Identification of QTL for Alkylresorcinols in Wheat and Development of KASP Markers for Marker-Assisted Selection of Health-Promoting Varieties
文献类型： 外文期刊
作者： Zhi, Lei 1 ; Gong, Xue 1 ; Zhang, Hongyu 1 ; Liu, Jindong 1 ; Cao, Shuanghe 1 ; Zhang, Yong 1 ; Yan, Jun 5 ; Tian, Wenfei 1 ; He, Zhonghu 1 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Crop Sci, Natl Wheat Improvement Ctr, State Key Lab Crop Gene Resource & Breeding, Beijing 100081, Peoples R China
2.Chinese Acad Agr Sci, Int Maize & Wheat Improvement Ctr CIMMYT China Off, Beijing 100081, Peoples R China
3.Northwest A&F Univ, Coll Agron, Yangling 712100, Peoples R China
4.Chinese Acad Agr Sci, Zhongyuan Res Ctr, Xinxiang 453519, Peoples R China
5.Chinese Acad Agr Sci, Inst Cotton Res, Anyang 455000, Peoples R China
关键词： alkylresorcinols; phytochemical; quantitativetrait locus; marker-assisted selection; functionalwheat
期刊名称：JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY （ 影响因子：5.7； 五年影响因子：6.0 ）
ISSN： 0021-8561
年卷期： 2024 年
页码：
收录情况： SCI
摘要： This study evaluated alkylresorcinol concentration (ARC) in recombinant inbred lines (RILs) from the cross of Zhongmai 578 and Jimai 22 in three environments. ARC exhibited a continuous distribution ranging from 337.4 to 758.0, 495.4-768.0, and 456.3-764.7 mu g/g, respectively, in three environments. Analysis of variance (ANOVA) indicated significant (P < 0.001) impacts of genotypes, environments, and their interactions. The broad-sense heritability of ARC was 0.76. Genome-wide linkage mapping analysis identified four stable quantitative trait loci (QTL) for ARC on chromosomes 2A, 3A, 4D, and 7A. Kompetitive allele-specific PCR (KASP) marker of each QTL was developed and validated in 206 representative wheat varieties. Wheat varieties harboring 0, 1, 2, 3, and 4 favorable alleles had ARC of 499.1, 587.8, 644.7, 668.5, and 711.1 mu g/g, respectively. This study suggests that combining multiple minor-effect QTL through KASP markers can serve as an effective strategy for breeding high-ARC wheat, thereby enhancing innovations in functional food production.
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