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Reference Detail
| Reference | ||
|---|---|---|
| Author | Guo X., Zhang J., Ma F., Li P., Ma Y., Xu K., Liu T. | |
| Title | Regulatory network of ammonium and nitrate uptake and utilization in rice. | |
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Abstract: Nitrogen (N) plays a crucial role in various aspects of crop growth, development, yield, and quality. It is essential for processes ranging from protein synthesis and photosynthesis to crop adaptation and stress tolerance, thereby having a profound impact on crop production. Crops primarily absorb N in the forms of ammonium (NH4 +) and nitrate (NO3 -), with NH4 + being the predominant form absorbed by flooded crops such as rice. This review focuses on rice and highlights recent significant advances in the mechanisms of N uptake and utilization, including the roles of NO3 - and NH4 + transporters. Key transporters such as <i>OsAMT1.1</i> and <i>OsNRT1.1B</i> play central roles in enhancing N uptake and improving N use efficiency (NUE). Furthermore, natural allelic variations in genes such as <i>DNR1</i> and <i>OsWRKY23</i> underlie the differences in NUE between <i>indica</i> and <i>japonica</i> subspecies. We also discuss the potential of multi-gene pyramiding strategies, such as <i>OsAMT1.2</i>×<i>OsGS1.2</i>×<i>OsAS1</i>, to synergistically improve NUE through coordinated regulation of N uptake, assimilation, and remobilization. Collectively, this review systematically summarizes the functions and regulatory mechanisms of key NUE-related genes in rice, providing valuable gene resources and a theoretical foundation for the molecular breeding of N-efficient rice varieties. |
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| Journal | Front Plant Sci | |
| Country | unknown | |
| Volume | 16 | |
| Pages | 1656041 | |
| Year | 2025 | |
| PubMed ID | 41190206 | |
| PubMed Central ID | 12580343 | |
| DOI | 10.3389/fpls.2025.1656041 | |
| URL | - | |
| Relation | ||
| Gene | AMT1;1 AMT1;2 AMT1;3 ASN1 DNR1 GLN1;2 NPF6.5 WRKY23 | |
| 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 | - | |
