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Single-cell transcriptome sequencing reveals the mechanism regulating rice plumule development

文献类型： 外文期刊

作者： Zhu, Mingdong 1 ; Zhang, Meng 3 ; Huang, Kunyong 1 ; Lu, Feifei 1 ; Wang, Hong 1 ; Zhao, Shaolu 1 ; Yu, Yinghong 2 ; Tang, Shaoqing 1 ; Wu, Haining 4 ; Hu, Peisong 1 ; Wei, Xiangjin 1 ;

作者机构： 1.China Natl Rice Res Inst, China Natl Ctr Rice Improvement, State Key Lab Rice Biol & Breeding, Hangzhou 310006, Zhejiang, Peoples R China

2.Hunan Rice Res Inst, Hunan Acad Agr Sci, State Key Lab Hybrid Rice, Changsha 410125, Hunan, Peoples R China

3.Hunan Univ, Coll Biol, Hunan Prov Key Lab Plant Funct Genom & Dev Regulat, Changsha 410082, Hunan, Peoples R China

4.Hubei Univ, Wuhan 430062, Hubei, Peoples R China

关键词： Rice; Plumule; Single-cell sequencing; Regulatory network

期刊名称：CROP JOURNAL （ 影响因子：6.0； 五年影响因子：5.6 ）

ISSN： 2095-5421

年卷期： 2024 年 12 卷 3 期

页码：

收录情况： SCI

摘要： Seed plumules comprise multiple developing tissues and are key sites for above-ground plant organ morphogenesis. Here, the spatial expression of genes in developing rice seed plumules was characterized by single-cell transcriptome sequencing in Zhongjiazao 17, a popular Chinese indica rice cultivar. Of 15 cell clusters, 13 were assigned to cell types using marker genes and cluster-specific genes. Marker genes of multiple cell types were expressed in several clusters, suggesting a complex developmental system. Some genes for signaling by phytohormones such as abscisic acid were highly expressed in specific clusters. Various cis-elements in the promoters of genes specifically expressed in cell clusters were calculated, and some key hormone-related motifs were frequent in certain clusters. Spatial expression patterns of genes involved in rapid seed germination, seedling growth, and development were identified. These findings enhanced our understanding of cellular diversity and specialization within plumules of rice, a monocotyledonous model crop. (c) 2024 Crop Science Society of China and Institute of Crop Science, CAAS. Production and hosting by Elsevier B.V. on behalf of KeAi Communications Co., Ltd. This is an open access article under the CC BY-NCND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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