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Reference Detail
| Reference | ||
|---|---|---|
| Author | Jang S., Cho J.Y., Do G.R., Kang Y., Li H.Y., Song J., Kim H.Y., Kim B.G., Hsing Y.I. | |
| Title | Modulation of Rice leaf angle and grain size.by Expressing <i>OsBCL1</i> and <i>OsBCL2</i> under the Control of <i>OsBUL1</i> Promoter. | |
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Abstract: leaf angle and grain size.are important agronomic traits affecting rice productivity directly and/or indirectly through modulating crop architecture. OsBC1, as a typical bHLH transcription factor, is one of the components comprising a complex formed with LO9-177 and OsBUL1 contributing to modulation of rice leaf inclination and grain size. In the current study, two homologues of <i>OsBC1</i>, <i>OsBCL1</i> and <i>OsBCL2</i> were functionally characterized by expressing them under the control of <i>OsBUL1</i> promoter, which is preferentially expressed in the lamina joint and the spikelet of rice. Increased leaf angle and grain length with elongated cells in the lamina joint and the grain hull were observed in transgenic rice containing much greater gibberellin A3 (GA3) levels than WT, demonstrating that both <i>OsBCL1</i> and <i>OsBCL2</i> are positive regulators of cell elongation at least partially through increased GA biosynthesis. Moreover, the cell elongation was likely due to cell expansion rather than cell division based on the related gene expression and, the cell elongation-promoting activities of <i>OsBCL1</i> and <i>OsBCL2</i> were functional in a dicot species, <i>Arabidopsis</i>. |
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| Journal | Int J Mol Sci | |
| Country | South Korea | |
| Volume | 22(15) | |
| Pages | ||
| Year | 2021 | |
| PubMed ID | 34360554 | |
| PubMed Central ID | 8346013 | |
| DOI | 10.3390/ijms22157792 | |
| URL | - | |
| Relation | ||
| Gene | BHLH081 BHLH80 BLR1 CPS1 EXPA3 EXPA4 GNP1 IBH1 ILI5 KO4 KO5 LO9-177 | |
| 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 | - | |
