4.7 Article

Proteins expression and metabolite profile insight into phenolic biosynthesis during highbush blueberry fruit maturation

期刊

FOOD CHEMISTRY
卷 290, 期 -, 页码 216-228

出版社

ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2019.03.115

关键词

Anthocyanin; Flavonoid; Phenolic acid; Enzyme; Transcription factor; Blueberry

资金

  1. Young Scientist Training Program of ZAAS, China
  2. Industrial Project of ZAAS, China
  3. Cooperative Breeding of New Fruit Varieties Project
  4. Major Program for Science and Technology of Zhejiang Province, China

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Blueberry is one of the richest phenolic sources, providing health benefits. To study blueberry phenolic biosynthesis, we investigated phenolics and proteomics at three typical fruit maturation phases. Multiple isoforms of enzymes and multiple members of transcription factors involved in phenolic biosynthesis were divergent and differently regulated. Regulation of some proteins resulted in change of phenolic content. During fruit maturation, down-regulation of VcOMT (CUFF.177.1) and VcLAR2 (CUFF.16780.1) was associated with decreases of ferulic acid and catechin, respectively; Up-regulation of VcFLS (CUFF.41155.1), and VcF3'5'H (CUFF.51711.1) and VcF3'5'H (gene.g10884.t1.1) likely drove increases of their products (quercetin and myricetin); Up-regulation of VcUFGALT (CUFF.20951.1) and VcUFGT73 (4333_g.1) and down-regulation of VcU5GT (CUFF.51258.1) were correlated to accumulation of anthocyanins with 3-glucoside/galactoside. Additionally, four TFs, VcAPRR2 (CUFF.24826.1), VcbHLH3 (CUFF.37765.1), VcWD (CUFF.28282.2) and VcWD (CUFF.28273.1) were probably related to regulation of anthocyanin biosynthesis. These proteins were potential targets for genetic improvement in a breeding program.

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