ArticleEnvironmental science and pollution research international2021
Cadmium uncouples mitochondrial oxidative phosphorylation and induces oxidative cellular stress in soybean roots.
Article in Environmental science and pollution research international, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 13 citations in OpenAlex.
- The Arabidopsis receptor-like kinase WAKL4 limits cadmium uptake via phosphorylation and degradation of NRAMP1 transporter.Nature communications · 2024Article
- Subcellular Proteomics to Elucidate Soybean Response to Abiotic Stress.Plants (Basel, Switzerland) · 2023Review
- Effects of Phytochelatin-like Gene on the Resistance and Enrichment of CdInternational journal of molecular sciences · 2022Article
- Mitochondria Specific Antioxidant, MitoTEMPO, Modulates Cd Uptake and Oxidative Response of Soybean Seedlings.Antioxidants (Basel, Switzerland) · 2022Article
- Adaptation of the Invasive Plant (Frontiers in plant science · 2022Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
Abstract
Cadmium (Cd) inhibits soybean root growth, but its exact mode of action is still not completely understood. We evaluated the effects of Cd on growth, mitochondrial respiration, lipid peroxidation, total phenols, glutathione, and activities of lipoxygenase (LOX), superoxide dismutase (SOD), and catalase (CAT) in soybean roots. In primary roots, Cd stimulated KCN-insensitive respiration and KCN-SHAM-insensitive respiration, indicating the involvement of the alternative oxidase (AOX) pathway, while it decreased KCN-sensitive respiration, suggesting an inhibition of the cytochrome oxidase pathway (COX). In isolated mitochondria, Cd uncoupled the oxidative phosphorylation since it decreased state III respiration (coupled respiration) and ADP/O and respiratory control ratios, while it increased state IV respiration (depletion of exogenously added ADP). The uncoupling effect increased extramitochondrial LOX activity, lipid peroxidation, and oxidized and reduced glutathione, which induced an antioxidant response with enhanced SOD and CAT activities. In brief, our findings reveal that Cd acts as an uncoupler of the mitochondrial oxidative phosphorylation in soybean roots, disturbing cellular respiration and inducing oxidative cellular stress.
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