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Phylogenomic analysis of cytochrome P450 multigene family and its differential expression analysis in pepper (Capsicum annuum L.)

文献类型： 外文期刊

作者： Hao, Yupeng 1 ; Dong, Zeyu 1 ; Zhao, Yongyan 1 ; Tang, Wenchen 1 ; Wang, Xueqiang 1 ; Li, Jun 1 ; Wang, Luyao 1 ; Hu, Yan 1 ; Fang, Lei 1 ; Guan, Xueying 1 ; Gu, Fenglin 2 ; Liu, Ziji 3 ; Zhang, Zhiyuan 1 ;

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

2.Chinese Acad Trop Agr Sci, Spice & Beverage Res Inst, Sanya Res Inst, Hainan Key Lab Biosafety Monitoring & Mol Breeding, Sanya, Peoples R China

3.Chinese Acad Trop Agr Sci, Trop Crops Genet Resources Inst, Key Lab Crop Gene Resources & Germplasm Enhancemen, Minist Agr, Haikou, Peoples R China

4.Zhejiang Univ, Plant Precis Breeding Acad, Coll Agr & Biotechnol, Zhejiang Prov Key Lab Crop Genet Resources,Inst Cr, Hangzhou, Peoples R China

关键词： cytochrome P450; gene family; pepper; evolution; phylogenetic analysis

期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：6.627； 五年影响因子：7.255 ）

ISSN： 1664-462X

年卷期： 2022 年 13 卷

页码：

收录情况： SCI

摘要： Plant cytochrome P450 is a multifamily enzyme widely involved in biochemical reactions for the synthesis of antioxidants, pigments, structural polymers, and defense-related compounds. Pepper (Capsicum annuum L.) is an economically important plant. A comprehensive identification and characterization of P450 genes would provide valuable information on the evolutionary relationships of genes and their functional characteristics. In this study, we identified P450 genes in pepper with the aid of bioinformatics methods to investigate the phylogenetic relation, gene structure, chromosomal localization, duplicated events, and collinearity among Solanaceae species. We identified and classified 478 genes of P450 from the pepper genome into two major clades and nine subfamilies through phylogenetic analysis. Massive duplication events were found in the P450 gene family, which may explain the expansion of the P450 gene family. In addition, we also found that these duplication genes may have undergone strict purification selection during evolution. Gene expression analysis showed that some P450 genes that belong to clan 71 in pepper may play an important role in placenta and pericarp development. Through quantitative real-time polymerase chain reaction and transcriptome analysis, we also found that many P450 genes were related to defensive and phytohormone response in pepper. These findings provide insight for further studies to identify the biological functions of the P450 genes in pepper.

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