期刊
FOOD CHEMISTRY
卷 362, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2021.130076
关键词
Radish; Blue; Metabolome profiling; Transcriptome sequencing; Energy metabolism; Glucosinolate
资金
- Special Training Program for Outstanding Scientists of the Beijing Academy of Agricultural and Forestry Sciences [JKZX201908]
- Collaborative Innovation Center of the Beijing Academy of Agricultural and Forestry Sciences [KJCX201915]
- China Agriculture Research System of MOF [CARS-23]
- Efficient Ecological Agriculture Innovation Project of the Taishan Industry Leading Talent Program, Shandong Province [LJNY201705]
- China Agriculture Research System of MARA [CARS-23]
The internal blue discoloration of radish roots during storage is affected by high content of glucosinolates, oxidation system (ROS, CAT, POD) or low reduction system (GSH, GPX, APX, GST, ASA), providing new insights into the underlying metabolic causes of the blue discoloration of radish roots.
The internal blue discoloration of radish roots (Raphanus sativus) during storage affects their quality. We here performed transcriptome and metabolome profiling to investigate the mechanisms underlying the bluing of radish roots during storage. On comparing white radish (WR) and blue radish (BR), we identified 14,171 differentially expressed genes (upregulated: 7,383, downregulated: 6,788) and 145 differentially accumulated metabolites (upregulated: 117, downregulated: 28). Functional annotation analysis and metabolome profiling revealed that the blue discoloration of radish roots was promoted by high content of glucosinolates, oxidation system (ROS, CAT, POD) or low reduction system (GSH, GPX, APX, GST, ASA). Our results provide new insights into the underlying metabolic causes of the blue discoloration of radish roots and report candidate genes and metabolites involved in blue compound biosynthesis.
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