BES1-regulated BEE1 controls photoperiodic flowering downstream of blue light signaling pathway in Arabidopsis

© 2019 The Authors. New Phytologist © 2019 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1984. - 223(2019), 3 vom: 01. Aug., Seite 1407-1419
1. Verfasser: Wang, Fei (VerfasserIn)
Weitere Verfasser: Gao, Yongshun, Liu, Yawen, Zhang, Xin, Gu, Xingxing, Ma, Dingbang, Zhao, Zhiwei, Yuan, Zhenjiang, Xue, Hongwei, Liu, Hongtao
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't BEE1 BES1 brassinosteroid (BR) cryptochrome photoperiodic flowering Arabidopsis Proteins BEE protein, Arabidopsis BES1 protein, Arabidopsis mehr... Basic Helix-Loop-Helix Transcription Factors Chromatin DNA-Binding Proteins
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520 |a BRI1-EMS-SUPPRESSOR 1 (BES1) functions as a key regulator in the brassinosteroid (BR) pathway that promotes plant growth. However, whether BES1 is involved in photoperiodic flowering is unknown. Here we report that BES1 acts as a positive regulator of photoperiodic flowering, but it cannot directly bind FLOWERING LOCUS T (FT) promoter. BR ENHANCED EXPRESSION 1 (BEE1) is the direct target of BES1 and acts downstream of BES1. BEE1 is also a positive regulator of photoperiodic flowering. BEE1 binds directly to the FT chromatin to activate the transcription of FT and promote flowering initiation. More importantly, BEE1 promotes flowering in a blue light photoreceptor CRYPTOCHROME 2 (CRY2)  partially dependent manner, as it physically interacts with CRY2 under the blue light. Furthermore, BEE1 is regulated by both BRs and blue light. The transcription of BEE1 is induced by BRs, and the BEE1 protein is stabilized under the blue light. Our findings indicate that BEE1 is the integrator of BES1 and CRY2 mediating flowering, and BES1-BEE1-FT is a new signaling pathway in regulating photoperiodic flowering 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a BEE1 
650 4 |a BES1 
650 4 |a brassinosteroid (BR) 
650 4 |a cryptochrome 
650 4 |a photoperiodic flowering 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a BEE protein, Arabidopsis  |2 NLM 
650 7 |a BES1 protein, Arabidopsis  |2 NLM 
650 7 |a Basic Helix-Loop-Helix Transcription Factors  |2 NLM 
650 7 |a Chromatin  |2 NLM 
650 7 |a DNA-Binding Proteins  |2 NLM 
700 1 |a Gao, Yongshun  |e verfasserin  |4 aut 
700 1 |a Liu, Yawen  |e verfasserin  |4 aut 
700 1 |a Zhang, Xin  |e verfasserin  |4 aut 
700 1 |a Gu, Xingxing  |e verfasserin  |4 aut 
700 1 |a Ma, Dingbang  |e verfasserin  |4 aut 
700 1 |a Zhao, Zhiwei  |e verfasserin  |4 aut 
700 1 |a Yuan, Zhenjiang  |e verfasserin  |4 aut 
700 1 |a Xue, Hongwei  |e verfasserin  |4 aut 
700 1 |a Liu, Hongtao  |e verfasserin  |4 aut 
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773 1 8 |g volume:223  |g year:2019  |g number:3  |g day:01  |g month:08  |g pages:1407-1419 
856 4 0 |u http://dx.doi.org/10.1111/nph.15866  |3 Volltext 
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