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Overexpressing Ribosomal Protein L16D Affects Leaf Development but Confers Pathogen Resistance in Arabidopsis

文献类型： 外文期刊

作者： Li, Ke 1 ; Yan, Zhenwei 2 ; Mu, Qian 1 ; Zhang, Qingtian 1 ; Liu, Huiping 1 ; Wang, Fengxia 1 ; Li, Ao 1 ; Ding, Tingting 1 ; Zhao, Hongjun 1 ; Wang, Pengfei 1 ;

作者机构： 1.Shandong Acad Grape, Shandong Acad Agr Sci, Jinan 250100, Peoples R China

2.Maize Res Inst, Shandong Acad Agr Sci, Jinan 250100, Peoples R China

3.Shandong Acad Agr Sci, Key Lab East China Urban Agr, Minist Agr & Rural Affairs, Jinan 250100, Peoples R China

关键词： ribosomal protein; RPL16D; curled leaf; smaller cell size; immune response

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.6； 五年影响因子：6.2 ）

ISSN： 1661-6596

年卷期： 2023 年 24 卷 11 期

页码：

收录情况： SCI

摘要： In plant cells, multiple paralogs from ribosomal protein (RP) families are always synchronously expressed, which is likely contributing to ribosome heterogeneity or functional specialization. However, previous studies have shown that most RP mutants share common phenotypes. Consequently, it is difficult to distinguish whether the phenotypes of the mutants have resulted from the loss of specific genes or a global ribosome deficiency. Here, to investigate the role of a specific RP gene, we employed a gene overexpression strategy. We found that Arabidopsis lines overexpressing RPL16D (L16D-OEs) display short and curled rosette leaves. Microscopic observations reveal that both the cell size and cell arrangement are affected in L16D-OEs. The severity of the defect is positively correlated with RPL16D dosage. By combining transcriptomic and proteomic profiling, we found that overexpressing RPL16D decreases the expression of genes involved in plant growth, but increases the expression of genes involved in immune response. Overall, our results suggest that RPL16D is involved in the balance between plant growth and immune response.

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