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Integrated transcriptome and metabolome profiling reveals mechanisms underlying the infection of Cytospora mali in "Jin Hong" branches

文献类型： 外文期刊

作者： Zhao, Jing 1 ; Guo, Yuan 2 ; Li, Zhengnan 1 ; Shi, Yajun 1 ; Sun, Pingping 1 ;

作者机构： 1.Inner Mongolia Agr Univ, Coll Hort & Plant Protect, Hohhot, Peoples R China

2.Beijing Acad Agr & Forestry Sci, Inst Plant Protect, Beijing Engn Res Ctr Edible Mushroom, Beijing, Peoples R China

关键词： apple; Cytospora mali; transcriptome; metabolome; conjoint analysis

期刊名称：FRONTIERS IN MICROBIOLOGY （ 影响因子：5.2； 五年影响因子：6.2 ）

ISSN：

年卷期： 2024 年 15 卷

页码：

收录情况： SCI

摘要： Introduction: Valsa canker, caused by Cytospora mali, is a destructive disease in apple production. However, the mechanism by which apple defend against C. mali infection remains unclear. Methods: In this study, the integrative transcriptional and metabolic analysis were used to investigate the responses of the 'Jin Hong' apple branches to the invasion of C. mali. Results and Discussion: Results showed that the differentially expressed genes were mainly enriched in the pathways of carbon metabolism, photosynthesis-antenna proteins, and biosynthesis of amino acids pathways. Additionally, the differentially accumulated metabolites were significantly enriched in aminoacyl-tRNA biosynthesis, fructose and mannose metabolism, and alanine, aspartate, and glutamate metabolism pathways. Conjoint analysis revealed that C. mali infection significantly altered 5 metabolic pathways, 8 highly relevant metabolites and 15 genes of apples. Among which the transcription factors WRKY and basic domain leucine zipper transcription family were induced, the alpha-linolenic acid and betaine were significantly accumulated in C. mali infected apple stems. This work presents an overview of the changes in gene expression and metabolic profiles in apple under the inoculation of C. mali, which may help to further screen out the mechanism of plant-pathogen interaction at the molecular level.

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