Multi-omics analysis of the effects of low-temperature storage on chilling injury of bitter gourd
文献类型： 外文期刊
作者： Wang, Hongwei 1 ; Li, Ling 2 ; Sun, Da-Wen 3 ; Ma, Lili 1 ; Han, Lichun 1 ; He, Xuelian 1 ; Wang, Qing 1 ; Watkins, Christopher B. 4 ; Zuo, Jinhua 1 ; Zheng, Yanyan 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Beijing Key Lab Fruits & Vegetable Storage & Proc, Key Lab Vegetable Postharvest Proc,Inst Agrifood P, Beijing Vegetable Res Ctr,Minist Agr & Rural Areas, Beijing 100097, Peoples R China
2.Beijing Vocat Coll Agr, 5 Paddy South Li, Beijing 102442, Peoples R China
3.Natl Univ Ireland, Univ Coll Dublin, Agr & Food Sci Ctr, Food Refrigerat & Computerized Food Technol FRCFT, Dublin, Ireland
4.Cornell Univ, Coll Agr & Life Sci, Sch Integrat Plant Sci, Hort Sect, Ithaca, NY 14853 USA
5.Chinese Acad Agr Sci, Inst Food Sci & Technol, Beijing, Peoples R China
关键词： Transcriptomics; Metabolomics; Proteomics; Bitter gourd; Chilling injury
期刊名称：POSTHARVEST BIOLOGY AND TECHNOLOGY （ 影响因子：6.8； 五年影响因子：7.5 ）
ISSN： 0925-5214
年卷期： 2024 年 218 卷
页码：
收录情况： SCI
摘要： Bitter gourd fruit are susceptible to chilling injury when stored at 4 degrees C. In this study, bitter gourds were stored at 20 degrees C to simulate normal ripening and senescence processes, and at 4 degrees C to induce chilling injury. Transcriptomic, metabolomic, and proteomic analyses were employed to investigate the molecular mechanisms of chilling injury development during low-temperature storage. The results showed that low-temperature storage induced the expression of genes related to proline metabolism ( delta-1-pyrroline-5-carboxylate synthase-like, , ornithine-oxo-acid transaminase, , and proline dehydrogenase2, mitochondrial-like), ), antioxidants ( glutathione peroxidase 2 , superoxide dismutase, , and L-ascorbate peroxidase 6 ), and membrane lipid metabolism. Additionally, low- temperature storage affected the ICE-CBF-COR pathway ( calcium-binding protein CML15 and transcription factor ICE1). ). Correspondingly, free fatty acids (9,12,13-trihydroxy-10,15-octadecadienoic acid, 9-hydroperoxy10E,12,15Z-octadecadienoic acid, gamma-linolenic acid, alpha-linolenic acid*) and phospholipid metabolites LysoPC (18:4, 20:3, 19:1) and LysoPE (20:3, 20:3*, 20:2*) also accumulated during storage. Low-temperature storage increased POD and GPX activities. Overall, chilling injury in bitter gourd was associated with the induction of genes involved in proline metabolism, antioxidant activity, membrane lipid metabolism, cold perception mechanisms, and plant hormone signal transduction.
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