ArticleEnvironmental science and pollution research international2016
Changes in subcellular distribution and antioxidant compounds involved in Pb accumulation and detoxification in Neyraudia reynaudiana.
Article in Environmental science and pollution research international, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 49 citations in OpenAlex.
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- Integrative biochar and melatonin application mitigates lead toxicity in rice by modulating antioxidant activities and iron plaque formation and downregulating the expression of metal uptake genes.Frontiers in plant science · 2025Article
- Lead toxicity in plants: mechanistic insights into toxicity, physiological responses of plants and mitigation strategies.Plant signaling & behavior · 2024Review
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- Pieces of evidence of enhanced cellulose biosynthesis in the low-Cd cultivar and high expression level of transportation genes in the high-Cd cultivar of Lactuca sativa.Environmental science and pollution research international · 2022Article
- Effect of Fungal EndophyteJournal of fungi (Basel, Switzerland) · 2022Article
- Histological and proteome analyses of3 Biotech · 2021Article
- Genome-Wide Association Study Reveals Key Genes for Differential Lead Accumulation and Tolerance in NaturalFrontiers in plant science · 2021Article
- Characterisation of early responses in lead accumulation and localization of Salix babylonica L. roots.BMC plant biology · 2020Article
- Trophic transfer and bioaccumulation of lead along soil-plant-aphid-ladybird food chain.Environmental science and pollution research international · 2019Article
- Effect of ethylenediaminetetraacetic acid and biochar on Cu accumulation and subcellular partitioning in Amaranthus retroflexus L.Environmental science and pollution research international · 2019Article
- Improvement of the phytoremediation efficiency of Neyraudia reynaudiana for lead-zinc mine-contaminated soil under the interactive effect of earthworms and EDTA.Scientific reports · 2018Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The effects of increasing concentrations of lead (Pb) on Pb accumulation, subcellular distribution, ultrastructure, photosynthetic characteristics, antioxidative enzyme activity, malondialdehyde content, and phytochelatin contents were investigated in Neyraudia reynaudiana seedlings after a 21-day exposure. A Pb analysis at the subcellular level showed that the majority of Pb in the roots was associated with the cell wall fraction, followed by the soluble fraction. In contrast, the majority of the Pb in the leaves was located in the soluble fraction based on transmission electron microscopy and energy dispersive X-ray analyses. Furthermore, high Pb concentrations adversely affected N. reynaudiana cellular structure. The changes in enzyme activity suggested that the antioxidant system plays an important role in eliminating or alleviating Pb toxicity, both in the roots and leaves of N. reynaudiana. Additionally, the phytochelatin contents in the roots and leaves differed significantly between Pb-spiked treatments and control plants. Our results provide strong evidence that cell walls restrict Pb uptake into the protoplasm and establish an important protective barrier. Subsequent vacuolar compartmentalization in leaves could isolate Pb from other substances in the cell and minimize Pb toxicity in other organelles over time. These results also demonstrated that the levels of antioxidant enzymes and phytochelatin in leaves and roots are correlated with Pb toxicity. These detoxification mechanisms promote Pb tolerance in N. reynaudiana.
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