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DELLA proteins physically interact with CONSTANS to regulate flowering under long days in Arabidopsis
Xu, Feng; Li, Ting; Xu, Peng-Bo; Li, Ling; Du, Sha-Sha; Lian, Hong-Li; Yang, Hong-Quan
2016
Source PublicationFEBS LETTERS
ISSN0014-5793
Volume590Issue:4Pages:541-549
AbstractProper timing of flowering is essential for reproduction of plants. Although it is well known that both light and gibberellin (GA) signaling play critical roles in promoting flowering in Arabidopsis thaliana, whether and how they are integrated to regulate flowering remain largely unknown. Here, we show through biochemical studies that DELLA proteins physically interact with CONSTANS (CO). Furthermore, the interaction of CO with NF-YB2 is inhibited by the DELLA protein, RGA. Our findings suggest that regulation of flowering by GA signaling in leaves under long days is mediated, at least in part, through repression of DELLA proteins on CO, providing a molecular link between DELLA proteins, key components in GA signaling pathway, and CO, a critical flowering activator in photoperiod signaling pathway.
KeywordLight-dependent Interaction Transcription Factors Blue-light Signaling Mechanism Floral Development Cryptochrome 1 Cop1 Activity Gibberellin Thaliana Promoter
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Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/9793
Collection文献共享
Recommended Citation
GB/T 7714
Xu, Feng,Li, Ting,Xu, Peng-Bo,et al. DELLA proteins physically interact with CONSTANS to regulate flowering under long days in Arabidopsis[J]. FEBS LETTERS,2016,590(4):541-549.
APA Xu, Feng.,Li, Ting.,Xu, Peng-Bo.,Li, Ling.,Du, Sha-Sha.,...&Yang, Hong-Quan.(2016).DELLA proteins physically interact with CONSTANS to regulate flowering under long days in Arabidopsis.FEBS LETTERS,590(4),541-549.
MLA Xu, Feng,et al."DELLA proteins physically interact with CONSTANS to regulate flowering under long days in Arabidopsis".FEBS LETTERS 590.4(2016):541-549.
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