Structure and function of florigen and the receptor complex
In the 1930s, the flowering hormone, florigen, was proposed to be synthesized in leaves under inductive day length and transported to the shoot apex, where it induces flowering. More recently, generated genetic and biochemical data suggest that florigen is a protein encoded by the gene, FLOWERING LO...
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| Veröffentlicht in: | Trends in plant science 2013-05, Vol.18 (5), p.287-294 |
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| creator | Taoka, Ken-ichiro Ohki, Izuru Tsuji, Hiroyuki Kojima, Chojiro Shimamoto, Ko |
| description | In the 1930s, the flowering hormone, florigen, was proposed to be synthesized in leaves under inductive day length and transported to the shoot apex, where it induces flowering. More recently, generated genetic and biochemical data suggest that florigen is a protein encoded by the gene, FLOWERING LOCUS T (FT). A rice (Oryza sativa) FT homolog, Hd3a, interacts with the rice FD homolog, OsFD1, via a 14-3-3 protein. Formation of this tri-protein complex is essential for flowering promotion by Hd3a in rice. In addition, the multifunctionality of FT homologs, other than for flowering promotion, is an emerging concept. Here we review the structural and biochemical features of the florigen protein complex and discuss the molecular basis for the multifunctionality of FT proteins. |
| doi_str_mv | 10.1016/j.tplants.2013.02.002 |
| format | Article |
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More recently, generated genetic and biochemical data suggest that florigen is a protein encoded by the gene, FLOWERING LOCUS T (FT). A rice (Oryza sativa) FT homolog, Hd3a, interacts with the rice FD homolog, OsFD1, via a 14-3-3 protein. Formation of this tri-protein complex is essential for flowering promotion by Hd3a in rice. In addition, the multifunctionality of FT homologs, other than for flowering promotion, is an emerging concept. 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| subjects | Arabidopsis - chemistry Arabidopsis - genetics Arabidopsis - metabolism Arabidopsis Proteins - chemistry Arabidopsis Proteins - genetics Arabidopsis Proteins - metabolism florigen Florigen - chemistry Florigen - metabolism flowering Gene Expression Regulation, Plant genes leaves loci Oryza - chemistry Oryza - genetics Oryza - metabolism Oryza sativa photoperiod Plant Growth Regulators - chemistry Plant Growth Regulators - genetics Plant Growth Regulators - metabolism Plant Proteins - chemistry Plant Proteins - genetics Plant Proteins - metabolism proteins rice shoots |
| title | Structure and function of florigen and the receptor complex |
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