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| 文献 | ||
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| 著者 | Yang C., Ma Y., He Y., Tian Z., Li J. | |
| タイトル | OsOFP19 modulates plant architecture by integrating the cell division pattern and brassinosteroid signaling. | |
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Abstract: Characterization of OVATE family proteins (OFPs) has revealed that they exert functions by interacting with different types of transcription factor. However, the molecular bases of these processes are poorly understood. Here, we report that OsOFP19 negatively modulates brassinosteroid (BR) response and integrates it with the cell division pattern to affect plant architecture, including grain shape, through interaction with both DWARF AND LOW-TILLERING (DLT) and Oryza sativa homeobox1 (OSH1). Overexpression of OsOFP19 caused a semi-DWARF stature with thicker leaves and stronger culms and roots, which result from an increase in cell layers in the sub-epidermal tissue. Further studies revealed that OsOFP19 interacts with OSH1, and that this interaction mutually enhances the transcriptional activity of these proteins and leads to a transition from anticlinal to periclinal cell division. Furthermore, DLT interacts with both OsOFP19 and OSH1 and acts as an antagonist in the two interactions. Therefore, OsOFP19, OSH1 and DLT form a functional complex which plays a pivotal role in modulating BR signaling and determining the cell division pattern during plant growth and development. |
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| 掲載誌 | Plant J. | |
| Country | China | |
| 刊数 | 93(3) | |
| ページ | 489-501 | |
| 発刊年 | 2018 | |
| PubMed ID | 29205590 | |
| PubMed Central ID | - | |
| DOI | 10.1111/tpj.13793 | |
| URL | - | |
| 関連情報 | ||
| 遺伝子 | LIC CYP734A2 CYP734A4 CYP734A6 D2 DLT DWARF4 LG1 OSH1 XTH2 _ | |
| INSD | - | |
| 系統 |
野生イネ コアコレクション |
- |
| 突然変異系統(遺伝研 Collection) | - | |
| 種子不稔系統 | - | |
| 致死変異体系統 | - | |
|
組織別発生段階 - 突然変異系統(遺伝子) |
- | |
| 栽培イネ品種(遺伝研 Collection) | - | |
| 組織別発生段階 | - | |
