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The OsERF115/AP2EREBP110 Transcription Factor Is Involved in the Multiple Stress Tolerance to Heat and Drought in Rice Plants
| Content Provider | MDPI |
|---|---|
| Author | Park, Seong-Im Kwon, Hyeok Cho, Mi Song, Ji Kim, Beom-Gi Baek, Jeongho Kim, Song Ji, Hyeonso Kwon, Taek-Ryoun Kim, Kyung-Hwan |
| Copyright Year | 2021 |
| Description | The AP2/EREBP family transcription factors play important roles in a wide range of stress tolerance and hormone signaling. In this study, a heat-inducible rice ERF gene was isolated and functionally characterized. The OsERF115/AP2EREBP110 was categorized to Group-IIIc of the rice AP2/EREBP family and strongly induced by heat and drought treatment. The OsERF115/AP2EREBP110 protein targeted to nuclei and suppressed the ABA-induced transcriptional activation of Rab16A promoter in rice protoplasts. Overexpression of OsERF115/AP2EREBP110 enhanced thermotolerance of seeds and vegetative growth stage plants. The OsERF115/AP2EREBP110 overexpressing (OE) plants exhibited higher proline level and increased expression of a proline biosynthesis P5CS1 gene. Phenotyping of water use dynamics of the individual plant indicates that the OsERF115/AP2EREBP110-OE plant exhibited better water saving traits under heat and drought combined stress. Our combined results suggest the potential use of OsERF115/AP2EREBP110 as a candidate gene for genetic engineering approaches to develop heat and drought stress-tolerant crops. |
| Starting Page | 7181 |
| e-ISSN | 14220067 |
| DOI | 10.3390/ijms22137181 |
| Journal | International Journal of Molecular Sciences |
| Issue Number | 13 |
| Volume Number | 22 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2021-07-02 |
| Access Restriction | Open |
| Subject Keyword | International Journal of Molecular Sciences Plant Sciences Rice Oserf115/ap2erebp110 Heat and Drought Tolerance Water Use Efficiency |
| Content Type | Text |
| Resource Type | Article |