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Transcriptome Analysis of Apple Leaves with Apple Necrotic Mosaic Virus-Associated Mosaic Symptoms

文献类型： 外文期刊

作者： Gao, Dehang 1 ; Xing, Fei 2 ; Yan, Qin 4 ; Zhang, Zhixiang 2 ; Zhan, Binhui 2 ; Lu, Meiguang 2 ; Ma, Yunlong 5 ; Wang, Hongqing 1 ; Li, Shifang 2 ; Xie, Jipeng 2 ;

作者机构： 1.China Agr Univ, Coll Hort, Dept Fruit Sci, Beijing 100193, Peoples R China

2.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China

3.Southwest Univ, Citrus Res Inst, Natl Citrus Engn Res Ctr, Chongqing 400712, Peoples R China

4.China Agr Univ, Dept Plant Pathol, Beijing 100193, Peoples R China

5.Chinese Acad Inspect & Quarantine, Ctr Biosafety, Sanya 572024, Peoples R China

关键词： apple mosaic disease; ApNMV; transcriptome; ROS

期刊名称：PLANTS-BASEL （ 影响因子：4.1； 五年影响因子：4.5 ）

ISSN： 2223-7747

年卷期： 2025 年 14 卷 12 期

页码：

收录情况： SCI

摘要： Apple mosaic disease (AMD) is a widespread viral disease affecting apple-growing regions around the world. Recent studies have identified a novel ilarvirus, apple necrotic mosaic virus (ApNMV), as the major causal agent of AMD in China. However, the molecular mechanisms underlying AMD pathogenesis and the global gene expression changes during mosaic symptom development remain largely unknown. In this study, we performed transcriptome analysis to investigate apple gene responses to AMD. A total of 815 differentially expressed genes (DEGs) were identified in mosaic leaves compared to healthy controls, while 1050 DEGs were found between symptomless leaves (infected with ApNMV) and mosaic leaves. Functional enrichment analysis revealed that these DEGs were predominantly involved in carbohydrate metabolism, oxidation-reduction processes, secondary metabolite biosynthesis, and plant hormone signal transduction. Further biological assays demonstrated that the manifestation of mosaic symptoms in apple leaves was associated with reactive oxygen species (ROS) accumulation and downregulation of ROS-scavenging genes. Collectively, our findings provide new insights into the molecular basis of ApNMV-induced mosaic symptom development in apple and offer potential targets for the management of AMD.

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