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Arabidopsis AGAMOUS-LIKE16 and SUPPRESSOR OF CONSTANS1 regulate the genome-wide expression and flowering time
Dong,Xue; Zhang,Li-Ping; Tang,Yin-Hua; Yu,Dongmei; Cheng,Fang; Dong,Yin-Xin; Jiang,Xiao-Dong; Qian,Fu-Ming; Guo,Zhen-Hua; Hu,Jin-Yong
2023
Source PublicationPLANT PHYSIOLOGY
ISSN1532-2548
Volume192Issue:1Pages:154-169
AbstractFlowering transition is tightly coordinated by complex gene regulatory networks, in which AGAMOUS-KE 16 (AGL16) plays important roles. Here, we identified the molecular function and binding properties of AGL16 and demonstrated its partial dependency on the SUPPRESSOR OF CONSTANS 1 (SOC1) function in regulating flowering. AGL16 bound to promoters of more than 2,000 genes via CArG-box motifs with high similarity to that of SOC1 in Arabidopsis (Arabidopsis thaliana). Approximately 70 flowering genes involved in multiple pathways were potential targets of AGL16. AGL16 formed a protein complex with SOC1 and shared a common set of targets. Intriguingly, only a limited number of genes were differentially expressed in the agl16-1 loss-of-function mutant. However, in the soc1-2 knockout background, AGL16 repressed and activated the expression of 375 and 182 genes, respectively, with more than a quarter bound by AGL16. Corroborating these findings, AGL16 repressed the flowering time more strongly in soc1-2 than in the Col-0 background. These data identify a partial inter-dependency between AGL16 and SOC1 in regulating genome-wide gene expression and flowering time, while AGL16 provides a feedback regulation on SOC1 expression. Our study sheds light on the complex background dependency of AGL16 in flowering regulation, thus providing additional insights into the molecular coordination of development and environmental adaptation.
KeywordFLORAL TRANSITION SOC1 FLC MICRORNA PATHWAYS PROTEIN IDENTIFICATION CONTRIBUTES ANNOTATION DETERMINES
Subject AreaPlant Sciences
DOI10.1093/plphys/kiad058
WOS IDWOS:000931166300001
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Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/74900
Collection中国科学院昆明植物研究所
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GB/T 7714
Dong,Xue,Zhang,Li-Ping,Tang,Yin-Hua,et al. Arabidopsis AGAMOUS-LIKE16 and SUPPRESSOR OF CONSTANS1 regulate the genome-wide expression and flowering time[J]. PLANT PHYSIOLOGY,2023,192(1):154-169.
APA Dong,Xue.,Zhang,Li-Ping.,Tang,Yin-Hua.,Yu,Dongmei.,Cheng,Fang.,...&Hu,Jin-Yong.(2023).Arabidopsis AGAMOUS-LIKE16 and SUPPRESSOR OF CONSTANS1 regulate the genome-wide expression and flowering time.PLANT PHYSIOLOGY,192(1),154-169.
MLA Dong,Xue,et al."Arabidopsis AGAMOUS-LIKE16 and SUPPRESSOR OF CONSTANS1 regulate the genome-wide expression and flowering time".PLANT PHYSIOLOGY 192.1(2023):154-169.
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