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Reference Detail
| Reference | ||
|---|---|---|
| Author | Niu N., Liang W., Yang X., Jin W., Wilson Z.A., Hu J., Zhang D. | |
| Title | EAT1 promotes tapetal cell death by regulating aspartic proteases during male reproductive development in rice. | |
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Abstract: Programmed cell death is essential for the development of multicellular organisms, yet pathways of plant programmed cell death and its regulation remain elusive. Here we report that ETERNAL TAPETUM 1, a basic helix-loop-helix transcription factor conserved in land plants, positively regulates programmed cell death in tapetal cells in rice anthers. eat1 exhibits delayed tapetal cell death and aborted pollen formation. ETERNAL TAPETUM 1 directly regulates the expression of OsAP25 and OsAP37, which encode aspartic proteases that induce programmed cell death in both yeast and plants. Expression and genetic analyses revealed that ETERNAL TAPETUM 1 acts downstream of TAPETUM DEGENERATION RETARDATION, another positive regulator of tapetal programmed cell death, and that ETERNAL TAPETUM 1 can also interact with the TAPETUM DEGENERATION RETARDATION protein. This study demonstrates that ETERNAL TAPETUM 1 promotes aspartic proteases triggering plant programmed cell death, and reveals a dynamic regulatory cascade in male reproductive development in rice. |
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| Journal | Nat Commun | |
| Country | China | |
| Volume | 4 | |
| Pages | 1445 | |
| Year | 2013 | |
| PubMed ID | 23385589 | |
| PubMed Central ID | - | |
| DOI | 10.1038/ncomms2396 | |
| URL | - | |
| Relation | ||
| Gene | AP37 API5 CP1 EAT1 GAMYB MSP1 PTC1 RADC1 TDR UDT1 _ | |
| INSD | - | |
| Strain | Wild Core Collection | - |
| Induced Mutation Lines(NIG Collection) | - | |
| Sterile Seed Strain | - | |
|
Lethal Embryo Mutantion Strain |
- | |
|
Stages in Each Organ - Muant Lines (Gene) |
- | |
| Cultivated Varieties(NIG Collection) | - | |
| Stages in Each Organ | - | |
