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Spatiotemporal resolved leaf angle establishment improves rice grain yield via controlling population density

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Oryza sativa

PROVIDER: GSE155932 | GEO | 2020/08/18

REPOSITORIES: GEO

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Spatiotemporal Resolved Leaf Angle Establishment Improves Rice Grain Yield via Controlling Population Density.

Project description:Leaf angle is mainly determined by the lamina joint (LJ) and contributes to ideal crop architecture for high yield. Here, we dissected five successive stages with distinct cytological features of LJs spanning organogenesis to leaf angle formation and obtained the underlying stage-specific mRNAs and small RNAs, which well explained the cytological dynamics during LJ organogenesis and leaf angle plasticity. Combining the gene coexpression correlation with high-throughput promoter analysis, we identified a set of transcription factors (TFs) determining the stage- and/or cytological structure-specific profiles. The functional studies of these TFs demonstrated that cytological dynamics determined leaf angle and that the knockout rice of these TFs with erect leaves significantly enhanced yield by maintaining the proper tiller number under dense planting. This work revealed the high-resolution mechanisms of how the cytological dynamics of LJ determined leaf erectness and served as a valuable resource to remodel rice architecture for high yield by controlling population density.

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Spatiotemporal resolved leaf angle establishment improves rice grain yield via controlling population density [mRNA]

Project description:Leaf angle is mainly determined by the lamina joint (LJ), and contributes to ideal crop architecture for high yield. Here, we dissected five successive stages with distinct cytological features of LJs spanning organogenesis to leaf angle formation, and obtained the underlying stage-specific mRNAs and small RNAs, which well explained the cytological dynamics during LJ organogenesis and leaf angle plasticity. Combining the gene coexpression correlation with high-throughput promoter analysis, we identified a set of transcription factors determining the stage- and/or cytological structure-specific profiles. The functional studies of these TFs demonstrated that cytological dynamics determined leaf angle, and the knockout rice of these TFs with erect leaves significantly enhanced yield by maintaining the proper tiller number under dense planting. This work revealed the high-resolution mechanisms how the cytological dynamics of LJ determined the leaf erectness, and served as a valuable resource to remodel rice architecture for high yield via controlling population density.

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Spatiotemporal resolved leaf angle establishment improves rice grain yield via controlling population density

Project description:Spatiotemporal resolved leaf angle establishment improves rice grain yield via controlling population density

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Spatiotemporal resolved leaf angle establishment improves rice grain yield via controlling population density [mRNA]

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Enhanced sucrose loading improves rice yield by increasing grain size

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