Genome-Wide Association Study of Grape Texture Based on Puncture

文献类型： 外文期刊

第一作者： Lin, Meiling

作者： Lin, Meiling;Sun, Lei;Liu, Xuewei;Fan, Xiucai;Zhang, Ying;Jiang, Jianfu;Liu, Chonghuai;Jiang, Jianfu

作者机构：

关键词： grape; texture; GWAS; puncture method; candidate genes

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：4.9； 五年影响因子：5.7 ）

ISSN： 1661-6596

年卷期： 2024 年 25 卷 23 期

页码：

收录情况： SCI

摘要： Grapes are grown extensively around the world and play a crucial role in overall fruit production globally. The quality of the grape is largely determined by the texture of the flesh, making it a key focus for grape breeders. Our study was conducted on 437 grape accessions using a puncture method to analyze berry texture characteristics. The results reveal strong correlations among the five texture parameters of grape accessions. Following the GWAS analysis using 2,124,668 population SNPs, 369 significant SNP locations linked to the grape berry texture were discovered. Through the process of gene annotation and expression analysis in the localization regions, several genes potentially linked to berry texture were identified, including E13A, FIS1A, CML35, AGL2, and AGL62. E13A, FIS1A, and CML35 were identified as potentially more relevant to grape berry texture based on gene expression analysis. Further investigation through transient transformation demonstrated that overexpressing E13A and CML35 resulted in notable changes in grape pulp texture. During this study, the berry textures of 437 grape accessions were comprehensively evaluated, and several important candidate genes were screened based on GWAS and analysis of gene function. This discovery paves the way for future research and breeding initiatives related to grape berry texture.

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