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Reference Detail
| Reference | ||
|---|---|---|
| Author | Zhang C., He J., Dai H., Wang G., Zhang X., Wang C., Shi J., Chen X., Wang D., Wang E. | |
| Title | Discriminating symbiosis and immunity signals by receptor competition in rice. | |
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Abstract: Plants encounter various microbes in nature and must respond appropriately to symbiotic or pathogenic ones. In rice, the receptor-like kinase OsCERK1 is involved in recognizing both symbiotic and immune signals. However, how these opposing signals are discerned via OsCERK1 remains unknown. Here, we found that receptor competition enables the discrimination of symbiosis and immunity signals in rice. On the one hand, the symbiotic receptor OsMYR1 and its short-length chitooligosaccharide ligand inhibit complex formation between OsCERK1 and OsCEBiP and suppress OsCERK1 phosphorylating the downstream substrate OsGEF1, which reduces the sensitivity of rice to microbe-associated molecular patterns. Indeed, OsMYR1 overexpression lines are more susceptible to the fungal pathogen <i>Magnaporthe oryzae</i>, whereas <i>OsMYR1</i> mutants show higher resistance. On the other hand, OsCEBiP can bind OsCERK1 and thus block OsMYR1-OsCERK1 heteromer formation. Consistently, the <i>OsCEBiP</i> mutant displayed a higher rate of mycorrhizal colonization at early stages of infection. Our results indicate that OsMYR1 and OsCEBiP receptors compete for OsCERK1 to determine the outcome of symbiosis and immunity signals. |
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| Journal | Proc. Natl. Acad. Sci. U.S.A. | |
| Country | China | |
| Volume | 118(16) | |
| Pages | ||
| Year | 2021 | |
| PubMed ID | 33853950 | |
| PubMed Central ID | 8072404 | |
| DOI | 10.1073/pnas.2023738118 | |
| URL | - | |
| Relation | ||
| Gene | CEBIP CERK1 CHT1 JIOSPR10 LYK5 PR10A _ | |
| 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 | - | |
