文献类型： 外文期刊
作者： Qian, Yuxuan 1 ; Tong, Jing 1 ; Liu, Ning 1 ; Wang, Baoju 1 ; Wu, Zhanhui 2 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Beijing Vegetable Res Ctr, Beijing 100097, Peoples R China
2.Minist Agr & Rural Affairs, Key Lab Urban Agr North, Beijing 100097, Peoples R China
3.Natl Key Lab Biol Breeding, Beijing 100097, Peoples R China
4.Natl Vegetable Engn Technol Res Ctr, Beijing 100097, Peoples R China
关键词：
pepper;
期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：4.9； 五年影响因子：5.7 ）
ISSN： 1661-6596
年卷期： 2024 年 25 卷 23 期
页码：
收录情况： SCI
摘要： Pepper (Capsicum annuum L.) is a popular vegetable in people's daily lives. During pepper growth, calcium (Ca) is an essential macronutrient, and calcium-transporting ATPase (ACA/ECA) is a vital protein for calcium transport. However, reports on the ACA/ECA gene family in the pepper genome are lacking. Hence, we used various bioinformatics methods to identify the ACA/ECA gene family in pepper. We identified eleven CaACA/ECA-family genes in pepper. The chromosomal distribution, phylogenetic evolution, characteristics, gene collinearity, gene and protein structures, cis-acting elements, and specific expression patterns of CaACA/ECAs were analyzed, revealing evolutionary relationships and correlations between CaACA/ECAs and other species (Arabidopsis, rice, and tomato). The experimental results indicate that CaACA/ECAs are stable and hydrophobic proteins, with each of the eleven CaACA/ECA proteins containing all ten motifs. Eleven CaACA/ECA genes are unevenly distributed on the eight chromosomes, and they substantially differ in the number of exons. We found a close correlation between the ACA/ECAs of pepper, Arabidopsis, and tomato. The CaACA/ECA genes contain various plant-hormone-, growth-, and stress-related cis-acting elements. The qRT-PCR results indicate that the expression levels of the eleven CaACA/ECAs exhibit differential temporal expression patterns under various exogenous Ca2+ concentrations. These results provide a theoretical basis for further studying the function of the pepper ACA/ECA gene family and valuable information for identifying and screening genes for pepper stress tolerance breeding.
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