MdWRKY40 promotes wounding-induced anthocyanin biosynthesis in association with MdMYB1 and undergoes MdBT2-mediated degradation

© 2019 Shandong Agricultural University New Phytologist © 2019 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 224(2019), 1 vom: 01. Okt., Seite 380-395
1. Verfasser: An, Jian-Ping (VerfasserIn)
Weitere Verfasser: Zhang, Xiao-Wei, You, Chun-Xiang, Bi, Si-Qi, Wang, Xiao-Fei, Hao, Yu-Jin
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 MdBT2 MdMYB1 MdWRKY40 anthocyanin biosynthesis apple ubiquitination wounding Anthocyanins Plant Proteins
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520 |a Wounding stress leads to anthocyanin accumulation. However, the underlying molecular mechanism remains elusive. In this study, MdWRKY40 was found to promote wounding-induced anthocyanin biosynthesis in association with MdMYB1 and undergo MdBT2-mediated degradation in apple. We found that MdMYB1, a positive regulator of anthocyanin biosynthesis, was essential for the wounding-induced anthocyanin biosynthesis in apple. MdWRKY40 was identified as an MdMYB1-interacting protein, and enhanced the binding of MdMYB1 to its target genes in response to wounding. We found that MdBT2 interacted physically with MdWRKY40 and was involved in its degradation through the 26S proteasome pathway. Our results demonstrate that MdWRKY40 is a key modulator in the wounding-induced anthocyanin biosynthesis, which provides new insights into the regulation of wounding-induced anthocyanin biosynthesis at both the transcriptional and post-translational levels in apple 
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650 4 |a Research Support, Non-U.S. Gov't 
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650 4 |a MdMYB1 
650 4 |a MdWRKY40 
650 4 |a anthocyanin biosynthesis 
650 4 |a apple 
650 4 |a ubiquitination 
650 4 |a wounding 
650 7 |a Anthocyanins  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
700 1 |a Zhang, Xiao-Wei  |e verfasserin  |4 aut 
700 1 |a You, Chun-Xiang  |e verfasserin  |4 aut 
700 1 |a Bi, Si-Qi  |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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