ArticleJournal of experimental botany2017
The apoplasmic pathway via the root apex and lateral roots contributes to Cd hyperaccumulation in the hyperaccumulator Sedum alfredii.
Article in Journal of experimental botany, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 56 citations in OpenAlex.
- Phosphorus-Deficiency-Induced Development of Root Apoplastic Barriers Restricts Cadmium Translocation inPlants (Basel, Switzerland) · 2026Article
- Protective effects of melatonin on cadmium subcellular distribution, biochemical, and anatomical alterations in Malva parviflora roots.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2025Article
- Research Progress and Hotspots Analysis of Apoplastic Barriers in the Roots of Plants Based on Bibliometrics from 2003 to 2023.Plants (Basel, Switzerland) · 2024Review
- New potential transporter CIPAS8 enhances cadmium hypersensitivity and cobalt tolerance.Plant cell reports · 2023Article
- Response of Cd, Zn Translocation and Distribution to Organic Acids Heterogeneity inPlants (Basel, Switzerland) · 2023Article
- Varietal responses of root characteristics to low nitrogen application explain the differing nitrogen uptake and grain yield in two rice varieties.Frontiers in plant science · 2023Article
- Role ofLife (Basel, Switzerland) · 2022Article
- NTA-assisted mineral element and lead transportation in Eremochloa ophiuroides (Munro) Hack.Environmental science and pollution research international · 2022Article
- Implication of exogenous abscisic acid (ABA) application on phytoremediation: plants grown in co-contaminated soil.Environmental science and pollution research international · 2022Article
- Endodermal apoplastic barriers are linked to osmotic tolerance in meso-xerophytic grassFrontiers in plant science · 2022Article
- Effects of Cadmium on Root Morpho-Physiology of Durum Wheat.Frontiers in plant science · 2022Article
- The regulatory role of abscisic acid on cadmium uptake, accumulation and translocation in plants.Frontiers in plant science · 2022Review
- Medical Plant Extract Purification from Cadmium(II) Using Modified Thermoplastic Starch and Ion Exchangers.Materials (Basel, Switzerland) · 2021Article
- Insight into nitrogen and phosphorus enrichment on cadmium phytoextraction of hydroponically grown Salix matsudana Koidz cuttings.Environmental science and pollution research international · 2020Article
- Exogenous abscisic acid (ABA) promotes cadmium (Cd) accumulation in Sedum alfredii Hance by regulating the expression of Cd stress response genes.Environmental science and pollution research international · 2020Article
- Root hair abundance impacts cadmium accumulation in Arabidopsis thaliana shoots.Annals of botany · 2018Article
Corrections and comments
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Authors and funding
10 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Although the significance of apoplasmic barriers in roots with regards to the uptake of toxic elements is generally known, the contribution of apoplasmic bypasses (ABs) to cadmium (Cd) hyperaccumulation is little understood. Here, we employed a combination of stable isotopic tracer techniques, an ABs tracer, hydraulic measurements, suberin lamellae staining, metabolic inhibitors, and antitranspirants to investigate and quantify the impact of the ABs on translocation of Cd to the xylem in roots of a hyperaccumulating (H) ecotype and a non-hyperaccumulating (NH) ecotype of Sedum alfredii. In the H ecotype, the Cd content in the xylem sap was proportional to hydrostatic pressure, which was attributed to pressure-driven flow via the ABs. The contribution of the ABs to Cd transportation to the xylem was dependent on the Cd concentration applied to the H ecotype (up to 37% at the highest concentration used). Cd-treated H ecotype roots showed significantly higher hydraulic conductance compared with the NH ecotype (76 vs 52 × 10–8 m s–1MPa–1), which is in accordance with less extensive suberization due to reduced expression of suberin-related genes. The main entry sites of apoplasmically transported Cd were localized in the root apexes and lateral roots of the H ecotype, where suberin lamellae were not well developed. These findings highlight the significance of the apoplasmic bypass in Cd hyperaccumulation in hyperaccumulating ecotypes of S. alfredii.
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