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Reference Detail
| Reference | ||
|---|---|---|
| Author | Xu R., Yu H., Wang J., Duan P., Zhang B., Li J., Li Y., Xu J., Lyu J., Li N., Chai T., Li Y. | |
| Title | A mitogen-activated protein kinase phosphatase influences grain size and weight in rice. | |
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Abstract: grain size and weight are directly associated with grain yield in crops. However, the molecular mechanisms that set final grain size and weight remain largely unknown. Here, we characterize two large grain mutants, large grain8-1 (LARGE8-1) and large grain8-2 (LARGE8-2). LARGE8 encodes the mitogen-activated protein kinase phosphatase1 (OsMKP1). Loss of function mutations in OsMKP1 results in large grains, while overexpression of OsMKP1 leads to small grains. OsMKP1 determines grain size by restricting cell proliferation in grain hulls. OsMKP1 directly interacts with and deactivates the mitogen-activated protein kinase 6 (OsMAPK6). Taken together, we identify OsMKP1 as a crucial factor that influences grain size by deactivating OsMAPK6, indicating that the reversible phosphorylation of OsMAPK6 plays important roles in determining grain size in rice. |
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| Journal | Plant J. | |
| Country | China | |
| Volume | 95(6) | |
| Pages | 937-946 | |
| Year | 2018 | |
| PubMed ID | 29775492 | |
| PubMed Central ID | - | |
| DOI | 10.1111/tpj.13971 | |
| URL | - | |
| Relation | ||
| Gene | DSG1 GSN1 SMG1 | |
| 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 | - | |
