presence of REE in soils were also discussed. Although several findings reported positive effects of REE on plant growth, many questions about their biological role remain unanswered. Therefore, studies concerning the actual mechanism of action of these elements on cellular and physiological processes should be further refined. Even more urgent is to unveil their chemical behavior in soils and the ecological and human health risks that might be associated with the widespread use of REE in our modern society.

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“…There are also studies that correlate the presence of REE to a higher activity of the antioxidant enzymatic system [112,117,119,130,131,150]. , and 10…”

Section: Enzymatic Systemmentioning

confidence: 99%

“…There are also studies reporting the advantages of increased proline content in the presence of REE, eliminating reactive oxygen species (ROS) and promoting the inhibition of lipid peroxidation [109,112].…”

Section: Water Use Efficiencymentioning

confidence: 99%

Rare Earth Elements in the Soil Environment

et al. 2016

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“…However, effects of REEs on plant development vary a lot due to growth medium (pH value, cation exchange capacity, organic carbon, etc. ), bioavailability of REEs, and growth stages of plants [4][5][6].…”

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confidence: 99%

“…REE has stronger reactivity to non-metallic elements than calcium in biomolecules (oxygen, hydrogen, and nitrogen). REEs can also displace biometals in metallobiomolecules of membrane, metallic proteins and enzymes, leading to disturbance of mineral elements and cell membrane permeability [6,8]. The binding of REE can thus modify active conformations of biomolecules and disorder biological functions [8].…”

mentioning

confidence: 99%

Lanthanum Resulted in Unbalance of Nutrient Elements and Disturbance of Cell Proliferation Cycles in V. faba L. Seedlings

Wang

Xin-shi

Tian

et al. 2011

Biol Trace Elem Res

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Effects of lanthanum (La) on mineral nutrients, cell cycles, and root lengthening have been little reported. The present work investigated these physiological responses in roots of Vicia faba seedlings cultivated in La3+-contained solutions for 15 days. The results showed that the increasing contents of La in the roots and leaves contributed to disbalances of contents of Ca, Fe, Cu, Zn, Mg, Mn, P, and K elements, and potential redistributions of some elements in the roots and leaves. These disbalances might be involved in the subsequent alteration of cell cycle phases in the root tips. Low-dose promotion and high-dose inhibition (Hormetic effects) were demonstrated as the dose responses of G0/G1-, S- or G2/M-phase ratios. The cell cycles were most probably arrested at G1/S interphase by La3+ in the root tips. The fact that the root lengths were not consistent with the changes of cell cycle phases suggested that the cell proliferation activities might be masked by other factors (e.g., cell expansion) under long-time exposure to La3+.

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“…These and other technical innovations will strongly increase REE demand in the near future; hence, accumulation of these elements in the soil may become an environmental concern (Zeng et al, 2006;D'Aquino et al, 2009;Du and Graedel, 2011).…”

Section: Introductionmentioning

confidence: 99%

Rare Earth Element Concentrations in Brazilian Benchmark Soils

Silva

Nascimento

Silva

et al. 2016

Rev. Bras. Ciênc. Solo

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Studies regarding background concentrations of rare earth elements (REEs) are scarce and have mainly focused on a limited number of soil types from the northern hemisphere. The aim of this study was to determine REE concentrations in thirty-five benchmark soils of Brazil. Composite soil samples were taken from areas under native vegetation or with minimal anthropogenic influence. Concentrations of La, Ce, Pr, Nd, Sm, Eu, Gd, Yb, Lu, Dy, Er, Ho, Tb, Tm, Y, Sc, and Fe were determined by ICP-OES using a cyclonic spray chamber/nebulizer system after microwave acid digestion. Results were assessed by descriptive statistics, Pearson correlation, and principal component analysis (PCA). Regression analyses among Fe, organic carbon, and REEs were performed to provide a tool for estimating REE concentrations in soils. The REE concentrations in the Brazilian benchmark soils were in the following order: Ce > La > Nd > Pr > Y > Sm > Gd > Sc > Dy > Yb > Eu > Er > Tb > Ho > Lu > Tm. The clear decoupling between light and heavy rare earth elements in soils, indicated by multivariate analysis, is mainly related to differences in parent material. The lowest REE concentrations were found in sandy sediments, whereas the highest REE concentrations were observed in basalt, biotite gneiss, and clayey sediments. The organic carbon and Fe concentrations can properly predict REE concentrations in soils; such a finding can assist in estimating REE concentrations in soils not only in Brazil but also in similar soils developed under tropical conditions.

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Phytotoxicity of lanthanum in rice in haplic acrisols and cambisols

Cited by 63 publications

References 15 publications

Rare Earth Elements in the Soil Environment

Rare Earth Elements in the Soil Environment

Lanthanum Resulted in Unbalance of Nutrient Elements and Disturbance of Cell Proliferation Cycles in V. faba L. Seedlings

Rare Earth Element Concentrations in Brazilian Benchmark Soils

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