ArticleJournal of plant research2013
Properties of lead deposits in cell walls of radish (Raphanus sativus) roots.
Article in Journal of plant research, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 48 citations in OpenAlex.
- The Modification of Cell Wall Properties Is Involved in the Growth Inhibition of Rice Coleoptiles Induced by Lead Stress.Life (Basel, Switzerland) · 2023Article
- Virtual issue: cell wall functions in plant growth and environmental responses.Journal of plant research · 2021Article
- Mitigation of Pb toxicity by Mn in seedling of the cacao clonal CCN 51 genotype grown in soil: physiological, biochemical, nutritional and molecular responses.Ecotoxicology (London, England) · 2021Article
- Genome-Wide Association Study Reveals Key Genes for Differential Lead Accumulation and Tolerance in NaturalFrontiers in plant science · 2021Article
- Lead Toxicity in Cereals: Mechanistic Insight Into Toxicity, Mode of Action, and Management.Frontiers in plant science · 2020Review
- The effect of lead pollution on nutrient solution pH and concomitant changes in plant physiology of two contrasting Solanum melongena L. cultivars.Environmental science and pollution research international · 2019Article
- Use of rhodizonic acid for rapid detection of root border cell trapping of lead and reversal of trapping with DNase.Applications in plant sciences · 2019Article
- Deciphering the growth, organic acid exudations, and ionic homeostasis of Amaranthus viridis L. and Portulaca oleracea L. under lead chloride stress.Environmental science and pollution research international · 2018Article
- Metabolomic analysis with GC-MS to reveal potential metabolites and biological pathways involved in Pb &Cd stress response of radish roots.Scientific reports · 2015Article
- Transport, ultrastructural localization, and distribution of chemical forms of lead in radish (Raphanus sativus L.).Frontiers in plant science · 2015Article
- The effect of pre-incubation of Allium cepa L. roots in the ATH-rich extract on Pb uptake and localization.Protoplasma · 2013Article
- Article
- Effect of lead on root growth.Frontiers in plant science · 2013Article
Corrections and comments
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Various mechanisms are involved in detoxification of heavy metals such as lead (Pb) in plant cells. Most of the Pb taken up by plants accumulates in their roots. However, the detailed properties of Pb complexes in roots remain unclear. We have investigated the properties of Pb deposits in root cell walls of radish (Raphanus sativus L.) seedlings grown on glass beads bed containing Pb pellets, which are the source of Pb-contamination in shooting range soils. Pb deposits were tightly bound to cell walls. Cell wall fragments containing about 50,000 ppm Pb were prepared from the roots. After extracting Pb from the cell wall fragments using HCl, Pb ions were recombined with the Pb-extracted cell wall fragments in a solution containing Pb acetate. When the cell wall fragments were treated with pectinase (E.C. 3.2.1.15) and were chemically modified with 1-ethyl-3-dimethylamino-propylcarboimide, the Pb-rebinding ability of the treated cell wall fragments decreased. When acid-treated cell wall fragments were incubated in a solution containing Pb(2+) and excess amounts of a chelating agent, Pb recombined with the cell wall fragments were measured to estimate the affinity between Pb(2+) and the cell wall fragments. Our data show that Pb(2+) binds to carboxyl groups of cell walls. The source of the carboxyl groups is suggested to be pectic compounds. A stability constant of the Pb-cell wall complex was estimated to be about 10(8). The role of root cell walls in the mechanism underlying heavy metal tolerance was discussed.
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