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Genome-Wide Analysis of the TCP Transcription Factor Gene Family in Pepper (Capsicum annuum L.)

文献类型： 外文期刊

作者： Dong, Zeyu 1 ; Hao, Yupeng 1 ; Zhao, Yongyan 1 ; Tang, Wenchen 1 ; Wang, Xueqiang 1 ; Li, Jun 1 ; Wang, Luyao 1 ; Hu, Yan 1 ; Guan, Xueying 1 ; Gu, Fenglin 2 ; Liu, Ziji 4 ; Zhang, Zhiyuan 1 ;

作者机构： 1.Zhejiang Univ, Hainan Inst, Sanya 572000, Peoples R China

2.Hainan Key Lab Biosafety Monitoring & Mol Breeding, Sanya 572000, Peoples R China

3.Chinese Acad Trop Agr Sci, Sanya Res Inst, Sanya 572000, Peoples R China

4.Chinese Acad Trop Agr Sci, Trop Crops Genet Resources Inst, Haikou 571101, Peoples R China

5.Minist Agr, Key Lab Crop Gene Resources & Germplasm Enhancemen, Haikou 571101, Peoples R China

关键词： Capsicum annuum L.; TCP transcription factors; shoot branching; hormone response; abiotic stress

期刊名称：PLANTS-BASEL （ 影响因子：4.5； 五年影响因子：4.8 ）

ISSN： 2223-7747

年卷期： 2024 年 13 卷 5 期

页码：

收录情况： SCI

摘要： TCP transcription factors play a key role in regulating various developmental processes, particularly in shoot branching, flower development, and leaf development, and these factors are exclusively found in plants. However, comprehensive studies investigating TCP transcription factors in pepper (Capsicum annuum L.) are lacking. In this study, we identified 27 CaTCP members in the pepper genome, which were classified into Class I and Class II through phylogenetic analysis. The motif analysis revealed that CaTCPs in the same class exhibit similar numbers and distributions of motifs. We predicted that 37 previously reported miRNAs target 19 CaTCPs. The expression levels of CaTCPs varied in various tissues and growth stages. Specifically, CaTCP16, a member of Class II (CIN), exhibited significantly high expression in flowers. Class I CaTCPs exhibited high expression levels in leaves, while Class II CaTCPs showed high expression in lateral branches, especially in the CYC/TB1 subclass. The expression profile suggests that CaTCPs play specific roles in the developmental processes of pepper. We provide a theoretical basis that will assist in further functional validation of the CaTCPs.

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