Regulatory network for FOREVER YOUNG FLOWER-like genes in regulating Arabidopsis flower senescence and abscission.

Publisher: Nature Publishing Group UK Country of Publication: England NLM ID: 101719179 Publication Model: Electronic Cited Medium: Internet ISSN: 2399-3642 (Electronic) Linking ISSN: 23993642 NLM ISO Abbreviation: Commun Biol Subsets: MEDLINE

Original Publication: London, United Kingdom : Nature Publishing Group UK, [2018]-

Arabidopsis*/metabolism ; Arabidopsis Proteins*/genetics ; Arabidopsis Proteins*/metabolism; Flowers/genetics ; Flowers/metabolism ; Gene Expression Regulation, Plant ; MADS Domain Proteins/genetics ; MADS Domain Proteins/metabolism ; Plant Senescence

FOREVER YOUNG FLOWER (FYF) has been reported to play an important role in regulating flower senescence/abscission. Here, we functionally analyzed five Arabidopsis FYF-like genes, two in the FYF subgroup (FYL1/AGL71 and FYL2/AGL72) and three in the SOC1 subgroup (SOC1/AGL20, AGL19, and AGL14/XAL2), and showed their involvement in the regulation of flower senescence and/or abscission. We demonstrated that in FYF subgroup, FYF has both functions in suppressing flower senescence and abscission, FYL1 only suppresses flower abscission and FYL2 has been converted as an activator to promote flower senescence. In SOC1 subgroup, AGL19/AGL14/SOC1 have only one function in suppressing flower senescence. We also found that FYF-like proteins can form heterotetrameric complexes with different combinations of A/E functional proteins (such as AGL6 and SEP1) and AGL15/18-like proteins to perform their functions. These findings greatly expand the current knowledge behind the multifunctional evolution of FYF-like genes and uncover their regulatory network in plants.
(© 2022. The Author(s).)

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0 (AGL15 protein, Arabidopsis)
0 (Arabidopsis Proteins)
0 (MADS Domain Proteins)

Date Created: 20220705 Date Completed: 20220707 Latest Revision: 20220819

20231215

PMC9256709

10.1038/s42003-022-03629-w

35790878