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Reference Detail
| Reference | ||
|---|---|---|
| Author | Lin X., Huang Y., Rao Y., Ouyang L., Zhou D., Zhu C., Fu J., Chen C., Yin J., Bian J., He H., Zou G., Xu J. | |
| Title | A base substitution in OsphyC disturbs its Interaction with OsphyB and affects flowering time and chlorophyll synthesis in rice. | |
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Abstract: Phytochromes are important photoreceptors in plants, and play essential roles in photomorphogenesis. The functions of PhyA and PhyB in plants have been fully analyzed, while those of PhyC in plant are not well understood. A rice mutant, late heading date 3 (lhd3), was characterized, and the gene lhd3 was identified with a map-based cloning strategy. lhd3 encodes phytochrome C in rice. Animo acid substitution in OsphyC disrupted its interaction with OsphyB or itself, restraining functional forms of homodimer or heterodimer formation. Compared with wild-type plants, the lhd3 mutant exhibited delayed flowering under both LD (long-day) and SD (short-day) conditions, and delayed flowering time was positively associated with the day length via the Ehd1 pathway. In addition, lhd3 showed a pale-green-leaf phenotype and a slower chlorophyll synthesis rate during the greening process. The transcription patterns of many key genes involved in photoperiod-mediated flowering and chlorophyll synthesis were altered in lhd3. The dimerization of OsPhyC is important for its functions in the regulation of chlorophyll synthesis and heading. Our findings will facilitate efforts to further elucidate the function and mechanism of OsphyC and during light signal transduction in rice. |
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| Journal | BMC Plant Biol. | |
| Country | China | |
| Volume | 22(1) | |
| Pages | 612 | |
| Year | 2022 | |
| PubMed ID | 36572865 | |
| PubMed Central ID | 9793604 | |
| DOI | 10.1186/s12870-022-04011-y | |
| URL | - | |
| Relation | ||
| Gene | CHLH EF1 FGL HD3A LHD3 LSD3 PHYB PORA RFT1 SE1 YGL10 | |
| 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 | - | |
