MdHY5 positively regulates cold tolerance via CBF-dependent and CBF-independent pathways in apple

Copyright © 2017 Elsevier GmbH. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Journal of plant physiology. - 1979. - 218(2017) vom: 01. Nov., Seite 275-281
1. Verfasser: An, Jian-Ping (VerfasserIn)
Weitere Verfasser: Yao, Ji-Fang, Wang, Xiao-Na, You, Chun-Xiang, Wang, Xiao-Fei, Hao, Yu-Jin
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Journal of plant physiology
Schlagworte:Journal Article Apple CBF Cold tolerance MdHY5 Plant Proteins Transcription Factors
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520 |a Cold stress is a major external stimulator that affects crop quality and productivity. The CBF cold regulatory pathway has been regarded as a master regulator in the response to cold stress. In this study, we found that the apple bZIP transcription factor, MdHY5, was responsive to cold treatment both at the transcriptional and at the post-translational levels. Moreover, overexpression of MdHY5 enhanced cold tolerance in apple calli and Arabidopsis. Subsequently, EMSA assay and transient expression assay demonstrated that MdHY5 positively regulated the transcript of MdCBF1 by binding to G-Box motif of its promoter. Furthermore, MdHY5 also regulated the expression of CBF-independent cold-regulated genes. Taken together, our data suggest that MdHY5 positively modulates plant cold tolerance through CBF-dependent and CBF-independent pathways, providing a deeper understanding of MdHY5-regulated cold tolerance in apple 
650 4 |a Journal Article 
650 4 |a Apple 
650 4 |a CBF 
650 4 |a Cold tolerance 
650 4 |a MdHY5 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Transcription Factors  |2 NLM 
700 1 |a Yao, Ji-Fang  |e verfasserin  |4 aut 
700 1 |a Wang, Xiao-Na  |e verfasserin  |4 aut 
700 1 |a You, Chun-Xiang  |e verfasserin  |4 aut 
700 1 |a Wang, Xiao-Fei  |e verfasserin  |4 aut 
700 1 |a Hao, Yu-Jin  |e verfasserin  |4 aut 
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