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Comprehensive Analysis of Faba Bean AP2/ERF Genes Suggests Potential Roles of VfAP2-1 and VfERF-99 in Abiotic and Biotic Stress Responses

文献类型： 外文期刊

作者： Dong, Limeng 1 ; Huang, Ting 1 ; Han, Shuo 1 ; Han, Xiaowen 1 ; Yin, Junliang 1 ; Hou, Lu 2 ; Liu, Yujiao 2 ;

作者机构： 1.Yangtze Univ, Engn Res Ctr Ecol & Agr Use Wetland, Hubei Key Lab Waterlogging Disaster & Agr Use Wetl, Minist Educ,MARA Key Lab Sustainable Crop Prod Mid, Jingzhou, Peoples R China

2.Qinghai Univ, Qinghai Acad Agr & Forestry Sci, Qinghai Prov Key Lab Qinghai Tibetan Plateau Biote, Key Lab Agr Integrated Pest Management,Minist Educ, Xining, Peoples R China

关键词： abiotic/biotic stresses; ROS homeostasis; transcription factor; water loss rate

期刊名称：PHYSIOLOGIA PLANTARUM （ 影响因子：3.6； 五年影响因子：5.4 ）

ISSN： 0031-9317

年卷期： 2025 年 177 卷 3 期

页码：

收录情况： SCI

摘要： The AP2/ERFs not only participate in regulating signal networks, but they also play important roles in the process of plant growth and stress response. However, systematic research of AP2/ERF in Vicia faba is lacking. In this study, VfAP2/ERF was systematically identified and their characteristics were comprehensively analyzed. In total, 145 VfAP2/ERFs were identified, which were unevenly distributed across six chromosomes, and according to phylogenetic relationships, VfAP2/ERFs could be classified into five subgroups. Cis-elements analysis showed that VfAP2/ERF promoters harbored numerous elements functionally relating to light response, plant hormone, abiotic stress response, and plant growth and development response. Expression profiling analysis indicated that VfAP2/ERFs were broadly expressed during growth and development, and were responsive to drought and salt stresses. RT-qPCR revealed that six VfAP2/ERF genes were upregulated under drought and salt stress. Inoculation assay showed that VfAP2-1 and VfERF-99 could enhance resistance to pathogens. Further research shows that VfAP2-1 and VfERF-99 positively influence ROS homeostasis, resulting in the accumulation of H2O2 and O2- under abiotic and biotic stresses, which inhibited the colonization of pathogens. Additionally, VfAP2-1 and VfERF-99 could significantly increase the content of chlorophyll a, carotenoids, and total chlorophyll, suggesting their possible roles in promoting photosynthesis. This study comprehensively analyzed VfAP2/ERFs and preliminarily explored the function of VfAP2-1 and VfERF-99 in biotic/abiotic stresses and photosynthesis, which laid the foundation for deciphering their functional mechanisms.

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