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Reference Detail
| Reference | ||
|---|---|---|
| Author | Feng X., Zhang L., Wei X., Zhou Y., Dai Y., Zhu Z. | |
| Title | OsJAZ13 Negatively Regulates Jasmonate Signaling and Activates Hypersensitive Cell Death Response in Rice. | |
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Abstract: Jasmonate ZIM-domain (JAZ) proteins belong to the subgroup of TIFY family and act as key regulators of jasmonate (JA) responses in plants. To date, only a few JAZ proteins have been characterized in rice. Here, we report the identification and function of rice <i>OsJAZ13</i> gene. The gene encodes three different splice variants: <i>OsJAZ13a</i>, <i>OsJAZ13b</i>, and <i>OsJAZ13c</i>. The expression of <i>OsJAZ13</i> was mainly activated in vegetative tissues and transiently responded to JA and ethylene. Subcellular localization analysis indicated OsJAZ13a is a nuclear protein. Yeast two-hybrid assays revealed OsJAZ13a directly interacts with OsMYC2, and also with OsCOI1, in a COR-dependent manner. Furthermore, OsJAZ13a recruited a general co-repressor OsTPL via an adaptor protein OsNINJA. Remarkably, overexpression of <i>OsJAZ13a</i> resulted in the attenuation of root by methyl JA. Furthermore, <i>OsJAZ13a</i>-overexpressing plants developed lesion mimics in the sheath after approximately 30-45 days of growth. Tillers with necrosis died a few days later. Gene-expression analysis suggested the role of <i>OsJAZ13</i> in modulating the expression of JA/ethylene response-related genes to regulate growth and activate hypersensitive cell death. Taken together, these observations describe a novel regulatory mechanism in rice and provide the basis for elucidating the function of <i>OsJAZ13</i> in signal transduction and cell death in plants. |
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| Journal | Int J Mol Sci | |
| Country | China | |
| Volume | 21(12) | |
| Pages | ||
| Year | 2020 | |
| PubMed ID | 32575555 | |
| PubMed Central ID | 7352843 | |
| DOI | 10.3390/ijms21124379 | |
| URL | - | |
| Relation | ||
| Gene | AOC AOS1 BHLH9 COI1 EIL1A ERF47 ERF77 ERF93 NH1 OSD4 PR10A PR1B PR4C TIFY11E WD40-66 _ _ _ _ _ | |
| 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 | - | |
