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Reference Detail
| Reference | ||
|---|---|---|
| Author | Li L., Zhang H., Chen C., Huang H., Tan X., Wei Z., Li J., Yan F., Zhang C., Chen J., Sun Z. | |
| Title | A class of independently evolved transcriptional repressors in plant RNA viruses facilitates viral infection and vector feeding. | |
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Abstract: Plant viruses employ diverse virulence strategies to achieve successful infection, but there are few known general strategies of viral pathogenicity and transmission used by widely different plant viruses. Here, we report a class of independently evolved virulence factors in different plant RNA viruses which possess active transcriptional repressor activity. Rice viruses in the genera <i>Fijivirus</i>, <i>Tenuivirus</i>, and <i>Cytorhabdovirus</i> all have transcriptional repressors that interact in plants with the key components of jasmonic acid (JA) signaling, namely mediator subunit OsMED25, OsJAZ proteins, and OsMYC transcription factors. These transcriptional repressors can directly disassociate the OsMED25-OsMYC complex, inhibit the transcriptional activation of OsMYC, and then combine with OsJAZ proteins to cooperatively attenuate the JA pathway in a way that benefits viral infection. At the same time, these transcriptional repressors efficiently enhanced feeding by the virus insect vectors by repressing JA signaling. Our findings reveal a common strategy in unrelated plant viruses in which viral transcriptional repressors hijack and repress the JA pathway in favor of both viral pathogenicity and vector transmission. |
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| Journal | Proc. Natl. Acad. Sci. U.S.A. | |
| Country | China | |
| Volume | 118(11) | |
| Pages | ||
| Year | 2021 | |
| PubMed ID | 33836579 | |
| PubMed Central ID | 7980396 | |
| DOI | 10.1073/pnas.2016673118 | |
| URL | - | |
| Relation | ||
| Gene | BHLH10 BHLH9 PFT1 TIFY10C TIFY11A TIFY11C TIFY11D TIFY6B TIFY9 | |
| 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 | - | |
