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Reference Detail
| Reference | ||
|---|---|---|
| Author | Yang Z., Sun L., Zhang P., Zhang Y., Yu P., Liu L., Abbas A., Xiang X., Wu W., Zhan X., Cao L., Cheng S. | |
| Title | TDR INTERACTING PROTEIN 3, encoding a PHD-finger transcription factor, regulates Ubisch bodies and pollen wall formation in rice. | |
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Abstract: Male reproductive development involves a complex series of biological events and precise transcriptional regulation is essential for this biological process in flowering plants. Several transcriptional factors have been reported to regulate tapetum and pollen development, however the transcriptional mechanism underlying Ubisch bodies and pollen wall formation remains less understood. Here, we characterized and isolated a male sterility mutant of TDR INTERACTING PROTEIN 3 (TIP3) in rice. The TIP3 mutant displayed smaller and pale yellow anthers without mature pollen grains, abnormal Ubisch body morphology, no pollen wall formation, as well as delayed tapetum degeneration. Map-based cloning demonstrated that TIP3 encodes a conserved PHD-finger protein and further study confirmed that TIP3 functioned as a transcription factor with transcriptional activation activity. TIP3 is preferentially expressed in the tapetum and microspores during anther development. Moreover, TIP3 can physically interact with TDR, which is a key component of the transcriptional cascade in regulating tapetum development and pollen wall formation. Furthermore, disruption of TIP3 changed the expression of several genes involved in tapetum development and degradation, biosynthesis and transport of lipid monomers of sporopollenin in TIP3 mutant. Taken together, our results revealed an unprecedented role for TIP3 in regulating Ubisch bodies and pollen exine formation, and presents a potential tool to manipulate male fertility for hybrid rice breeding. |
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| Journal | Plant J. | |
| Country | China | |
| Volume | 99(5) | |
| Pages | 844-861 | |
| Year | 2019 | |
| PubMed ID | 31021015 | |
| PubMed Central ID | - | |
| DOI | 10.1111/tpj.14365 | |
| URL | - | |
| Relation | ||
| Gene | ABCG15 ABCG26 C6 CYP703A3 CYP704B2 EAT1 GAMYB MS2 MSP1 TDR TIP3 | |
| 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 | - | |
