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Reference Detail
| Reference | ||
|---|---|---|
| Author | Zhang N., Yu H., Yu H., Cai Y., Huang L., Xu C., Xiong G., Meng X., Wang J., Chen H., Liu G., Jing Y., Yuan Y., Liang Y., Li S., Smith S.M., Li J., Wang Y. | |
| Title | A Core Regulatory Pathway Controlling Rice tiller angle Mediated by the <i>LAZY1</i>-Dependent Asymmetric Distribution of Auxin. | |
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Abstract: tiller angle in cereals is a key shoot architecture trait that strongly influences grain yield. Studies in rice (<i>Oryza sativa</i>) have implicated shoot gravitropism in the regulation of tiller angle. However, the functional link between shoot gravitropism and tiller angle is unknown. Here, we conducted a large-scale transcriptome analysis of rice shoots in response to gravistimulation and identified two new nodes of a shoot gravitropism regulatory gene network that also controls rice tiller angle. We demonstrate that HEAT STRESS TRANSCRIPTION FACTOR 2D (HSFA2D) is an upstream positive regulator of the LAZY1-mediated asymmetric auxin distribution pathway. We also show that two functionally redundant transcription factor genes, <i>WUSCHEL RELATED HOMEOBOX6</i> (<i>WOX6</i>) and <i>WOX11</i>, are expressed asymmetrically in response to auxin to connect gravitropism responses with the control of rice tiller angle. These findings define upstream and downstream genetic components that link shoot gravitropism, asymmetric auxin distribution, and rice tiller angle. The results highlight the power of the high-temporal-resolution RNA-seq data set and its use to explore further genetic components controlling tiller angle. Collectively, these approaches will identify genes to improve grain yields by facilitating the optimization of plant architecture. |
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| Journal | Plant Cell | |
| Country | China | |
| Volume | 30(7) | |
| Pages | 1461-1475 | |
| Year | 2018 | |
| PubMed ID | 29915152 | |
| PubMed Central ID | 6096585 | |
| DOI | 10.1105/tpc.18.00063 | |
| URL | - | |
| Relation | ||
| Gene | ALDH2A ALDH3B1 ALDH7 ARF7 ARF9 EPR1 ETT1 ETT2 HSFA2D IAA11 IAA12 IAA2 IAA20 IAA25 IAA9 LA1 MADS57 RAU1 RAU3 RAU4 SAUR19 SAUR23 SAUR8 WOX11 WOX6 YUCCA3 YUCCA7 _ | |
| INSD | - | |
| Strain | Wild Core Collection | - |
| Induced Mutation Lines(NIG Collection) | - | |
| Sterile Seed Strain | - | |
|
Lethal Embryo Mutantion Strain |
- | |
|
Stages in Each Organ - Muant Lines (Gene) |
- | |
| Cultivated Varieties(NIG Collection) | - | |
| Stages in Each Organ | - | |
