Identification of quantitative trait loci and candidate genes for seed folate content in soybean
文献类型： 外文期刊
作者： Agyenim-Boateng, Kwadwo Gyapong 1 ; Zhang, Shengrui 1 ; Gu, Rongzhe 2 ; Zhang, Shibi 1 ; Qi, Jie 1 ; Azam, Muhammad 1 ; Ma, Caiyou 1 ; Li, Yecheng 1 ; Feng, Yue 1 ; Liu, Yitian 1 ; Li, Jing 1 ; Li, Bin 3 ; Qiu, Lijuan 2 ; Sun, Junming 1 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Crop Sci, Natl Engn Lab Crop Mol Breeding, Beijing 100081, Peoples R China
2.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
3.Chinese Acad Agr Sci, Inst Crop Sci, MARA Key Lab Soybean Biol Beijing, Beijing 100081, Peoples R China
期刊名称：THEORETICAL AND APPLIED GENETICS （ 影响因子：5.4； 五年影响因子：5.7 ）
ISSN： 0040-5752
年卷期： 2023 年 136 卷 7 期
页码：
收录情况： SCI
摘要： Key message From 61 QTL mapped, a stable QTL cluster of 992 kb was discovered on chromosome 5 for folate content and a putative candidate gene, Glyma.05G237500, was identified.Folate (vitamin B9) is one of the most essential micronutrients whose deficiencies lead to various health defects in humans. Herein, we mapped the quantitative trait loci (QTL) underlying seed folate content in soybean using recombinant inbred lines developed from cultivars, ZH35 and ZH13, across four environments. We identified 61 QTL on 12 chromosomes through composite interval mapping, with phenotypic variance values ranging from 1.68 to 24.68%. A major-effect QTL cluster (qFo-05) was found on chromosome 5, spanning 992 kb and containing 134 genes. Through gene annotation and single-locus haplotyping analysis of qFo-05 in a natural soybean population, we identified seven candidate genes significantly associated with 5MTHF and total folate content in multiple environments. RNA-seq analysis showed a unique expression pattern of a hemerythrin RING zinc finger gene, Glyma.05G237500, between both parental cultivars during seed development, which suggest the gene might regulate folate content in soybean. This is the first study to investigate QTL underlying folate content in soybean and provides new insight for molecular breeding to improve folate content in soybean.
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