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A comparative proteomic and metabolomic analysis of the low-temperature response of a chilling-injury sensitive and a chilling-injury tolerant cultivar of green bell pepper

文献类型： 外文期刊

作者： Xu, Dongying 1 ; Yuan, Shuzhi 1 ; Chen, Bin 1 ; Shi, Junyan 1 ; Sui, Yuan 2 ; Gao, Lipu 1 ; Geng, Sansheng 1 ; Zuo, Jinhua 1 ; Wang, Qing 1 ;

作者机构： 1.Beijing Acad Agr & Forestry Sci, Key Laborat Biol & Genet Improvement Hort Crops No, Key Lab Urban Agr North Minist Agr, Inst Agrifood Proc & Nutr,Minist Agr & Rural Affai, Beijing 100097, Peoples R China

2.Chongqing Univ Arts & Sci, Inst Special Plants, Coll Landscape Architecture & Life Sci, Chongqing Key Lab Econ Plant Biotechnol, Chongqing 402160, Peoples R China

关键词： Green bell pepper; Proteomics; Metabolomics; Chilling injury

期刊名称：SCIENTIA HORTICULTURAE （ 影响因子：4.3； 五年影响因子：4.5 ）

ISSN： 0304-4238

年卷期： 2023 年 318 卷

页码：

收录情况： SCI

摘要： Proteomic and metabolomic profiling was conducted to examine differences in the composition and abundance of proteins and metabolites in bell pepper fruit (Capsicum annuum) from a chilling-sensitive cultivar (cv. 129) and a chilling-tolerant cultivar (cv. 130) subjected to 4 degrees C. The obtained data presents a global view of the critical pathways involved in pepper response to chilling temperatures, and the role of key metabolites, including lipids, sugars, phenylpropane, glutathione, and vitamins. Results indicated that the differential abundance of diac-ylglycerol kinase, beta-glucosidase, ascorbic acid peroxidase, glutathione S-transferase, and the key metabolites stearidonic acid, phytosphingosine, trehalose, tetrahydrofolate play a key role in chilling tolerance in green pepper. Changes in the proteins and metabolites of cv. 130 were proportionally smaller relative to the changes in cv. 129. The chilling tolerance exhibited by cv. 130 is associated with the regulation of membrane lipid ho-meostasis by other metabolites, including the level of soluble sugars, antioxidants, and polyphenols. These results provide new insights into the mechanism underlying chilling tolerance in the chilling-tolerant cultivar (cv. 130) and provide a new perspective for the development of postharvest preservation technology.

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