UVA的消失和存在对葡萄果实中酰基化花青素形成的影响

IF 4.1 Q2 FOOD SCIENCE & TECHNOLOGY Food Chemistry Molecular Sciences Pub Date : 2022-12-30 DOI:10.1016/j.fochms.2022.100142
Haining Yin , Lin Wang , Fucheng Wang , Zhumei Xi
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引用次数: 1

摘要

UVA (Ultraviolet A, UVA)是紫外光的主要成分,通过影响葡萄花青素的组成和含量,对葡萄的颜色特征起着至关重要的作用。结果表明,UVA筛选抑制了花青素的合成,照射促进了花青素的合成。花青素的乙酰化和对香豆素化更为明显,与a*呈正相关,与L*、b*、C*、h呈负相关,从而导致颜色的变化。加权基因共表达网络分析显示,两个模块(红色和绿松石)与芍药苷乙酰化和对香豆素化显著相关。此外,相关基因表达分析和相关分析也表明,VvMYBA1可能通过直接调控VvOMT的表达,并通过VvGST4增加向液泡的通量,从而影响花青素的积累。总之,这些结果有助于提高我们对UVA在皮肤颜色形成中的作用的理解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Effects of UVA disappearance and presence on the acylated anthocyanins formation in grape berries

Ultraviolet A (UVA), the major component of the UV, plays a crucial role in formatting the characteristics of color in wine grapes by influencing its anthocyanin composition and contents. Results showed that anthocyanin biosynthesis was suppressed by UVA screening and enhanced by irradiation. The acetylation and p-coumaroylation of anthocyanins were more pronounced and showed positive correlation with a* and negative correlation with L*, b*, C*, and h, thereby leading to changes in color. Weighted gene co-expression network analysis showed that two modules (red and turquoise) were significantly related to the acetylation and p-coumaroylation of peonidin. In addition, relative gene expression assays and correlation analysis also indicated that VvMYBA1 might influence anthocyanin accumulation by directly regulating VvOMT expression and increasing the flux to the vacuole through VvGST4. In conclusion, the results helped in improving our understanding of the role of UVA in skin color formation.

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来源期刊
Food Chemistry Molecular Sciences
Food Chemistry Molecular Sciences Agricultural and Biological Sciences-Food Science
CiteScore
6.00
自引率
0.00%
发文量
83
审稿时长
82 days
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