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Reference Detail
| Reference | ||
|---|---|---|
| Author | Cui L.H., Min H.J., Byun M.Y., Oh H.G., Kim W.T. | |
| Title | OsDIRP1, a Putative RING E3 Ligase, Plays an Opposite Role in Drought and Cold Stress Responses as a Negative and Positive Factor, Respectively, in Rice (<i>Oryza sativa</i> L.). | |
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Abstract: As higher plants are sessile organisms, they are unable to move to more favorable places; thus, they have developed the ability to survive under potentially detrimental conditions. Ubiquitination is a crucial post-translational protein modification and participates in abiotic stress responses in higher plants. In this study, we identified and characterized OsDIRP1 (<i>Oryza sativa</i> Drought-Induced RING Protein 1), a nuclear-localized putative RING E3 ubiquitin (Ub) ligase in rice (<i>Oryza sativa</i> L.). <i>OsDIRP1</i> expression was induced by drought, high salinity, and abscisic acid (ABA) treatment, but not by low temperature (4°C) stress, suggesting that <i>OsDIRP1</i> is differentially regulated by different abiotic stresses. To investigate its possible role in abiotic stress responses, <i>OsDIRP1</i>-overexpressing transgenic rice plants (<i>Ubi:OsDIRP1-sGFP</i>) were generated, and their phenotypes were analyzed. The T4 <i>Ubi:OsDIRP1-sGFP</i> lines showed decreased tolerance to drought and salt stress as compared to wild-type rice plants. Moreover, <i>Ubi:OsDIRP1-sGFP</i> progeny were less sensitive to ABA than the wild-type during both germination and post-germination growth. In contrast, <i>Ubi:OsDIRP1-sGFP</i> plants exhibited markedly higher tolerance to prolonged cold (4°C) treatment. These results suggest that OsDIRP1 acts as a negative regulator during drought and salt stress, whereas it functions as a positive factor during the cold stress response in rice. |
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| Journal | Front Plant Sci | |
| Country | South Korea | |
| Volume | 9 | |
| Pages | 1797 | |
| Year | 2018 | |
| PubMed ID | 30568669 | |
| PubMed Central ID | 6290360 | |
| DOI | 10.3389/fpls.2018.01797 | |
| URL | - | |
| Relation | ||
| Gene | DIRP1 DREB1A DREB1B DREB1D GAD3 MDR7 | |
| 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 | - | |
