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Volume 11
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10.3390/foods11182777
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Article

The Expression of Aroma Components and Related Genes in Merlot and Marselan Scion–Rootstock Grape and Wine

by
Chan Li
1,
Hao Chen
1,
Yiran Li
1,
Tiantian Du
1,
Jia Jia
1 and
Zhumei Xi
1,2,*
1
College of Enology, Northwest A&F University, Yangling, Xianyang 712100, China
2
Shaanxi Engineering Research Center for Viti-Viniculture, Yangling, Xianyang 712100, China
*
Author to whom correspondence should be addressed.
Foods 2022, 11(18), 2777; https://doi.org/10.3390/foods11182777
Submission received: 23 July 2022 / Revised: 13 August 2022 / Accepted: 5 September 2022 / Published: 9 September 2022
(This article belongs to the Section Drinks and Liquid Nutrition)
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Abstract

Rootstocks were bred and selected from several species in order to enhance the resistance against biotic or abiotic stresses. There are few studies on the effect of rootstocks on aroma and related gene expression. This study focused on the effects of three rootstocks, Kober 5BB (5BB), 1103 Paulsen (1103P), and Selection Oppenheim (SO4), on the aroma and volatile-related gene expression levels of Merlot and Marselan berries and wines. These three rootstocks reduced the total aroma content of Merlot wine. 5BB upregulated VvLoXA and showed increased C6 alcohols. 1103P enhanced the linalool from Merlot berry, with marked upregulation of VvLinNer1. Conversely, rootstocks increased the total aroma content of Marselan berry, verified by the related expression levels of volatile-related genes. For Marselan berry, 5BB and 1103P upregulated five VvGTs and nine genes from the LOX and MEP pathway. 1103P increased the contents of C6 alcohols, C6 aldehydes, and citronellol from Marselan berry. Compared to 5BB and SO4, rootstock 1103P provided berries of better quality and richer aroma volatiles to Merlot and Marselan, while all three of the rootstocks had a significant effect on scion–rootstocks.
Keywords: scion–rootstock; volatile-related gene expressions; C6 compounds; LOX pathway scion–rootstock; volatile-related gene expressions; C6 compounds; LOX pathway
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MDPI and ACS Style

Li, C.; Chen, H.; Li, Y.; Du, T.; Jia, J.; Xi, Z. The Expression of Aroma Components and Related Genes in Merlot and Marselan Scion–Rootstock Grape and Wine. Foods 2022, 11, 2777. https://doi.org/10.3390/foods11182777

AMA Style

Li C, Chen H, Li Y, Du T, Jia J, Xi Z. The Expression of Aroma Components and Related Genes in Merlot and Marselan Scion–Rootstock Grape and Wine. Foods. 2022; 11(18):2777. https://doi.org/10.3390/foods11182777

Chicago/Turabian Style

Li, Chan, Hao Chen, Yiran Li, Tiantian Du, Jia Jia, and Zhumei Xi. 2022. "The Expression of Aroma Components and Related Genes in Merlot and Marselan Scion–Rootstock Grape and Wine" Foods 11, no. 18: 2777. https://doi.org/10.3390/foods11182777

APA Style

Li, C., Chen, H., Li, Y., Du, T., Jia, J., & Xi, Z. (2022). The Expression of Aroma Components and Related Genes in Merlot and Marselan Scion–Rootstock Grape and Wine. Foods, 11(18), 2777. https://doi.org/10.3390/foods11182777

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