Maximization of reproductive success is critical for plant fitness. To this end, the flowering process must be finely tuned. We show that the rice florigen-like protein FT-L1 contributes to plant entrance into the reproductive phase and enables a balanced progression of inflorescence development.
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References
Andrés, F. & Coupland, G. The genetic basis of flowering responses to seasonal cues. Nat. Rev. Genet. 13, 627–639 (2012). A review article that presents genetic mechanisms of flowering in response to photoperiod and seasons.
Komiya, R., Ikegami, A., Tamaki, S., Yokoi, S. & Shimamoto, K. Hd3a and RFT1 are essential for flowering in rice. Development 135, 767–774 (2008). This paper reports the importance of rice florigens for flowering.
Yoshida, A. et al. TAWAWA1, a regulator of rice inflorescence architecture, functions through the suppression of meristem phase transition. Proc. Natl Acad. Sci. USA 110, 767–772 (2013). This paper well describes the transitions among different inflorescence meristem types.
Izawa, T. et al. Phytochrome mediates the external light signal to repress FT orthologs in photoperiodic flowering of rice. Genes Dev. 16, 2006–2020 (2002). This paper first introduced the florigenic activity of FT-L1.
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This is a summary of: Giaume, F et al. Two florigens and a florigen-like protein form a triple regulatory module at the shoot apical meristem to promote reproductive transitions in rice. Nat. Plants https://doi.org/10.1038/s41477-023-01383-3 (2023).
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A missing piece in the control of rice flowering and inflorescence determinacy. Nat. Plants 9, 509–510 (2023). https://doi.org/10.1038/s41477-023-01382-4
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DOI: https://doi.org/10.1038/s41477-023-01382-4