Two florigens and a florigen-like protein form a triple regulatory module at the shoot apical meristem to promote reproductive transitions in rice. Giaume, F., Bono, G. A., Martignago, D., Miao, Y., Vicentini, G., Toriba, T., Wang, R., Kong, D., Cerise, M., Chirivì, D., Biancucci, M., Khahani, B., Morandini, P., Tameling, W., Martinotti, M., Goretti, D., Coupland, G., Kater, M., Brambilla, V., Miki, D., Kyozuka, J., & Fornara, F. Nature Plants, 9(4):525–534, April, 2023. Number: 4 Publisher: Nature Publishing Group![Two florigens and a florigen-like protein form a triple regulatory module at the shoot apical meristem to promote reproductive transitions in rice [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Many plant species monitor and respond to changes in day length (photoperiod) for aligning reproduction with a favourable season. Day length is measured in leaves and, when appropriate, leads to the production of floral stimuli called florigens that are transmitted to the shoot apical meristem to initiate inflorescence development1. Rice possesses two florigens encoded by HEADING DATE 3a (Hd3a) and RICE FLOWERING LOCUS T 1 (RFT1)2. Here we show that the arrival of Hd3a and RFT1 at the shoot apical meristem activates FLOWERING LOCUS T-LIKE 1 (FT-L1), encoding a florigen-like protein that shows features partially differentiating it from typical florigens. FT-L1 potentiates the effects of Hd3a and RFT1 during the conversion of the vegetative meristem into an inflorescence meristem and organizes panicle branching by imposing increasing determinacy to distal meristems. A module comprising Hd3a, RFT1 and FT-L1 thus enables the initiation and balanced progression of panicle development towards determinacy.
@article{giaume_two_2023,
title = {Two florigens and a florigen-like protein form a triple regulatory module at the shoot apical meristem to promote reproductive transitions in rice},
volume = {9},
copyright = {2023 The Author(s), under exclusive licence to Springer Nature Limited},
issn = {2055-0278},
url = {https://www.nature.com/articles/s41477-023-01383-3},
doi = {10.1038/s41477-023-01383-3},
abstract = {Many plant species monitor and respond to changes in day length (photoperiod) for aligning reproduction with a favourable season. Day length is measured in leaves and, when appropriate, leads to the production of floral stimuli called florigens that are transmitted to the shoot apical meristem to initiate inflorescence development1. Rice possesses two florigens encoded by HEADING DATE 3a (Hd3a) and RICE FLOWERING LOCUS T 1 (RFT1)2. Here we show that the arrival of Hd3a and RFT1 at the shoot apical meristem activates FLOWERING LOCUS T-LIKE 1 (FT-L1), encoding a florigen-like protein that shows features partially differentiating it from typical florigens. FT-L1 potentiates the effects of Hd3a and RFT1 during the conversion of the vegetative meristem into an inflorescence meristem and organizes panicle branching by imposing increasing determinacy to distal meristems. A module comprising Hd3a, RFT1 and FT-L1 thus enables the initiation and balanced progression of panicle development towards determinacy.},
language = {en},
number = {4},
urldate = {2023-04-28},
journal = {Nature Plants},
author = {Giaume, Francesca and Bono, Giulia Ave and Martignago, Damiano and Miao, Yiling and Vicentini, Giulio and Toriba, Taiyo and Wang, Rui and Kong, Dali and Cerise, Martina and Chirivì, Daniele and Biancucci, Marco and Khahani, Bahman and Morandini, Piero and Tameling, Wladimir and Martinotti, Michela and Goretti, Daniela and Coupland, George and Kater, Martin and Brambilla, Vittoria and Miki, Daisuke and Kyozuka, Junko and Fornara, Fabio},
month = apr,
year = {2023},
note = {Number: 4
Publisher: Nature Publishing Group},
keywords = {Flowering, Light responses, Plant signalling},
pages = {525--534},
}
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