Comprehensive Metabolomics Analysis of Mandarins (Citrus reticulata) as a Tool for Variety, Rootstock, and Grove Discrimination
文献类型： 外文期刊
作者： Feng, Shi 1 ; Niu, Liying 2 ; Suh, Joon Hyuk 2 ; Hung, Wei-Lun 2 ; Wang, Yu 1 ;
作者机构： 1.Univ Florida, Dept Food Sci & Human Nutr, 572 Newell Dr, Gainesville, FL 32611 USA
2.Univ Florida, Citrus Res & Educ Ctr, Food Sci & Human Nutr, 700 Expt Stn Rd, Lake Alfred, FL 33850 USA
3.Jiangsu Acad Agr Sci, Inst Farm Prod Proc, Nanjing 210014, Jiangsu, Peoples R China
关键词： metabolomics; mandarin; variety discrimination; rootstock; grove location; pathway enrichment analysis
期刊名称：JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY （ 影响因子：5.279； 五年影响因子：5.269 ）
ISSN： 0021-8561
年卷期： 2018 年 66 卷 39 期
页码：
收录情况： SCI
摘要： The metabolite profile responsible for the quality of mandarin fruit is influenced by preharvest factors including genotype, rootstock, grove location, etc. In this paper, mandarin varieties were discriminated using metabolomics. Additionally, effects on metabolic profiles due to grove location and rootstock differences were also investigated. Results revealed that mandarin varieties could be differentiated using the metabolite profile, while the compositions of flavonoids have the potential for variety differentiation. With regard to fruits of the same variety, grove location might determine the overall profile of metabolites, whereas rootstock possibly affected composition of secondary metabolites. Pathway enrichment analysis demonstrated that biosynthesis pathways of terpenoids and steroids involving limonene and linalool were highly influenced by variety diversity. Moreover, the flavonoid biosynthesis pathway, involving hesperetin, naringenin, eriodictyol, and taxifolin, was indicated to have a close relationship with rootstock differentiation. This study provides useful and important information with depth for breeding and optimizing preharvest practices.
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