文献类型： 外文期刊
作者： Zhang, Shibi 1 ; Agyenim-Boateng, Kwadwo Gyapong 2 ; Zhang, Shengrui 2 ; Gu, Yongzhe 3 ; Qi, Jie 2 ; Azam, Muhammad 2 ; Ma, Caiyou 2 ; Li, Yecheng 2 ; Feng, Yue 2 ; Liu, Yitian 2 ; Li, Jing 2 ; Li, Bin 4 ; Qiu, Lijuan 3 ; Sun, Junming 1 ;
作者机构： 1.Qingdao Agr Univ, Coll Agron, Qingdao 266000, Peoples R China
2.Chinese Acad Agr Sci, Inst Crop Sci, Natl Engn Lab Crop Mol Breeding, Beijing 100081, Peoples R China
3.Chinese Acad Agr Sci, Inst Crop Sci, Natl Key Facil Crop Gene Resources & Genet Improve, Key Lab Germplasm Biotechnol MARA, Beijing 100081, Peoples R China
4.Chinese Acad Agr Sci, Inst Crop Sci, MARA Key Lab Soybean Biol Beijing, Beijing 100081, Peoples R China
关键词： soybean (Glycine max L. Merrill); tocopherol; QTL; candidate gene; haplotype
期刊名称：AGRONOMY-BASEL （ 影响因子：3.7； 五年影响因子：4.0 ）
ISSN：
年卷期： 2023 年 13 卷 5 期
页码：
收录情况： SCI
摘要： Tocopherol plays an important role as a powerful antioxidant in human beings and in plants. This study investigated the genetic basis of tocopherol content in soybean. A RIL population of 192 lines derived from 2 cultivars, ZH13 and ZH35, was evaluated for tocopherol content across 3 environments. QTL mapping identified 38 QTL for tocopherol, with stable QTL identified on Chromosomes 5 and 12. Ninety polymorphic genes were identified from these regions. Further SNP variation of a natural population identified 47 SNPs, with missense variants in 19 genes, including the heat shock transcription factor gene (GmHSFA8) and gamma-tocopherol methyltransferase (GmVTE4), potentially related to tocopherol accumulation in soybean. Haplotype analysis revealed significant variations in these missense variants in the natural population. This study provides insights into the genetic mechanisms underlying tocopherol content in soybean, which is important for breeding high tocopherol soybean cultivars.
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