数字农科院2.0

Identification of transcription factors associated with leaf senescence in tobacco

文献类型： 外文期刊

作者： Zhenbiao Zhang;Muhammad Shan;Liyu Yang;Songxiao Cao;Jie Wang;Wei Li;Yongfeng Guo

作者机构：

期刊名称： Scientific Reports

ISSN： 2045-2322

年卷期： 2024 年 14 卷 1 期

页码：

收录情况： SCIE（2024版）

摘要： Leaf senescence represents the final stage of leaf development, involving transcription factors (TFs)-mediated genetic reprogramming events. The timing of crop leaf senescence has a major influence on the yield and quality of crop in agricultural production. As important regulator of plant growth, the significance of TFs in the regulation of leaf senescence have been highlighted in various plant species by recent advances in genetics. However, studies on underlying molecular mechanisms are still not adequately explained. In this study, for analyzing the regulation of TFs on senescence of tobacco leaves, we combined gene differential expression analysis with weighted gene co-expression network analysis (WGCNA) to analyze the time-series gene expression profiles in senescing tobacco leaf. Among 3517 TF genes expressed in tobacco leaves, we identified 21, 35, and 183 TFs that were associated with early, middle, and late stages of tobacco leaf senescence, respectively. The Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) annotation results reveal that these senescence response TFs are correlated with several biological pathways such as plant hormone signal transduction, ubiquitin mediated proteolysis and MAPK signaling pathway, indicating the roles of TFs in regulating leaf senescence. Our results provide implications for future studies of the potential regulatory mechanisms of TFs involved in senescence of tobacco leaves.

分类号：

  • 相关文献
作者其他论文 更多>>