Impact of hormone applications on ripening-related metabolites in Gewurztraminer grapes (Vitis vinifera L.): The key role of jasmonates in terpene modulation
文献类型： 外文期刊
作者： Wang, Junfang 1 ; VanderWeide, Joshua 1 ; Yan, Yifan 1 ; Tindjau, Ricco 1 ; Pico, Joana 1 ; Deluc, Laurent 3 ; Zandberg, Wesley F. 4 ; Castellarin, Simone D. 1 ;
作者机构： 1.Univ British Columbia, Fac Land & Food Syst, Wine Res Ctr, 2205 East Mall, Vancouver, BC V6T 1Z4, Canada
2.Shandong Acad Agr Sci, Shandong Acad Grape, Jinan 250100, Peoples R China
3.Oregon State Univ, Dept Hort, Oregon Wine Res Inst, Corvallis, OR 97331 USA
4.Univ British Columbia, Irving K Barber Fac Sci, Wine Res Ctr, Dept Chem, Okanagan Campus, Kelowna, BC, Canada
关键词： ABA; Ethylene; IAA; NAA; Monoterpene; Sesquiterpene
期刊名称：FOOD CHEMISTRY （ 影响因子：9.231； 五年影响因子：8.795 ）
ISSN： 0308-8146
年卷期： 2022 年 388 卷
页码：
收录情况： SCI
摘要： Terpenes play a formative role in grape and wine flavor, particularly for high-terpenic cultivars. Differences in terpene profiles influence grape varietal character and vintage quality. Little is known about the endogenous factors controlling terpene biosynthesis in grape. Through multiple experiments, six hormones (abscisic acid, ABA; ethylene, ETH; jasmonic acid, JA; methyl jasmonate, MeJA; indole-3-acetic acid, IAA; 1-naphthaleneacetic acid, NAA) that either promote or repress ripening were applied to Gewurztraminer clusters near veraison to gauge their effect on ripening and terpene biosynthesis. Jasmonates (JA, MeJA) increased terpene concentrations and the expression of terpene genes in grapes. Such increases were not associated to increases of other ripening related metabolites such as sugars or anthocyanins. MeJA also affected the expression of several hormone related genes, increased IAA levels, and reduced sugar and anthocyanin concentration in grapes. This research provides novel insights into terpene regulation by ripening-related hormones and jasmonates in grapes.
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