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ROOT TRANSCRIPTOME PROFILES OF GRAPEVINE REVEAL GENETIC CHARACTERS RESPOND TO DIFFERENT PLANTING LOCATIONS

文献类型： 外文期刊

作者： Ma, Tinghui 1 ; Wang, Jingyao 2 ; Zhan, Junxiang 3 ; Wang, Rui 2 ;

作者机构： 1.Ningxia Acad Agr & Forestry Sci, Yinchuan 750011, Ningxia, Peoples R China

2.Ningxia Univ, Coll Agron, Yinchuan 750021, Ningxia, Peoples R China

3.Ningxia Grape & Wine Res Inst, Yinchuan 750021, Ningxia, Peoples R China

4.China Wine Ind Technol Inst, Yinchuan 750021, Ningxia, Peoples R China

关键词： RNA-seq; Vitis vinifera; differentially expressed genes; pathways

期刊名称：FRESENIUS ENVIRONMENTAL BULLETIN （ 影响因子：0.618； 五年影响因子：0.583 ）

ISSN： 1018-4619

年卷期： 2022 年 31 卷 7 期

页码：

收录情况： SCI

摘要： The qualities of grapes and wine are influenced by geographical location. How geographical location affects the quality of grapes and how grape root responses to the location on small-scale remained uncertain. This study aimed to investigate the changes of root transcriptome characteristics and quality of wine grapes at small-scale location. Wine grapes (V. vinifera L. cv. Cabernet sauvignon) were planted at four planting locations (ZH (Zhihui), YQY (Yuquanying), LL (Lilan), and HSB (Hongsibao)) for four years. Total NPK and available micronutrients of grape leaf were measured, and anthocyanin, total phenols, tannin, and titratable acid of grape berry were analyzed. The root transcriptome was also analyzed. The grapevine at HSB location had higher contents of Fe, Cu, Mn, Zn, and B. In contrast with ZH location, grapevine at the other three locations produced higher tannin contents, and lower contents of soluble solids, titratable acid, and anthocyanin. A total of 5010 (YQY vs. ZH), 6284 (LL vs. ZH), 4119 (HSB vs. ZH), 1623 (HSB vs. YQY), 6360 (HSB vs. LL), and 6770 (YQY vs. LL) DEGs (differentially expressed genes) were identified by t-test. These DEGs were associated with some pathways, including 'Flavonoid biosynthesis', 'Phenylpropanoid biosynthesis', 'Glutathione metabolism', and 'Nitrogen metabolism'. Transcription factors (ERF, NAC, WRKY, and MYB) and small heat shock proteins differentially expressed between groups. In conclusion, small-scale location differences altered grape root genetic characteristics, mainly involving plant resistance and defense. However, the relationships between DEGs and mineral elements and the quality of wine grapes are complex and need further investigation.

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