iTRAQ-based quantitative proteomic analysis of heat stress-induced mechanisms in pepper seedlings
文献类型： 外文期刊
作者： Wang, Jing 1 ; Liang, Chengliang 1 ; Yang, Sha 1 ; Song, Jingshuang 1 ; Li, Xuefeng 1 ; Dai, Xiongze 3 ; Wang, Fei 4 ; Ju 1 ;
作者机构： 1.Hunan Acad Agr Sci, Vegetable Res Inst, Changsha, Peoples R China
2.Hunan Univ, Longping Branch, Grad Sch, Changsha, Peoples R China
3.Hunan Agr Univ, Coll Hort & Landscape, Changsha, Peoples R China
4.Hubei Acad Agr Sci, Wuhan, Peoples R China
5.Kasetsart Univ, Fac Sci, Dept Bot, Bangkok, Thailand
关键词： Pepper; Heat stress; Physiological; Proteomics
期刊名称：PEERJ （ 影响因子：2.984； 五年影响因子：3.369 ）
ISSN： 2167-8359
年卷期： 2021 年 9 卷
页码：
收录情况： SCI
摘要： Background. As one of the most important vegetable crops, pepper has rich nutritional value and high economic value. Increasing heat stress due to the global warming has a negative impact on the growth and yield of pepper. Methods. To understand the heat stress response mechanism of pepper, an iTRAQ-based quantitative proteomic analysis was employed to identify possible heat-responsive proteins and metabolic pathways in 17CL30 and 05S180 pepper seedlings under heat stress. Result. In the present study, we investigated the changes of phenotype, physiology, and proteome in heat-tolerant (17CL30) and heat-sensitive (05S180) pepper cultivars in response to heat stress. Phenotypic and physiological changes showed that 17CL30 had a stronger ability to resist heat stress compared with 05S180. In proteomic analysis, a total of 3,874 proteins were identified, and 1,591 proteins were considered to participate in the process of heat stress response. According to bioinformatic analysis of heat-responsive proteins, the heat tolerance of 17CL30 might be related to a higher ROS scavenging, photosynthesis, signal transduction, carbohydrate metabolism, and stress defense, compared with 05S180.
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