Genetic Analysis of Nodule Traits in Soybean Via Wild Soybean Background Population and High Generation Recombination Inbred Lines
文献类型： 外文期刊
作者： Li, Changyu 1 ; Change, Huilin 1 ; Wang, Jinhui 1 ; Zou, Jianan 1 ; She, Yan 1 ; Zhang, Yanjiao 1 ; Wei, Wei 1 ; Wang, Zh 1 ;
作者机构： 1.Northeast Agr Univ, Coll Sci, Key Lab Soybean Biol & Breeding Genet, Key Lab Soybean Biol,Chinese Minist Educ,Chinese, Harbin, Heilongjiang, Peoples R China
2.Land Reclamat Res & Breeding Ctr Heilongjiang, Harbin, Heilongjiang, Peoples R China
3.Heilongjiang Acad Agr Sci, Crop Breeding Inst, Harbin, Heilongjiang, Peoples R China
关键词： Soybean; QTL; Nodule number; Nodule size; Nodule dry weight; Genetic; RIL
期刊名称：INTERNATIONAL JOURNAL OF AGRICULTURE AND BIOLOGY （ 影响因子：0.822； 五年影响因子：0.906 ）
ISSN： 1560-8530
年卷期： 2018 年 20 卷 11 期
页码：
收录情况： SCI
摘要： Biological nitrogen fixation ability of soybean is depending on the nodule traits. To identify QTL that underlying nodule traits by the chromosome segment substitution line (CSSL) (Sunong14xZYD00006, n=160) and the recombination inbred line (RIL) (CharlestonxDongnong594, n=150) in the field condition at the same time. 121 simple sequence repeat (SSR) markers in CSSL and 5,308 specific length amplified fragment sequencing (SLAF-seq) in RIL were used to construct genetic map. Nodule traits were evaluated in the field trial. QTL underlying nodule number, nodule size, and nodule dry weight were analyzed. There were nine QTLs were found in CSSLs and these QTLs were located on (LGs) A2, Cl, D1b, I, K, and L, respectively. A total of 14 QTL were identified and mapped on six different LGs Al, A2, D1b, E, I, and K in RILs. Interestingly, both CSSLs and RILs had the same cluster of QTLs on LGs D1b (chromosome 2) and I (chromosome 20). Focus on these two loci, we compared the genomic substituted region of special lines in CSSL and the SLAF markers of RIL, then we narrow down the Confident region to similar to 320kb and similar to 330kb, respectively. And the QTL confident region located on LG K (chromosome 9) was narrow down to similar to 540kb. Eight, 28 and 41 genes were found in these three confident regions, respectively. Three candidate genes Glyma.20g106800, Glyma. 09g183800, Glyma. 02g190100 could be used for further study. These results could supply strong candidate genes for soybean-rhizobium interaction. (C) 2018 Friends Science Publishers
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