您好，欢迎访问河南省农业科学院 机构知识库！
河南省农业科学院机构知识库

全部

  • 全部
  • 标题
  • 学者
  • 机构
  • 关键词

The ethylene-responsive transcription factor PpERF9 represses PpRAP2.4 and PpMYB114 via histone deacetylation to inhibit anthocyanin biosynthesis in pear

文献类型： 外文期刊

作者： Ni, Junbei 1 ; Wang, Simai 1 ; Yu, Wenjie 1 ; Liao, Yifei 1 ; Pan, Chen 1 ; Zhang, Manman 1 ; Tao, Ruiyan 1 ; Wei, Jia 1 ; Gao, Yuhao 1 ; Wang, Dongsheng 5 ; Bai, Songling 1 ; Teng, Yuanwen 1 ;

作者机构： 1.Zhejiang Univ, Dept Hort, Hangzhou 310058, Zhejiang, Peoples R China

2.Zhejiang Prov Key Lab Integrat Biol Hort Plants, Hangzhou 310058, Peoples R China

3.Minist Agr China, Key Lab Hort Plant Growth Dev & Qual Improvement, Hangzhou 310058, Peoples R China

4.Zhejiang Univ, Hainan Inst, Sanya 572000, Peoples R China

5.Henan Acad Agr Sci, Inst Hort, Zhengzhou 450002, Peoples R China

期刊名称：PLANT CELL （ 影响因子：11.6； 五年影响因子：12.9 ）

ISSN： 1040-4651

年卷期： 2023 年

页码：

收录情况： SCI

摘要： The ethylene-activated PpERF9-TOPLESS complex suppresses pear anthocyanin biosynthesis by inhibiting PpMYB114 and PpRAP2.4 expression via histone deacetylation. Ethylene induces anthocyanin biosynthesis in most fruits, including apple (Malus domestica) and plum (Prunus spp.). By contrast, ethylene inhibits anthocyanin biosynthesis in pear (Pyrus spp.), but the underlying molecular mechanism remains unclear. In this study, we identified and characterized an ethylene-induced ETHYLENE RESPONSE FACTOR (ERF) transcription factor, PpETHYLENE RESPONSE FACTOR9 (PpERF9), which functions as a transcriptional repressor. Our analyses indicated PpERF9 can directly inhibit expression of the MYB transcription factor gene PpMYB114 by binding to its promoter. Additionally, PpERF9 inhibits the expression of the transcription factor gene PpRELATED TO APETALA2.4 (PpRAP2.4), which activates PpMYB114 expression, by binding to its promoter, thus forming a PpERF9-PpRAP2.4-PpMYB114 regulatory circuit. Furthermore, PpERF9 interacts with the co-repressor PpTOPLESS1 (PpTPL1) via EAR motifs to form a complex that removes the acetyl group on histone H3 and maintains low levels of acetylated H3 in the PpMYB114 and PpRAP2.4 promoter regions. The resulting suppressed expression of these 2 genes leads to decreased anthocyanin biosynthesis in pear. Collectively, these results indicate that ethylene inhibits anthocyanin biosynthesis by a mechanism that involves PpERF9-PpTPL1 complex-mediated histone deacetylation of PpMYB114 and PpRAP2.4. The data presented herein will be useful for clarifying the relationship between chromatin status and hormone signaling, with implications for plant biology research.

  • 相关文献
作者其他论文 更多>>
置顶
购物车
反馈

© 京ICP备09089781号-29 主办单位：河南省农业科学院

学术资源： 中国农业科学院 农业专业知识服务系统 农科联盟资源共建共享平台 中国农业科技文献与信息服务平台 中国农业期刊集成服务平台