Integrating transcriptomics and metabolomics to analyze the defense response of Morus notabilis to mulberry ring rot disease

文献类型： 外文期刊

第一作者： Qian, Qianqian

作者： Qian, Qianqian;Deng, Xinqi;Gan, Yujie;Xu, Danping;Mureed, Sumbul;Wang, Xie;Ali, Habib

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关键词： Morus notabilis; mulberry ring rot disease; flavonoid biosynthesis; transcriptomics; metabolomics

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

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年卷期： 2024 年 15 卷

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收录情况： SCI

摘要： Introduction: The mulberry industry has thrived in China for millennia, offering significant ecological and economic benefits. However, the prevalence of mulberry ring rot disease poses a serious threat to the quality and yield of mulberry leaves. Methods: In this study, we employed a combination of transcriptomic and metabolomic analyses to elucidate the changes occurring at the transcriptional and metabolic levels in Morus notabilis in response to this disease infestation. Key metabolites identified were further validated through in vitro inhibition experiments. Results: The findings revealed significant enrichment in Kyoto Encyclopedia of Genes and Genomes pathways, particularly those related to flavonoid biosynthesis. Notably, naringenin, kaempferol, and quercetin emerged as pivotal players in M. notabilis' defense mechanism against this disease pathogen. The upregulation of synthase genes, including chalcone synthase, flavanone-3-hydroxylase, and flavonol synthase, suggested their crucial roles as structural genes in this process. In vitro inhibition experiments demonstrated that kaempferol and quercetin exhibited broad inhibitory properties, while salicylic acid and methyl jasmonate demonstrated efficient inhibitory effects. Discussion: This study underscores the significance of the flavonoid biosynthesis pathway in M. notabilis' defense response against mulberry ring rot disease, offering a theoretical foundation for disease control measures.

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