SMZ/SNZ and gibberellin signaling are required for nitrate-elicited delay of flowering time in Arabidopsis thaliana

Journal of Experimental Botany
Diana E GrasRodrigo A Gutiérrez

Abstract

The reproductive success of plants largely depends on the correct programming of developmental phase transitions, particularly the shift from vegetative to reproductive growth. The timing of this transition is finely regulated by the integration of an array of environmental and endogenous factors. Nitrogen is the mineral macronutrient that plants require in the largest amount, and as such its availability greatly impacts on many aspects of plant growth and development, including flowering time. We found that nitrate signaling interacts with the age-related and gibberellic acid pathways to control flowering time in Arabidopsis thaliana. We revealed that repressors of flowering time belonging to the AP2-type transcription factor family including SCHLAFMUTZE (SMZ) and SCHNARCHZAPFEN (SNZ) are important regulators of flowering time in response to nitrate. Our results support a model whereby nitrate activates SMZ and SNZ via the gibberellin pathway to repress flowering time in Arabidopsis thaliana.

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Citations

Mar 25, 2019·The New Phytologist·Justyna Jadwiga OlasVanessa Wahl
Feb 19, 2020·Journal of Experimental Botany·Atsuko Kinoshita, René Richter
Apr 13, 2020·Journal of Experimental Botany·Le LuoGuohua Xu
Jan 26, 2021·Plant Science : an International Journal of Experimental Plant Biology·Justyna Jadwiga OlasVanessa Wahl
Dec 29, 2020·Frontiers in Plant Science·Hongmei FanYong Wang
Mar 2, 2021·Frontiers in Plant Science·Jia Yuan YeChong Wei Jin
Mar 5, 2021·Frontiers in Plant Science·Lucas Anjos Souza, Rafael Tavares
May 9, 2021·Proceedings of the National Academy of Sciences of the United States of America·Miho SanagiTakeo Sato
Jul 27, 2021·Frontiers in Plant Science·Ai My LuongStefan Jouannic
Aug 13, 2021·BMC Plant Biology·Xiaorui XuCheng Qin
Jul 5, 2021·Current Opinion in Plant Biology·Kun WuXiangdong Fu

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