Transcriptome analysis provides insights into lignin synthesis and MAPK signaling pathway that strengthen the resistance of bitter gourd (Momordica charantia) to Fusarium wilt

文献类型： 外文期刊

第一作者： Guan, Feng

作者： Guan, Feng;Shi, Bo;Zhang, Jingyun;Wan, Xinjian

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关键词： Bitter gourd; Momordica charantia; Fusarium oxysporum f; sp; momordicae; Fusarium wilt; Resistance; Lignin synthesis; MAPK signaling pathway

期刊名称：GENOMICS （ 影响因子：4.31； 五年影响因子：4.38 ）

ISSN： 0888-7543

年卷期： 2023 年 115 卷 1 期

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收录情况： SCI

摘要： Fusarium wilt is a typical soil-borne disease caused by Fusarium oxysporum f. sp. momordicae (FOM) in bitter gourd. In this study, by comparing sequencing data at multiple time points and considering the difference be-tween resistant (R) and susceptible (S) varieties, differentially expressed genes were screened out. Short time -series expression miner analysis revealed the upregulated expression trend of genes, which were enriched in phenylpropanoid biosynthesis, plant-pathogen interaction, and mitogen-activated protein kinase signaling pathway. Further, observation of the microstructure revealed that the R variety may form tyloses earlier than the S variety to prevent mycelium diffusion from the xylem vessel. After Fusarium wilt infection, the enzymatic activities of superoxide dismutase, peroxidase, phenylalanine ammonia lyase, and catalaseas well as levels of superoxide anion and malondialdehyde were increased in the R variety higher than those in the S variety. This study provides a reference to elucidate the disease resistance mechanism of bitter gourd.

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