Mapping the molecular landscape of Lotus japonicus nodule organogenesis through spatiotemporal transcriptomics

文献类型： 外文期刊

第一作者： Ye, Keyi

作者： Ye, Keyi;Bu, Fengjiao;Dong, Zhaonian;Ma, Zhaoxu;Tang, Zhanpeng;Zhang, Yu;Lucas, William J.;Huang, Sanwen;Zheng, Jianshu;Zhong, Liyuan;Liu, Huan;Ma, Zhaoxu;Ma, Zhaoxu;Zhang, Yu;Yang, Xueyong;Xu, Xun;Liu, Huan;Wang, Ertao;Lucas, William J.;Huang, Sanwen

作者机构：

期刊名称：NATURE COMMUNICATIONS （ 影响因子：14.7； 五年影响因子：16.1 ）

ISSN：

年卷期： 2024 年 15 卷 1 期

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收录情况： SCI

摘要： Legumes acquire nitrogen-fixing ability by forming root nodules. Transferring this capability to more crops could reduce our reliance on nitrogen fertilizers, thereby decreasing environmental pollution and agricultural production costs. Nodule organogenesis is complex, and a comprehensive transcriptomic atlas is crucial for understanding the underlying molecular events. Here, we utilized spatial transcriptomics to investigate the development of nodules in the model legume, Lotus japonicus. Our investigation has identified the developmental trajectories of two critical regions within the nodule: the infection zone and peripheral tissues. We reveal the underlying biological processes and provide gene sets to achieve symbiosis and material exchange, two essential aspects of nodulation. Among the candidate regulatory genes, we illustrate that LjNLP3, a transcription factor belonging to the NIN-LIKE PROTEIN family, orchestrates the transition of nodules from the differentiation to maturation. In summary, our research advances our understanding of nodule organogenesis and provides valuable data for developing symbiotic nitrogen-fixing crops.

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