Circadian clock system involved in regulating photoperiodic flowering in Arabidopsis, soybean, and rice

The circadian clock system involved in regulating photoperiodic flowering in Arabidopsis, soybean, and rice. (A) In Arabidopsis, the circadian clock components affect the flowering process mainly by regulating CDFs and the GI-CO-FT module transcriptionally and post-transcriptionally. (B) The GI-CO-FT signaling pathway is conserved in rice, which is known as the OsGI-Hd1-Hd3a/ RFT1 module. Rice also has some unique components and pathways that modulate the heading date, such as Hd1, Ehd1, and Ghd7, which are also regulated by the circadian clock. (C) Similarly, there is a conserved flowering regulation pathway named the GI (E2)-CO-FT module in soybean. Besides, the GI (E2)-CO-E1-FT module also exists in soybean. COP1, CONSTITUTIVELY PHOTOMORPHOGENIC1; FT1a, FLOWERING LOCUS T 1a; COL1a, CO-like gene1a; COL1b, CO-like gene1b; E1L, E1-like gene

Publication

The Regulatory Networks of the Circadian Clock Involved in Plant Adaptation and Crop Yield (2023) Hang Xu, et al. Plants (Basel). 2023 May;12(9). Figure: F2. Homo sapiens

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