Identification and characteristic analysis of PavUGT48 as a novel UDP-glycosyltransferase with dual functions on anthocyanin and amygdalin biosynthesis in sweet cherry
文献类型： 外文期刊
作者： Feng, Chen 1 ; Guo, Qingqing 1 ; Wu, Chuanbao 1 ; Wang, Jing 1 ; Zhang, Xiaoming 1 ; Yan, Guohua 1 ; Zhou, Yu 1 ; Wang, Wei 1 ; Xue, Zheyong 5 ; Zhang, Kaichun 1 ; Duan, Xuwei 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Inst Forestry & Pomol, Beijing 100093, Peoples R China
2.Cherry Engn & Tech Res Ctr State Forestry & Grassl, Beijing 100093, Peoples R China
3.Minist Agr & Rural Affairs, Key Lab Biol & Genet Improvement Hort Crops North, Beijing 100093, Peoples R China
4.Beijing Engn Res Ctr Deciduous Fruit Trees, Beijing 100093, Peoples R China
5.Northeast Forestry Univ, Heilongjiang Key Lab Plant Bioact Subst Biosynth &, Harbin 150040, Peoples R China
关键词： Sweet cherry; UDP-glycosyltransferase; PavUGT48; Anthocyanin; Amygdalin
期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：8.5； 五年影响因子：8.7 ）
ISSN： 0141-8130
年卷期： 2025 年 309 卷
页码：
收录情况： SCI
摘要： UDP-glycosyltransferase (UGT) is essential for fruit development, but its specific role in sweet cherry fruits has not been clearly defined. This study identified a new differentially expressed UGT gene, FUN_010048, by analyzing transcriptomic data from various colored regions of bicolored fruits. The 187 UGT family members were identified in the sweet cherry genome of 'Tieton'. Notably, FUN_010084 has been renamed PavUGT48. Expression analysis revealed that PavUGT48 increased during the development of the differently colored sweet cherry fruits. Co-expression network analysis and further experiments confirmed that PavUGT48 generates cyanidin-3-O-glucoside from cyanidin using UDP-glucose (UDP-Glc) as the sugar donor, enhancing fruit coloration. Additionally, PavUGT48 facilitates the formation of amygdalin from prunasin, but it does not react with naringenin, dihydrokaempferol, or kaempferol when UDP-Glc serves as the sugar donor. These findings enhance our understanding of UGT enzymes in sweet cherries and provide a basis for improving fruit quality and developing new varieties.
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