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Reference Detail
| Reference | ||
|---|---|---|
| Author | Zhu C.L., Xing B., Teng S.Z., Deng C., Shen Z.Y., Ai P.F., Lu T.G., Zhang S.W., Zhang Z.G. | |
| Title | OsRELA Regulates Leaf Inclination by Repressing the Transcriptional Activity of OsLIC in Rice. | |
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Abstract: leaf angle is one of the most important agronomic traits in rice, and changes in leaf angle can alter plant architecture to affect photosynthetic efficiency and thus determine grain yield. Therefore, it is important to identify key genes controlling leaf angle and elucidate the molecular mechanisms to improve rice yield. We obtained a mutant <i>rela (regulator of leaf angle)</i> with reduced leaf angle in rice by EMS mutagenesis, and map-based cloning revealed that <i>OsRELA</i> encodes a protein of unknown function. Coincidentally, <i>DENSE AND ERECT PANICLE 2</i> (<i>DEP2</i>) was reported in a previous study with the same gene locus. <i>RNA-seq</i> analysis revealed that <i>OsRELA</i> is involved in regulating the expression of <i>ILI</i> and <i>Expansin</i> family genes. Biochemical and genetic analyses revealed that OsRELA is able to interact with OsLIC, a negative regulator of BR signaling, through its conserved C-terminal domain, which is essential for OsRELA function in rice. The binding of OsRELA can activate the expression of downstream genes repressed by OsLIC, such as <i>OsILI1</i>, a positive regulator of leaf inclination in rice. Therefore, our results suggest that OsRELA can act as a transcriptional regulator and is involved in the regulation of leaf inclination by regulating the transcriptional activity of OsLIC. |
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| Journal | Front Plant Sci | |
| Country | China | |
| Volume | 12 | |
| Pages | 760041 | |
| Year | 2021 | |
| PubMed ID | 34659326 | |
| PubMed Central ID | 8519309 | |
| DOI | 10.3389/fpls.2021.760041 | |
| URL | - | |
| Relation | ||
| Gene | LIC BU1 CESA6 CSLF6 EP2 EXPA5 EXPB11 EXPB6 GATL6 GT43I IIP3 ILI1 ILI5 IRX10 MIR408 OFP14 PGSIP-A1 UGLCAE2 | |
| 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 | - | |
