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| Reference | ||
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| Author | Zhu S., Du X., Zhao W., Yang X., Sheng L., Mao H., Su S. | |
| Title | Integrated Proteomic and Transcriptomic Analysis Reveals the Mechanism of Selenium-Mediated Cell Wall Polysaccharide in Rice (<i>Oryza sativa</i> L.) Cadmium Detoxification. | |
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Abstract: Cadmium (Cd) toxicity destroys plant cells and affects plant growth and development. Due to its unique metallic properties, selenium (Se) has been shown to be effective in antioxidants, cellular immunity, and heavy metal detoxification. When Se and Cd are present together in plants, they antagonize. However, the mechanism of action of the two in the rice cell wall remains to be clarified. In this study, we analyzed the mechanism of Cd detoxification by rice (<i>Oryza sativa</i> L.) cellular polysaccharides mediated by Se, using the cell wall as an entry point. Proteomic and transcriptomic analyses revealed that "Glycosyl hydrolases family 17", "O-methyltransferase", and "Polygalacturonase" protein pathways were significantly expressed in the cell wall. The most abundant enzymes involved in polysaccharide biosynthesis were found, including bglB, otsB, HK, PFP, ADH1, and ALDH, which resulted in the synthetic pathway of polysaccharide formation in the rice cell wall. Finally, the essential genes/proteins, such as protein Os03g0170500, were identified. The study showed that Se inhibits Cd uptake and transport when Se (1 mg/kg) is low relative to Cd (3 mg/kg), has little inhibitory effect, and even promotes Cd (3 mg/kg) uptake when Se (5 mg/kg) is relatively high. |
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| Journal | Toxics | |
| Country | China | |
| Volume | 13(8) | |
| Pages | ||
| Year | 2025 | |
| PubMed ID | 40863918 | |
| PubMed Central ID | 12390211 | |
| DOI | 10.3390/toxics13080642 | |
| URL | - | |
| Relation | ||
| Gene | ADH1 ADH2 ALDH3E2 BGLU18 BGLU20 BGLU28 BGLU38 BGLU6 HXK7 HXK8 HXK9 PBGLU PFPA3 PFPB TPP1 TPP2 TPP6 TPP9 _ _ _ _ _ _ _ | |
| INSD | - | |
| Strain | Wild Core Collection | - |
| Induced Mutation Lines(NIG Collection) | - | |
| Sterile Seed Strain | - | |
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Lethal Embryo Mutantion Strain |
- | |
|
Stages in Each Organ - Muant Lines (Gene) |
- | |
| Cultivated Varieties(NIG Collection) | - | |
| Stages in Each Organ | - | |
