SIP1 participates in regulation of flowering time in rice by recruiting OsTrx1 to Ehd1

SIP1 participates in regulation of flowering time in rice by recruiting OsTrx1 to Ehd1

© 2018 The Authors. New Phytologist © 2018 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 219(2018), 1 vom: 03. Juli, Seite 422-435
1. Verfasser: Jiang, Pengfei (VerfasserIn)
Weitere Verfasser: Wang, Shiliang, Zheng, Han, Li, Hao, Zhang, Fei, Su, Yanhua, Xu, Zuntao, Lin, Haiyan, Qian, Qian, Ding, Yong
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't C2H2 zinc finger protein SIP1 H3K4me3 OsTrx1 flowering time rice Histones Plant Proteins histone H3 trimethyl Lys4
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520 |a Flowering time (heading date) in rice (Oryza sativa) is an important agronomic trait that determines yield. The levels of histone H3 lysine 4 trimethylation (H3K4me3) modulated by TRITHORAX-like proteins regulate gene transcription, flowering time and environmental stress responses. However, plant TRITHORAX-like proteins have no known DNA-binding domain, and therefore the mechanism that gives sequence specificity to these proteins remains unclear. Here, we show that the rice TRITHORAX-like protein OsTrx1 is recruited to its target, Early heading date 1 (Ehd1), by the C2H2 zinc finger protein SDG723/OsTrx1/OsSET33 Interaction Protein 1 (SIP1). SIP1 binds to the promoter of Ehd1 and interacts with OsTrx1. Mutations in SIP1 led to a late heading date under long-day and short-day conditions. Defects in OsTrx1 or SIP1 led to reduced H3K4me3 levels at Ehd1, thus reducing Ehd1 expression. Together, our results show that the transcription factor SIP1 interacts with OxTrx1, allowing OsTrx1 to specifically target Ehd1, altering H3K4me3 levels, increasing Ehd1 expression and thereby promoting flowering 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a C2H2 zinc finger protein SIP1 
650 4 |a H3K4me3 
650 4 |a OsTrx1 
650 4 |a flowering time 
650 4 |a rice 
650 7 |a Histones  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a histone H3 trimethyl Lys4  |2 NLM 
700 1 |a Wang, Shiliang  |e verfasserin  |4 aut 
700 1 |a Zheng, Han  |e verfasserin  |4 aut 
700 1 |a Li, Hao  |e verfasserin  |4 aut 
700 1 |a Zhang, Fei  |e verfasserin  |4 aut 
700 1 |a Su, Yanhua  |e verfasserin  |4 aut 
700 1 |a Xu, Zuntao  |e verfasserin  |4 aut 
700 1 |a Lin, Haiyan  |e verfasserin  |4 aut 
700 1 |a Qian, Qian  |e verfasserin  |4 aut 
700 1 |a Ding, Yong  |e verfasserin  |4 aut 
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773 1 8 |g volume:219  |g year:2018  |g number:1  |g day:03  |g month:07  |g pages:422-435 
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