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Reference Detail
| Reference | ||
|---|---|---|
| Author | Gu Z., Gong J., Zhu Z., Li Z., Feng Q., Wang C., Zhao Y., Zhan Q., Zhou C., Wang A., Huang T., Zhang L., Tian Q., Fan D., Lu Y., Zhao Q., Huang X., Yang S., Han B. | |
| Title | Structure and function of rice hybrid genomes reveal genetic basis and optimal performance of heterosis. | |
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Abstract: Exploitation of crop heterosis is crucial for increasing global agriculture production. However, the quantitative genomic analysis of heterosis was lacking, and there is currently no effective prediction tool to optimize cross-combinations. Here 2,839 rice hybrid cultivars and 9,839 segregation individuals were resequenced and phenotyped. Our findings demonstrated that indica-indica hybrid-improving breeding was a process that broadened genetic resources, pyramided breeding-favorable alleles through combinatorial selection and collaboratively improved both parents by eliminating the inferior alleles at negative dominant loci. Furthermore, we revealed that widespread genetic complementarity contributed to indica-japonica intersubspecific heterosis in yield traits, with dominance effect loci making a greater contribution to phenotypic variance than overdominance effect loci. On the basis of the comprehensive dataset, a genomic model applicable to diverse rice varieties was developed and optimized to predict the performance of hybrid combinations. Our data offer a valuable resource for advancing the understanding and facilitating the utilization of heterosis in rice. |
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| Journal | Nat. Genet. | |
| Country | China | |
| Volume | 55(10) | |
| Pages | 1745-1756 | |
| Year | 2023 | |
| PubMed ID | 37679493 | |
| PubMed Central ID | 10562254 | |
| DOI | 10.1038/s41588-023-01495-8 | |
| URL | - | |
| Relation | ||
| Gene | ALK DEP1 DLT GHD7 GW5 GW7 HD5 LHS1 LK3 NAL1 RAG RFT1 SE1 TMS5 WX1 _ | |
| INSD | - | |
| Strain | Wild Core Collection | - |
| Induced Mutation Lines(NIG Collection) | - | |
| Sterile Seed Strain | - | |
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Lethal Embryo Mutantion Strain |
- | |
|
Stages in Each Organ - Muant Lines (Gene) |
- | |
| Cultivated Varieties(NIG Collection) | - | |
| Stages in Each Organ | - | |
