ArticleJournal of experimental botany2012
Cadmium interferes with auxin physiology and lignification in poplar.
Article in Journal of experimental botany, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.
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Who cites it
38 citing papers in PubMed, 156 citations in OpenAlex.
- The Dual Role of Lignin in Fruit Trees: Unraveling Regulatory Networks from Stress Resilience to Quality Control.Plants (Basel, Switzerland) · 2026Review
- Advances in Genetic Engineering Techniques for Improved Forest Trees: Applications in Biomass, Stress Resilience and Carbon Sequestration.International journal of molecular sciences · 2025Review
- Effects of Chlortetracycline on Lignin Biosynthesis inInternational journal of molecular sciences · 2025Article
- Comparative Efficacy of Melatonin and Brassinolide in Mitigating the Adverse Effects of Cadmium onInternational journal of molecular sciences · 2025Article
- Role of mi RNA in Phytoremediation of Heavy Metals and Metal Induced Stress Alleviation.Applied biochemistry and biotechnology · 2023Review
- The TabHLH094-TaMYC8 complex mediates the cadmium response in wheat.Molecular breeding : new strategies in plant improvement · 2023Article
- Chromosome-level reference genome of tetraploid Isoetes sinensis provides insights into evolution and adaption of lycophytes.GigaScience · 2022Article
- Insight intoPhysiology and molecular biology of plants : an international journal of functional plant biology · 2022Article
- Lignin biosynthesis and accumulation in response to abiotic stresses in woody plants.Forestry research · 2022Review
- Cadmium Phytotoxicity, Tolerance, and Advanced Remediation Approaches in Agricultural Soils; A Comprehensive Review.Frontiers in plant science · 2022Review
- Hydroponic cultivation conditions allowing the reproducible investigation of poplar root suberization and water transport.Plant methods · 2021Article
- Uncovering How Auxin Optimizes Root Systems Architecture in Response to Environmental Stresses.Cold Spring Harbor perspectives in biology · 2021Review
- Synergies and Entanglement in Secondary Cell Wall Development and Abiotic Stress Response in Trees.Frontiers in plant science · 2021Review
- Article
- Hydrogen sulfide negatively regulates cd-induced cell death in cucumber (Cucumis sativus L) root tip cells.BMC plant biology · 2020Article
- Endomembrane Reorganization Induced by Heavy Metals.Plants (Basel, Switzerland) · 2020Review
- Evaluation of three wheat (PeerJ · 2020Article
- Alternative Pathway is Involved in Nitric Oxide-Enhanced Tolerance to Cadmium Stress in Barley Roots.Plants (Basel, Switzerland) · 2019Article
- Does long-term cadmium exposure influence the composition of pectic polysaccharides in the cell wall of Medicago sativa stems?BMC plant biology · 2019Article
- Comparative proteomics analysis of peanut roots reveals differential mechanisms of cadmium detoxification and translocation between two cultivars differing in cadmium accumulation.BMC plant biology · 2019Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cadmium (Cd) is a phytotoxic heavy metal that causes rapid growth reduction. To investigate if Cd interferes with the metabolism of auxin, a major growth hormone in plants, poplars (Populus × canescens) expressing a heterologous GH3::GUS reporter gene were exposed to 50 μM Cd in hydroponic solutions. Growth, photosynthetic performance, lignification, peroxidase activity, auxin concentration, and GUS staining were determined in order to record the activities of GH3 enzymes in the stem apex, the elongation zone, wood in the zone of radial growth, and in roots. Cd-induced growth reductions were tissue-specific decreasing in the order: roots>wood>shoot elongation and leaf initiation, whereas Cd concentrations increased in the order: leaves<wood<roots. Cd almost abolished the GH3 signal in the stem apex but caused strong increases in the vascular system of roots as well as in parenchymatic cells in the xylem. These changes were accompanied by increases in lignin and peroxidase activities and decreases in auxin concentrations. Since GH3 enzymes remove auxin from the active pool by conjugation and act as mediators between growth and defence, our data suggest that Cd stress triggered increases in GH3 activities which, in turn, depleted auxin in wood and thereby shunted the metabolism to enhanced formation of lignin.
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