ArticleAnnals of botany2009
Temporal regulation of cell-wall pectin methylesterase and peroxidase isoforms in cadmium-treated flax hypocotyl.
Article in Annals of botany, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed, 65 citations in OpenAlex.
- Pectin under stress: Pectin methylesterases at the core of cell wall remodeling, integrity sensing, and signaling in plants.Plant communications · 2026Review
- Biometric and physiological responses of Virola Surinamensis to cadmium and biochar in amazonian soil.Scientific reports · 2025Article
- Hydrogen Peroxide Is Involved in Methane-Alleviated Cadmium Toxicity in Alfalfa (Plants (Basel, Switzerland) · 2024Article
- Low concentrations of methyl jasmonate promote plant growth and mitigate Cd toxicity in Cosmos bipinnatus.BMC plant biology · 2024Article
- Decrypting Molecular Mechanisms Involved in Counteracting Copper and Nickel Toxicity in Jack Pine (Plants (Basel, Switzerland) · 2024Article
- Rare Earth Elements (REEs) Adsorption and Detoxification Mechanisms in Cell Wall Polysaccharides ofPlants (Basel, Switzerland) · 2023Article
- A multiomics approach reveals the pivotal role of subcellular reallocation in determining rapeseed resistance to cadmium toxicity.Journal of experimental botany · 2019Article
- Cadmium and Plant Development: An Agony from Seed to Seed.International journal of molecular sciences · 2019Review
- Does long-term cadmium exposure influence the composition of pectic polysaccharides in the cell wall of Medicago sativa stems?BMC plant biology · 2019Article
- Chelators induced uptake of cadmium and modulation of water relation, antioxidants, and photosynthetic traits of maize.Environmental science and pollution research international · 2019Article
- Aeration Increases Cadmium (Cd) Retention by Enhancing Iron Plaque Formation and Regulating Pectin Synthesis in the Roots of Rice (Oryza sativa) Seedlings.Rice (New York, N.Y.) · 2019Article
- Long-term cadmium exposure influences the abundance of proteins that impact the cell wall structure in Medicago sativa stems.Plant biology (Stuttgart, Germany) · 2018Article
- Changes in the Proteome ofInternational journal of molecular sciences · 2018Article
- Reciprocal Interactions between Cadmium-Induced Cell Wall Responses and Oxidative Stress in Plants.Frontiers in plant science · 2017Review
- Role ofFrontiers in plant science · 2017Article
- Cell Wall Metabolism in Response to Abiotic Stress.Plants (Basel, Switzerland) · 2015Review
- Target or barrier? The cell wall of early- and later-diverging plants vs cadmium toxicity: differences in the response mechanisms.Frontiers in plant science · 2015Article
- Homogalacturonan-modifying enzymes: structure, expression, and roles in plants.Journal of experimental botany · 2014Review
- New insights into regulation of proteome and polysaccharide in cell wall of Elsholtzia splendens in response to copper stress.PloS one · 2014Article
- Spatial regulation of cell-wall structure in response to heavy metal stress: cadmium-induced alteration of the methyl-esterification pattern of homogalacturonans.Annals of botany · 2010Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsIn hypocotyls of flax (Linum usitatissimum) cadmium-induced reorientation of growth (i.e. an increase in expansion and a decrease in elongation) coincides with marked changes in the methylesterification and cross-linking of homogalacturonans within various cell-wall (CW) domains. The aim of the present study was to examine the involvement of pectin methylesterase (PME) and peroxidase (PER) in this cadmium-induced CW remodelling.
methodsCW proteins were extracted from hypocotyls of 10- and 18-d-old flax that had been treated or not treated with 0.5 mm Cd(NO(3))(2). PME and PER expression within these extracts was detected by LC/MS, by isoelectric focusing and enzyme activity assays. Transcript expression by RT-PCR of known flax PME and PER genes was also measured in corresponding samples. KEY
resultsIn cadmium-treated seedlings, PME activity increased as compared with controls, particularly at day 10. The increased activity of PME was accompanied by increased abundance of both a basic protein isoform (B2) and a particular transcript (Lupme5). In contrast, induction of PER activity by cadmium was highest at day 18. Among the four reported PER genes, Flxper1 and 3 increased in abundance in the presence of cadmium at day 18.
conclusionsThe temporal regulation of Lupme and Flxper genes and of their respective enzyme activities fits the previously reported cadmium-induced structural changes of homogalacturonans within the CWs. After PME-catalysed de-esterification of homogalacturonans, their cross-linking would depend on the activity of PERs interacting with calcium-dimerized blocks and reinforce the cell cohesion during the cadmium-induced swelling.
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