A Genome-Wide Association Study Reveals the Genetic Mechanisms of Nutrient Accumulation in Spinach
文献类型： 外文期刊
第一作者： Ji, Ni
作者： Ji, Ni;Fang, Zhengwu;Ji, Ni;Liu, Zhiyuan;She, Hongbing;Xu, Zhaosheng;Zhang, Helong;Qian, Wei;Qian, Wei
作者机构：
关键词： spinach; nutrients; genome-wide association study; single-nucleotide polymorphism; candidate genes
期刊名称：GENES （ 影响因子：3.5； 五年影响因子：3.9 ）
ISSN：
年卷期： 2024 年 15 卷 2 期
页码：
收录情况： SCI
摘要： Spinach is a significant source of vitamins, minerals, and antioxidants. These nutrients make it delicious and beneficial for human health. However, the genetic mechanism underlying the accumulation of nutrients in spinach remains unclear. In this study, we analyzed the content of chlorophyll a, chlorophyll b, oxalate, nitrate, crude fiber, soluble sugars, manganese, copper, and iron in 62 different spinach accessions. Additionally, 3,356,182 high-quality, single-nucleotide polymorphisms were found using resequencing and used in a genome-wide association study. A total of 2077 loci were discovered that significantly correlated with the concentrations of the nutritional elements. Data mining identified key genes in these intervals for four traits: chlorophyll, oxalate, soluble sugar, and Fe. Our study provides insights into the genetic architecture of nutrient variation and facilitates spinach breeding for good nutrition.
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