ArticlePlanta2006
Zinc compartmentation in root, transport into xylem, and absorption into leaf cells in the hyperaccumulating species of Sedum alfredii Hance.
Article in Planta, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed, 139 citations in OpenAlex.
- Elevated expression of SaMTP8.1 is involved in internal Mn detoxification in the hyperaccumulating ecotype of Sedum alfredii.The Plant journal : for cell and molecular biology · 2025Article
- The Effect of EndophyticPlants (Basel, Switzerland) · 2021Article
- Low-molecular-weight ligands in plants: role in metal homeostasis and hyperaccumulation.Photosynthesis research · 2021Review
- Suppression ofInternational journal of molecular sciences · 2021Article
- The endophytic bacterium Sphingomonas SaMR12 alleviates Cd stress in oilseed rape through regulation of the GSH-AsA cycle and antioxidative enzymes.BMC plant biology · 2020Article
- Zinc biofortification of cereals-role of phosphorus and other impediments in alkaline calcareous soils.Environmental geochemistry and health · 2019Review
- Chive (Allium schoenoprasum L.) response as a phytoextraction plant in cadmium-contaminated soils.Environmental science and pollution research international · 2019Article
- Sedum alfredii SaNramp6 Metal Transporter Contributes to Cadmium Accumulation in Transgenic Arabidopsis thaliana.Scientific reports · 2017Article
- Integration of small RNAs, degradome and transcriptome sequencing in hyperaccumulator Sedum alfredii uncovers a complex regulatory network and provides insights into cadmium phytoremediation.Plant biotechnology journal · 2016Article
- Chelator-induced phytoextraction of zinc and copper by rice seedlings.Ecotoxicology (London, England) · 2014Article
- The endophytic bacterium, Sphingomonas SaMR12, improves the potential for zinc phytoremediation by its host, Sedum alfredii.PloS one · 2014Article
- Transcriptomic analysis of cadmium stress response in the heavy metal hyperaccumulator Sedum alfredii Hance.PloS one · 2014Article
- Improved cadmium uptake and accumulation in the hyperaccumulator Sedum alfredii: the impact of citric acid and tartaric acid.Journal of Zhejiang University. Science. B · 2013Article
- Tolerance to high Zn in the metallophyte Erica andevalensis Cabezudo & Rivera.Ecotoxicology (London, England) · 2012Article
- Lead tolerance and physiological adaptation mechanism in roots of accumulating and non-accumulating ecotypes of Sedum alfredii.Environmental science and pollution research international · 2012Article
- Cellular sequestration of cadmium in the hyperaccumulator plant species Sedum alfredii.Plant physiology · 2011Article
- Zinc compartmentation in Halimione portulacoides (L.) Aellen and some effects on leaf ultrastructure.Environmental science and pollution research international · 2011Article
- Characterization of (68)Zn uptake, translocation, and accumulation into developing grains and young leaves of high Zn-density rice genotype.Journal of Zhejiang University. Science. B · 2011Article
- Phytoremediation of heavy metal polluted soils and water: progresses and perspectives.Journal of Zhejiang University. Science. B · 2008Review
- Enhanced root-to-shoot translocation of cadmium in the hyperaccumulating ecotype of Sedum alfredii.Journal of experimental botany · 2008Article
Corrections and comments
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Authors and funding
6 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Sedum alfredii Hance can accumulate Zn in shoots over 2%. Leaf and stem Zn concentrations of the hyperaccumulating ecotype (HE) were 24- and 28-fold higher, respectively, than those of the nonhyperaccumulating ecotype (NHE), whereas 1.4-fold more Zn was accumulated in the roots of the NHE. Approximately 2.7-fold more Zn was stored in the root vacuoles of the NHE, and thus became unavailable for loading into the xylem and subsequent translocation to shoot. Long-term efflux of absorbed 65Zn indicated that 65Zn activity was 6.8-fold higher in shoots but 3.7-fold lower in roots of the HE. At lower Zn levels (10 and 100 microM), there were no significant differences in 65Zn uptake by leaf sections and intact leaf protoplasts between the two ecotypes except that 1.5-fold more 65Zn was accumulated in leaf sections of the HE than in those of the NHE after exposure to 100 microM for 48 h. At 1,000 microM Zn, however, approximately 2.1-fold more Zn was taken up by the HE leaf sections and 1.5-fold more 65Zn taken up by the HE protoplasts as compared to the NHE at exposure times >16 h and >10 min, respectively. Treatments with carbonyl cyanide m-chlorophenylhydrazone (CCCP) or ruptured protoplasts strongly inhibited 65Zn uptake into leaf protoplasts for both ecotypes. Citric acid and Val concentrations in leaves and stems significantly increased for the HE, but decreased or had minimal changes for the NHE in response to raised Zn levels. These results indicate that altered Zn transport across tonoplast in the root and stimulated Zn uptake in the leaf cells are the major mechanisms involved in the strong Zn hyperaccumulation observed in S. alfredii H.
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