Sodium nitroprusside (SNP) generated nitric oxide delays senescence of cowpea ( Vigna unguiculata (L.) Walp )
文献类型： 外文期刊
作者： Bai, Chunmei 1 ; Zhang, Fan 1 ; Meng, Demei 2 ; Watkins, Christopher B. 3 ; Ma, Lili 1 ; Fu, Anzhen 1 ; Sang, Zhaoze 1 ; Guo, Susu 1 ; Wang, Hongwei 1 ; Wang, Qing 1 ; Zuo, Jinhua 1 ; Zheng, Yanyan 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Inst Agri Food Proc & Nutr, Beijing Key Lab Fruits & Vegetable Storage & Proc, Key Lab Vegetable Postharvest Proc,Minist Agr & Ru, Beijing 100097, Peoples R China
2.Tianjin Univ Sci & Technol, Coll Food Sci & Engn, State Key Lab Food Nutr & Safety, Tianjin 300457, Peoples R China
3.Cornell Univ, Coll Agr & Life Sci, Sch Integrat Plant Sci, Hort Sect, Ithaca, NY 14853 USA
4.Chinese Acad Agr Sci, Inst Food Sci & Technol, Beijing, Peoples R China
5.Beijing Acad Agr & Forestry Sci, Beijing Vegetable Res Ctr, State Key Lab Vegetable Biobreeding, Beijing 100097, Peoples R China
6.Beijing Acad Agr & Forestry Sci, Key Lab Biol & Genet Improvement Hort Crops North, Key Lab Urban Agr North Minist Agr, Inst Agroprod Proc & Food Nutr,Beijing Vegetable R, Bijing 100097, Peoples R China
7.Beijing Acad Agr & Forestry Sci, Inst Agroprod Proc & Food Nutr, Beijing Vegetable Res Ctr, Key Lab Urban Agr North,Minist Agr, Bijing 100097, Peoples R China
关键词： Multiomics; Lignification; Ethylene; Disease resistance; Texture
期刊名称：POSTHARVEST BIOLOGY AND TECHNOLOGY （ 影响因子：7.0； 五年影响因子：6.9 ）
ISSN： 0925-5214
年卷期： 2024 年 214 卷
页码：
收录情况： SCI
摘要： Cowpea ( Vigna unguiculata (L.) Walp) is prone to water loss and shriveling after harvest. Sodium nitroprusside (SNP) as a generator of nitric oxide acts as a senescence retarding agent. In this study, the influence of SNP on cowpea senescence during storage at 15 degrees C for 8 d has been investigated. SNP treatment (0.3 mM) decreased the mass loss and maintained the hardness, total chlorophyll, and vitamin C content of the cowpeas. SNP suppressed the expression of the genes involved in ethylene signaling ( SAM1 , ETR2 , ERFs ), cell wall disassembly ( PE2 , PL5 , PG ), and the lignin synthesis genes ( 4CL , CCR , and CAD ), while inducing the expression of defense and resistance -related genes ( KCS , ABCG , BAK1 , PR -4 , and CpPR3 ). The major differentially accumulated metabolites in SNP -treated cowpeas were flavonoids, phenolic acids, and alkaloids. SNP -induced differentially expressed proteins that are involved in lignification (4CL, CAD, and POD), texture -related processes (PL5, PE, and EG), and disease resistance (PBSI, PR1, and SCP). Overall, the study revealed that SNP -generated NO suppressed ethylene signaling, inhibited lignin accumulation, regulated wax, suberin, and cuticle biosynthesis, and enhanced defense processes, resulting in higher -quality cowpeas than those of the untreated controls.
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