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Reference Detail
| Reference | ||
|---|---|---|
| Author | Lu S., Ye J., Li H., He F., Qi Y., Wang T., Wang W., Zheng L. | |
| Title | The Splicing Factor OsSCL26 Regulates Phosphorus Homeostasis in Rice. | |
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Abstract: Phosphorus (P) is an essential nutrient for plant growth. However, its deficiency poses a significant challenge for crop production. To overcome the low P availability, plants have developed various strategies to regulate their P uptake and usage. In this study, we identified a splicing factor, OsSCL26, belonging to the Serine/arginine-rich (SR) proteins, that plays a crucial role in regulating P homeostasis in rice. <i>OsSCL26</i> is expressed in the roots, leaves, and base nodes, with higher expression levels observed in the leaf blades during the vegetative growth stage. The OsSCL26 protein is localized in the nucleus. Mutation of <i>OsSCL26</i> resulted in the accumulation of P in the shoot compared to the wild-type, and the dwarf phenotype of the <i>OsSCL26</i> mutant was alleviated under low P conditions. Further analysis revealed that the accumulated P concentrations in the <i>OsSCL26</i> mutant were higher in the old leaves and lower in the new leaves. Furthermore, the P-related genes, including the PHT and SPX family genes, were upregulated in the <i>OsSCL26</i> mutant, and the exclusion/inclusion ratio of the two genes, <i>OsSPX-MFS2</i> and <i>OsNLA2</i>, was increased compared to wild-type rice. These findings suggest that the splicing factor OsSCL26 plays a pivotal role in maintaining P homeostasis in rice by influencing the absorption and distribution of P through the regulation of the transcription and splicing of the P transport genes. |
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| Journal | Plants (Basel) | |
| Country | China | |
| Volume | 12(12) | |
| Pages | ||
| Year | 2023 | |
| PubMed ID | 37375951 | |
| PubMed Central ID | 10302782 | |
| DOI | 10.3390/plants12122326 | |
| URL | - | |
| Relation | ||
| Gene | PT1 PT14 PT22 RFPHC-1 SCL26 SPX-MFS1 SPX-MFS2 SPX2 | |
| INSD | - | |
| Strain | Wild Core Collection | - |
| Induced Mutation Lines(NIG Collection) | - | |
| Sterile Seed Strain | - | |
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Lethal Embryo Mutantion Strain |
- | |
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Stages in Each Organ - Muant Lines (Gene) |
- | |
| Cultivated Varieties(NIG Collection) | - | |
| Stages in Each Organ | - | |
