UV-B Perceived by the UVR8 Photoreceptor Inhibits Plant Thermomorphogenesis

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• 作者：Scott Hayes¹ ; ² ; ⁶ ; Ashutosh Sharma¹ ; ⁶ ; Donald P. Fraser¹ ; Martine Trevisan³ ; C. Kester Cragg-Barber¹ ; Eleni Tavridou⁴ ; Christian Fankhauser³ ; Gareth I. Jenkins⁵ ; Keara A. Franklin¹ ; ⁷ ; ^{kerry.franklin@bristol.ac.uk}
• 关键词：UV-B ; Arabidopsis ; UVR8 ; high temperature ; auxin ; hypocotyl ; HFR1 ; PIF4
• 刊名：Current Biology
• 出版年：2017
• 出版时间：9 January 2017
• 年：2017
• 卷：27
• 期：1
• 页码：120-127
• 全文大小：1489 K
• 卷排序：27

文摘

UVR8 activity inhibits auxin signaling and stem elongation at high temperature UVR8 acting with COP1 suppresses transcript abundance of the bHLH factor PIF4 UV-B-mediated degradation of PIF4 is temperature dependent UV-B stabilizes the bHLH factor HFR1, which can bind to and inhibit PIF4 function