Lipidomics reveals the difference of membrane lipid catabolism between chilling injury sensitive and non-sensitive green bell pepper in response to chilling
文献类型： 外文期刊
作者： Xu, Dongying 1 ; Lam, Sin Man 3 ; Zuo, Jinhua 1 ; Yuan, Shuzhi 1 ; Lv, Jiayu 1 ; Shi, Junyan 1 ; Gao, Lipu 1 ; Chen, Bin; 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Beijing Key Lab Fruits & Vegetable Storage & Proc, Key Lab Vegetable Postharvest Treatment, Minist Agr,Inst Agrifood Proc & Nutr IAPN, Beijing 100097, Peoples R China
2.Beijing Acad Agr & Forestry Sci, Key Lab Biol & Genet Improvement Hort Crops North, Key Lab Urban Agr North, Minist Agr,Natl Engn Res Ctr Vegetables,Beijing V, Beijing 100097, Peoples R China
3.Chinese Acad Sci, Inst Genet & Dev Biol, State Key Lab Mol Dev Biol, Beijing 100101, Peoples R China
4.Chongqing Univ Arts & Sci, Coll Forestry & Life Sci, Chongqing Key Lab Econ Plant Biotechnol, Inst Special Plants, Chongqing 402160, Peoples R China
关键词： Lipidomics; Phospholipases D activity; Chilling injury; Pepper
期刊名称：POSTHARVEST BIOLOGY AND TECHNOLOGY （ 影响因子：5.537； 五年影响因子：5.821 ）
ISSN： 0925-5214
年卷期： 2021 年 182 卷
页码：
收录情况： SCI
摘要： Changes in membrane lipid composition play multiple roles in the response of pepper to chilling injury (CI). A membrane lipidomic approach was used to elucidate the response of a harvested peppers of a chilling-sensitive (CS) cultivar, '129 ' and a chilling-tolerant (CT) cultivar, '130 ' to chilling temperatures during storage. Changes in the lipid composition of CT fruit were proportionally smaller relative to the changes in CS fruit. Lipidomic analysis revealed that CI in CS fruit is associated with a decrease in lysophosphatidic acid, and an increase in phosphatidic acid, triacylglycerols, and steryl esters. Furthermore, a lower level of electrolyte leakage, malondialdehyde, lipoxygenase and phospholipases D activity was observed in CT fruit, indicating that CT fruit were able to maintain membrane function despite exposure to the low temperature. Overall, results indicate that CI in pepper is associated with extensive alterations in membrane lipid metabolism and that CT fruit can avoid CI by maintaining membrane lipid homeostasis.
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