A single-cell transcriptomic atlas reveals the cell differentiation trajectory and the response to virus invasion in swelling clove of garlic

文献类型： 外文期刊

第一作者： Gao, Song

作者： Gao, Song;Li, Fu;Liu, Touming;Zeng, Zheng;Wang, Yanzhou;Mostafa, Hassan H. A.;Zhang, Suling;Wang, Taotao;Wang, Yanzhou;Liu, Touming

作者机构：

期刊名称：HORTICULTURE RESEARCH （ 影响因子：8.5； 五年影响因子：9.1 ）

ISSN： 2662-6810

年卷期： 2025 年 12 卷 4 期

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收录情况： SCI

摘要： The garlic bulb comprises several cloves, the swelling growth of which is significantly hindered by the accumulation of viruses. Herein, we describe a single-cell transcriptomic atlas of swelling cloves with virus accumulation, which comprised 19 681 high-quality cells representing 11 distinct cell clusters. Cells of two clusters, clusters 7 (C7) and 11 (C11), were inferred to be from the meristem. Cell trajectory analysis suggested the differentiation of clove cells to start from the meristem cells, along two pseudo-time paths. Investigation into the cell-specific activity of invasive viruses demonstrated that garlic virus genes showed relatively low-expression activity in cells of the clove meristem. There were 2060 garlic genes co-expressed with virus genes, many of which showed an association with the defense response. Five glutathione synthase/reductase genes co-expressed with virus genes displayed up-regulated expression, and the glutathione and related metabolites level showed an alteration in virus-invasive garlic clove, implying the role of glutathione in viral immunity of garlic. Our study offers valuable insights into the clove organogenesis and interaction between garlic and virus at single-cell resolution.

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