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. 2024 Oct 18;15:1456183. doi: 10.3389/fpls.2024.1456183

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Copyright © 2024 Yamagishi, Nomizu and Nakatsuka

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Heuristic model in which SPL13A stimulates stem elongation and flowering in lilies. SPL13A activity is repressed by miR156 in the juvenile vegetative phase. SPL13A is activated as miR156 levels decline in the adult vegetative phase. Then, SPL13A and unknown factors, which should be activated by vernalization, induce stem elongation. SPL13A and FT (FT1 and FT8) are both necessary to induce flowering. Arrows and T-bars indicate positive and negative regulation, respectively, but whether it is a direct or indirect effect is not considered.