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Reference Detail
| Reference | ||
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| Author | Li Y., Wang W., Hu C., Yang S., Ma C., Wu J., Wang Y., Xu Z., Li L., Huang Z., Zhu J., Jia X., Ye X., Yang Z., Sun Y., Liu H., Chen R. | |
| Title | Ectopic Expression of a Maize Gene <i>ZmDUF1645</i> in Rice Increases Grain Length and Yield, but Reduces Drought Stress Tolerance. | |
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Abstract: As the human population grows rapidly, food shortages will become an even greater problem; therefore, increasing crop yield has become a focus of rice breeding programs. The maize gene, <i>ZmDUF1645</i>, encoding a putative member of the DUF1645 protein family with an unknown function, was transformed into rice. Phenotypic analysis showed that enhanced <i>ZmDUF1645</i> expression significantly altered various traits in transgenic rice plants, including increased grain length, width, weight, and number per panicle, resulting in a significant increase in yield, but a decrease in rice tolerance to drought stress. qRT-PCR results showed that the expression of the related genes regulating meristem activity, such as <i>MPKA</i>, <i>CDKA</i>, a novel crop grain filling gene (<i>GIF1</i>), and <i>GS3</i>, was significantly changed in the <i>ZmDUF1645</i>-overexpression lines. Subcellular colocalization showed that <i>ZmDUF1645</i> was primarily localized on cell membrane systems. Based on these findings, we speculate that <i>ZmDUF1645</i>, like the <i>OsSGL</i> gene in the same protein family, may regulate grain size and affect yield through the cytokinin signaling pathway. This research provides further knowledge and understanding of the unknown functions of the DUF1645 protein family and may serve as a reference for biological breeding engineering to increase maize crop yield. |
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| Journal | Int J Mol Sci | |
| Country | China | |
| Volume | 24(12) | |
| Pages | ||
| Year | 2023 | |
| PubMed ID | 37372942 | |
| PubMed Central ID | 10298434 | |
| DOI | 10.3390/ijms24129794 | |
| URL | - | |
| Relation | ||
| Gene | GIF1 GS5 GW2 IPT9 LK3 LOG1 MEKK2 P5CS RR1 RR4 | |
| 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 | - | |
