Identification of genes associated with zinc and copper concentrations in walnut ( Juglans regia L.) by GWAS analysis

被引：0

作者：

Kaman, Berfin Nazlican ^{[1
]}

Yagmur, Bulent ^{[2
]}

Orman, Erdal ^{[3
]}

Tanyolac, Muhammed Bahattin ^{[1
]}

Ates, Duygu ^{[1
]}

机构：

[1] Ege Univ, Dept Bioengn, Izmir, Turkiye

[2] Ege Univ, Dept Soil Sci & Plant Nutr, Izmir, Turkiye

[3] Ataturk Hort Cent Res Inst, Yalova, Turkiye

来源：

TURKISH JOURNAL OF BOTANY | 2024年 / 48卷 / 07期

关键词：

Walnut; association mapping; single nucleotide polymorphisms (SNP); zinc; copper; biofortification; PENTATRICOPEPTIDE REPEAT PROTEINS; ABSCISIC-ACID; GENOTYPES; DIVERSITY; SOFTWARE; COMPLEX; TRAITS; KERNEL;

D O I：

10.55730/1300-008X.2828

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

A total of 154 walnut genotypes from various geographic regions were analyzed in the study. Micronutrient concentrations of zinc (Zn) ranged from 1.61 to 8.98 mg/100 g, and copper (Cu) concentrations varied between 0.12 and 0.38 mg/100 g. Precisely 16,473 single nucleotide polymorphisms (SNPs) were generated using Diversity Array Technology (DArT) for genome-wide association studies. The mixed linear model (MLM) utilizing the Q matrix and Kinship matrix (Q + K) model revealed seven associated markers for Zn in 2021 and four in 2022. The MLM (Q + K) model indicated two associated markers for Cu in 2021 and three in 2022. The markers found in this study were significantly associated with the levels of Zn and Cu in different walnut genotypes. One potential candidate gene for Zn was identified based on sequences showing homology to linked SNPs. The markers associated with Zn and Cu can be effectively used in walnut plant breeding programs to assist in selecting Zn and Cu traits.

引用

页数：18

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