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Reference Detail
| Reference | ||
|---|---|---|
| Author | Sun H., Qian Q., Wu K., Luo J., Wang S., Zhang C., Ma Y., Liu Q., Huang X., Yuan Q., Han R., Zhao M., Dong G., Guo L., Zhu X., Gou Z., Wang W., Wu Y., Lin H., Fu X. | |
| Title | Heterotrimeric G proteins regulate nitrogen-use efficiency in rice. | |
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Abstract: The drive toward more sustainable agriculture has raised the profile of crop plant nutrient-use efficiency. Here we show that a major rice nitrogen-use efficiency quantitative trait locus (qNGR9) is synonymous with the previously identified gene DEP1 (DENSE AND ERECT PANICLES 1). The different DEP1 alleles confer different nitrogen responses, and genetic diversity analysis suggests that DEP1 has been subjected to artificial selection during Oryza sativa spp. japonica rice domestication. The plants carrying the dominant DEP1-1 allele exhibit nitrogen-insensitive vegetative growth coupled with increased nitrogen uptake and assimilation, resulting in improved harvest index and grain yield at moderate levels of nitrogen fertilization. The DEP1 protein interacts in vivo with both the Galpha (RGA1) and Gbeta (RGB1) subunits, and reduced RGA1 or enhanced RGB1 activity inhibits nitrogen responses. We conclude that the plant G protein complex regulates nitrogen signaling and modulation of heterotrimeric G protein activity provides a strategy for environmentally sustainable increases in rice grain yield. |
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| Journal | Nat. Genet. | |
| Country | unknown | |
| Volume | 46(6) | |
| Pages | 652-6 | |
| Year | 2014 | |
| PubMed ID | 24777451 | |
| PubMed Central ID | - | |
| DOI | 10.1038/ng.2958 | |
| URL | - | |
| Relation | ||
| Gene | D1 DEP1 RGB1 | |
| INSD | - | |
| Strain | Wild Core Collection | - |
| Induced Mutation Lines(NIG Collection) | - | |
| Sterile Seed Strain | - | |
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Lethal Embryo Mutantion Strain |
- | |
|
Stages in Each Organ - Muant Lines (Gene) |
- | |
| Cultivated Varieties(NIG Collection) | - | |
| Stages in Each Organ | - | |
