Multi-omics analysis reveals specific modifications associated with reduced chilling injury in bell pepper fruit by methyl jamonate
文献类型： 外文期刊
作者： Fu, Anzhen 1 ; Zheng, Yanyan 1 ; Lv, Yunhao 1 ; Watkins, Christopher B. 3 ; Bai, Chunmei 1 ; Ma, Lili 4 ; Yuan, Shuzhi 1 ; Zheng, Shufang 1 ; Jia, Li'e 1 ; Gao, Lipu 1 ; Wang, Qing 1 ; Mu, Jianlou 2 ; Zuo, Jinhua 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Beijing Vegetable Res Ctr,Minist Agr,Key Lab Biol, Inst Agrifood Proc & Nutr,Beijing Key Lab Fruits, Key Lab Vegetable Postharvest Proc,Minist Agr & R, Beijing 100097, Peoples R China
2.Hebei Agr Univ, Coll Food Sci & Technol, Baoding 071001, Peoples R China
3.Cornell Univ, Coll Agr & Life Sci, Sch Integrat Plant Sci, Hort Sect, Ithaca, NY 14853 USA
4.China Agr Univ, Coll Food Sci & Nutr Engn, Dept Food Biotechnol, Beijing 100083, Peoples R China
关键词： Chilling injury; Green pepper; Methyl jasmonate; Transcriptome; Metabolome; Proteome
期刊名称：POSTHARVEST BIOLOGY AND TECHNOLOGY （ 影响因子：6.751； 五年影响因子：7.001 ）
ISSN： 0925-5214
年卷期： 2022 年 185 卷
页码：
收录情况： SCI
摘要： Bell pepper is prone to chilling injury during cold storage. In this study, the plant hormone, methyl jasmonate (MeJA), which can stimulate the expression of plant defense genes, was used to investigate its effects on the transcriptome, metabolome and proteome after 6 days at 4 celcius. Differentially expressed (DE) mRNAs that were identified with plant hormone signaling included the transcription factor MYC2, and those associated with antioxidant properties, membrane lipids and cell wall modification, fruit quality and an important transcription factors pathway - calmodulin-binding transcription activator -c-repeat-binding factor -transcription factor ICE1 (CMAT-CaCBF1A-ICE1). Effects on the proteome analysis were mainly associated with glutathione metabolism, biosynthesis of unsaturated fatty acids and fatty acid metabolism. Differentially expressed metabolites were identified as acids, phenolics, and capsaicin. Our study suggests that MeJA treatment mitigates chilling injury of bell peppers though inhibiting the MYC2-JA signaling pathway, enhancing the ASA-GSH cycle, reducing membrane lipid damage, suppressing cell wall disassembly, and activating the CMAT-CBF-ICE pathway. These results provide a theoretical basis for further study on chilling injury of bell pepper fruit.
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