Functional conservation analysis and expression modes of grape anthocyanin synthesis genes responsive to low temperature stress
文献类型: 外文期刊
作者: Zhang, Cheng 1 ; Jia, Haifeng 1 ; Wu, Weimin 2 ; Wang, Xicheng 2 ; Fang, Jinggui 1 ; Wang, Chen 1 ;
作者机构: 1.Nanjing Agr Univ, Coll Hort, Nanjing 210095, Jiangsu, Peoples R China
2.Jiangsu Acad Agr Sci, Inst Hort, Nanjing 210014, Jiangsu, Peoples R China
关键词: Anthocyanin;Vitis vinifera L. cv. Yongyou 1 Juxing;Low temperature;Conservation analysis;Gene expression
期刊名称:GENE ( 影响因子:3.688; 五年影响因子:3.329 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: In grape cultivation, low temperature generally increases the expression of genes involved in synthesis of anthocyanin. In this study, multi-type structural analysis of the proteins encoded by five anthocyanin biosynthesis genes VvF3H, VvPAL, VvCHS3, VvCHS2 and VvLDOX, in addition to nine of their homologous genes revealed that proteins in grapevine shared a high similarity with that in kiwi, red orange and some other species in which the biosynthesis of anthocyanin significantly influenced by low temperature as proved by previous studies. Low temperature regulatory elements were also found in the promoter region of the grapevine genes VvCHS2, VvPAL and VvF3H. These findings indicate that the functions of anthocyanin biosynthesis genes in grapevine are conservative and might be sensitive to low temperature. In order to identify the specific expression patterns of the five anthocyanin biosynthesis genes and the changes of polyphenols, anthocyanins and flavonoids under low temperature stress. The transcription analysis of the five genes and the content of polyphenols, anthocyanins and flavonoids in grape skins were examined, by using Vitis vinifera L. cv. 'Yongyou 1' and juxing' berries as experimental material and treated at 4 degrees C and 25 degrees C for 24 h, 48 h, 72 h and 96 h. The results showed that low temperature greatly enhanced the expression of the five anthocyanin biosynthesis genes. Low temperature greatly slowed down the decomposition of polyphenol, anthocyanin, and flavonoid in grape skins. Our study also found that cv. juxing' responded more sensitively to low temperature than cv. 'Yongyou 1'. All the findings would provide a basis for further study on the mechanism of anthocyanin biosynthesis under environmental stress. (C) 2015 Elsevier B.V. All rights reserved.
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