| Accession |
PRJCA021464 |
| Title |
Mitigating growth-stress tradeoffs via elevated TOR signaling in rice |
| Relevance |
Agricultural |
| Data types |
Transcriptome or Gene expression
|
| Organisms |
Oryza sativa Japonica Group
|
| Description |
Rice production accounts for approximately half of the freshwater resources utilized in agriculture, resulting in greenhouse gas emissions as methane (CH4) from flooded paddy fields. To address this challenge, environmentally friendly and cost-effective water-saving techniques have become widely adopted in rice cultivation. However, the implementation of water-saving treatments (WST) in paddy rice has been associated with a substantial yield loss of up to 50% as well as a reduction in nitrogen utilization efficiency (NUE). In this study, we discovered that the target of rapamycin (TOR) signaling pathway was compromised in rice under WST. By polysome profiling-coupled transcriptome sequencing (polysome-seq) analysis, we observed a substantial reduction in global translation in response to WST associated with the downregulation of TOR activity. Biochemical and genetic analyses revealed new insights into the impact of the TOR-S6K-RPS6 and TOR-MAF1 modules on global translation repression under WST.Intriguingly, ammonium exhibited a greater ability to alleviate growth constraints under WST by enhancing TOR signaling, which simultaneously promoted the uptake and utilization of ammonium and nitrogen allocation. We further demonstrated that TOR modulates AMT1;1 at the translational level through the 5' untranslated region .This study offered a new understanding of how enhancing TOR signaling could mitigate the rice yield penalty due to WST by regulating the processes involved in protein synthesis and NUE. Ultimately, our findings will contribute to developing new rice varieties with increased water and fertilizer utilization efficiency, thereby realizing sustainable and efficient rice production. |
| Sample scope |
Multiisolate |
| Release date |
2023-12-24 |
| Grants |
| Agency |
program |
Grant ID |
Grant title |
| Hainan Provincial Joint Project of Sanya Yazhou Bay Science and Technology City
|
|
320LH031
|
|
| Zhejiang Provincial Natural Science Foundation of China
|
|
LY21C020003
|
|
| Zhejiang University Global Partnership Fund, Fundamental Research Funds for the Central Universities
|
|
K20200168
|
|
| the Key Research and Development Program of Zhejiang
|
|
2020C02002
|
|
| National Natural Science Foundation of China (NSFC)
|
|
32201819
|
|
| China Postdoctoral Science Foundation
|
|
2022M712807
|
|
|
|
| Submitter |
wei
Li (liwei199106@zju.edu.cn)
|
| Organization |
Zhejiang University |
| Submission date |
2023-11-21 |
