The MdERF61-mdm-miR397b-MdLAC7b module regulates apple resistance to Fusarium solani via lignin biosynthesis
文献类型： 外文期刊
作者： Zhou, Zhe 1 ; Zhang, Haiqing 1 ; Yao, Jia-Long 3 ; Gao, Qiming 1 ; Wang, Yarong 1 ; Liu, Zhenzhen 1 ; Zhang, Yaru 1 ; Tian, Yi 4 ; Yan, Zhenli 1 ; Zhu, Yanmin 5 ; Zhang, Hengtao 1 ;
作者机构： 1.Chinese Acad Agr Sci, Zhengzhou Fruit Res Inst, Key Lab Biol & Genet Improvement Hort Crops Fruit, Zhengzhou 450009, Peoples R China
2.Chinese Acad Agr Sci, Zhongyuan Res Ctr, Xinxiang 450008, Henan, Peoples R China
3.New Zealand Inst Plant & Food Res Ltd, Auckland 1142, New Zealand
4.Hebei Agr Univ, Coll Hort, Baoding 071001, Peoples R China
5.ARS, USDA, Tree Fruit Res Lab, Wenatchee, WA 98801 USA
期刊名称：PLANT PHYSIOLOGY （ 影响因子：6.9； 五年影响因子：7.7 ）
ISSN： 0032-0889
年卷期： 2024 年 197 卷 1 期
页码：
收录情况： SCI
摘要： Apple replant disease (ARD) is a worldwide problem that threatens the industry. However, the genetic mechanism underlying plant disease resistance against ARD remains unclear. In this study, a negative regulatory microRNA in Malus domestica, mdm-miR397b, and its direct target MdLAC7b (Laccase) was selected for examination based on our previous small RNA and degradome sequencing results. Overexpressing the mdm-miR397b-MdLAC7b module altered the lignin deposition and jasmonic acid contents in apple roots, which also led to increased resistance to Fusarium solani. Additionally, Y1H library screening using mdm-miR397b promoter recombinants identified a transcription factor, MdERF61, that represses mdm-miR397b transcriptional activity by directly binding to 2 GCC-boxes in the mdm-miR397b promoter. In summary, our results suggest that the MdERF61-mdm-miR397b-MdLAC7b module plays a crucial role in apple resistance to F. solani and offers insights for enhancing plant resistance to soil-borne diseases in apples.
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