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title: DELLA proteins physically interact with CONSTANS to regulate flowering under long days in Arabidopsis
author: Xu, Feng;  Li, Ting;  Xu, Peng-Bo;  Li, Ling;  Du, Sha-Sha;  Lian, Hong-Li;  Yang, Hong-Quan
Issued Date: 2016
Abstract: Proper 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.
Related URLs: 10.1002/1873-3468.12076
Appears in Collections:文献共享_期刊论文

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全文许可: Creative Commons 署名-非商业性使用-相同方式共享 3.0

Recommended Citation:
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.

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