Two dwarfing genes Rht-B1b and Rht-D1b show pleiotropic effects on grain protein content in bread wheat (Triticum aestivum L.)
文献类型： 外文期刊
第一作者： Hu, Wenjing
作者： Hu, Wenjing;Wu, Di;Li, Dongshen;Cheng, Xiaoming;Wang, Zunjie;Hu, Wenjing;Zhao, Die;Jia, Jizeng
作者机构： Minist Agr & Rural Affairs, Lixiahe Inst Agr Sci, Key Lab Wheat Biol & Genet Improvement Low Middle, Yangzhou 225007, Peoples R China;Yangzhou Univ, Jiangsu Coinnovat Ctr Modern Prod Technol Grain Cr, Jiangsu Key Lab Crop Genom & Mol Breeding, Jiangsu Key Lab Crop Genet & Physiol,Agr Coll, Yangzhou 225009, Jiangsu, Peoples R China;Yangtze Univ, Coll Agr, Jingzhou 434025, Peoples R China;Chinese Acad Agr Sci CAAS, Inst Crop Sci, Beijing 100081, Peoples R China
期刊名称：THEORETICAL AND APPLIED GENETICS （ 2023影响因子：4.4； 五年影响因子：5.0 ）
ISSN： 0040-5752
年卷期： 2024 年 137 卷 9 期
收录情况： SCI
摘要： Grain protein content (GPC) plays an important role in wheat quality. Here, a recombinant inbred line (RIL) population derived from a cross between Yangmai 12 (YM12) and Yanzhan 1 (YZ1) was used to identify quantitative trait loci (QTL) for GPC. Two hundred and five RILs and their parents were grown in three years in randomized complete blocks each with two replications, and genotyped using the wheat 55 K SNP array. Five QTL were identified for GPC on chromosomes 1A, 1B, 2D, 4B, and 4D. Notably, QGpc.yaas-4B (co-located with Rht-B1) and QGpc.yaas-4D (co-located with Rht-D1) were consistently detected across all experiments and best linear unbiased estimating, accounting for 6.61-8.39% and 6.05-10.21% of the phenotypic variances, respectively. The effects of these two dwarfing alleles Rht-B1b and Rht-D1b on reducing GPC and plant height were validated in two additional RIL populations and one natural population. This study lays a foundation for further investigating the effects of dwarfing genes Rht-B1b and Rht-D1b on wheat GPC.
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