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Soybean plant height QTL mapping and meta-analysis for mining candidate genes

文献类型： 外文期刊

作者： Yin, Zhengong 1 ; Qi, Huidong 1 ; Chen, Qingshan 1 ; Zhang, Zhanguo 1 ; Jiang, Hongwei 1 ; Zhu, Rongsheng 1 ; Hu, Zhen 1 ;

作者机构： 1.Northeast Agr Univ, Coll Agr, Harbin, Heilongjiang, Peoples R China

2.Heilongjiang Acad Agr Sci, Crop Breeding Inst, Harbin, Heilongjiang, Peoples R China

3.Crop Res & Breeding Ctr Land Reclamat Heilongjian, Harbin, Heilongjiang, Peoples R China

4.HeiLongJiang Acad Agr Sci, JiaMuSi Branch Inst, Jiamusi, Heilongjiang, Peoples R China

5.Heilongjiang Acad Agr Sci, Suihua Branch, Suihua, Heilongjiang, Peoples R China

关键词： candidate genes;meta-analysis;QTL mapping;soybean plant height

期刊名称：PLANT BREEDING （ 影响因子：1.832； 五年影响因子：1.956 ）

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收录情况： SCI

摘要： Plant height is closely related to seed yield of soybean. The goal of this study was to identify important loci affecting soybean plant height using meta-analysis based on a reference physical map. Plant height related to QTLs was mapped across eight years with a RIL population by WinQTLCart v2.5. 182 QTLs related to plant height of soybean from database and our research were collected, and each QTL was projected onto the soybean physical map by software BioMercator v2.1. The confidence interval of meta-QTL ranged from 0.09 to 5.07Mb, and the mean phenotypic variance ranged from 4.9% to 73.0%. Furthermore, 4,259 candidate genes were located in these consensus QTLs, and 40 of them were involved in the plant growth and stem elongation and annotated as plant hormone signal transduction (pathway ID ko04075) in KEGG pathway. These results would lay a foundation for fine mapping of QTLs/genes related to plant height and marker-assisted selection for breeding in soybean.

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