ArticleEnvironmental science and pollution research international2020
Exogenous abscisic acid (ABA) promotes cadmium (Cd) accumulation in Sedum alfredii Hance by regulating the expression of Cd stress response genes.
Article in Environmental science and pollution research international, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed, 83 citations in OpenAlex.
- RsWRKY15-RsPDR12 module regulates Cd uptake and accumulation by promoting Cd efflux in radish (Raphanus sativus L.).Molecular horticulture · 2026Article
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- Article
- Transcriptome and Physiological Analysis Reveals the Mechanism of Abscisic Acid in Regulating Cadmium Uptake and Accumulation in the HyperaccumulatorPlants (Basel, Switzerland) · 2025Article
- Exploring the role of ATP-binding cassette transporters in tomato (Frontiers in plant science · 2025Article
- An Overview of the Mechanisms through Which Plants Regulate ROS Homeostasis under Cadmium Stress.Antioxidants (Basel, Switzerland) · 2024Review
- Exogenous Application of Amino Acids Alleviates Toxicity in Two Chinese Cabbage Cultivars by Modulating Cadmium Distribution and Reducing Its Translocation.International journal of molecular sciences · 2024Article
- SpSIZ1 from hyperaccumulatorFrontiers in plant science · 2024Article
- Physiological and transcriptomic analyses reveal the cadmium tolerance mechanism of Miscanthus lutarioriparia.PloS one · 2024Article
- Overexpression ofInternational journal of molecular sciences · 2023Article
- Exogenous plant growth regulator and foliar fertilizers for phytoextraction of cadmium with Boehmeria nivea [L.] Gaudich from contaminated field soil.Scientific reports · 2023Article
- Abscisic-Acid-Regulated Responses to Alleviate Cadmium Toxicity in Plants.Plants (Basel, Switzerland) · 2023Review
- Exogenous silicon promotes cadmium (Cd) accumulation inFrontiers in plant science · 2023Article
- Molecular Mechanisms Underlying Flax (Plants (Basel, Switzerland) · 2022Article
- Silicon-Induced Tolerance against Arsenic Toxicity by Activating Physiological, Anatomical and Biochemical Regulation inPlants (Basel, Switzerland) · 2022Article
- Global leaf and root transcriptome in response to cadmium reveals tolerance mechanisms in Arundo donax L.BMC genomics · 2022Article
- Implication of exogenous abscisic acid (ABA) application on phytoremediation: plants grown in co-contaminated soil.Environmental science and pollution research international · 2022Article
- The regulatory role of abscisic acid on cadmium uptake, accumulation and translocation in plants.Frontiers in plant science · 2022Review
- Cadmium toxicity in medicinal plants: An overview of the tolerance strategies, biotechnological and omics approaches to alleviate metal stress.Frontiers in plant science · 2022Review
- Abscisic acid: Metabolism, transport, crosstalk with other plant growth regulators, and its role in heavy metal stress mitigation.Frontiers in plant science · 2022Review
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
Abstract
Sedum alfredii Hance is a zinc (Zn) and cadmium (Cd) hyperaccumulator plant. However, the regulatory role of plant hormones in the Zn or Cd uptake and accumulation of S. alfredii remains unclear. In this work, the growth, Cd accumulation, abscisic acid (ABA) synthesis and catabolism, malonaldehyde (MDA) content, and transcriptional level of some Cd stress response genes under ABA and Cd co-treatment were investigated to reveal the impact of ABA on Cd resistance and Cd accumulation of S. alfredii. The results show that 0.2 mg/L ABA and 100 μmol/L Cd co-treatment enhanced Cd accumulation and growth in S. alfredii, whereas lower or higher ABA concentrations weaken or even reverse this effect, which was positively correlated with endogenous ABA content. The increase in endogenous ABA content might be the results of the increasing ABA synthetase activities and decreasing ABA lytic enzyme, which was induced by the application of 0.2 mg/L ABA under 100 μmol/L Cd treatment. Principal component analysis (PCA) indicated that ABA impacted the expression pattern of Cd stress response genes, which coincided with the Cd accumulation pattern in the shoots of S. alfredii. Cross-over analysis of partial least squares-discriminant analysis (PLS-DA) and correlation analysis indicated that HsfA4c, HMA4 expression in roots, and HMA2, HMA3, CAD, NAS expression in shoots were correlated with endogenous ABA, which suggests that endogenous ABA improves Cd resistance of seedlings, switches the root-to-shoot transporter from HMA2 to HMA4, and transports more Cd into apoplasts to promote Cd accumulation in the shoots of S. alfredii. Taken together, ABA plays an essential role not only in Cd resistance but also in Cd transport from root to shoot in S. alfredii under Cd stress.
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