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Fine mapping of sterile genes in soybean (Glycine max [L.] Merril.) based on cross populations between multi-elite parent and sterile lines ms1 and ms6

文献类型： 外文期刊

作者： Jiang, Zhenfeng 1 ; Song, Jiazhuo 1 ; Du, Yanwei 1 ; Hao, Hongmei 1 ; Cheng, Jiyao 1 ; Zhao, Caitong 1 ; Zhang, Xianfeng 2 ; Wang, Wanpeng 1 ; Li, Jianan 1 ; Zheng, Yuhong 4 ; Yang, Chunyan 5 ; Li, Wenbin 1 ;

作者机构： 1.Northeast Agr Univ, Soybean Res Inst, Key Lab Soybean Biol, Chinese Educ Minist, Harbin, Peoples R China

2.Northeast Agr Univ, Training Ctr Undergrad, Harbin, Peoples R China

3.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao, Peoples R China

4.Jilin Acad Agr Sci, Soybean Res Inst, Changchun, Peoples R China

5.Hebei Acad Agr & Forestry Sci, Cereal & Oil Crop Inst, Shijiazhuang, Peoples R China

6.Northeast Agr Univ, Soybean Res Inst, Key Lab Soybean Biol, Chinese Educ Minist, Harbin 150030, Peoples R China

关键词： gene mapping; male sterile line; soybean

期刊名称：PLANT BREEDING （ 影响因子：2.0； 五年影响因子：2.1 ）

ISSN： 0179-9541

年卷期： 2024 年 143 卷 3 期

页码：

收录情况： SCI

摘要： The male sterile line of soybean is crucial for hybrid seed production, and has allowed significant advancements in soybean germplasm innovation and yield increase in China. In this study, we created two bulks of sterile plants and collected a natural population consisting of 100 elite soybean germplasms. There were significant phenotypic differences between the sterile and natural populations resulting from flowers and pods. The sterile plants exhibited fleshy spherical pods and large black-green leaves in the maturity stage, while the leaves of the fertile plants fell off. After I2-KI staining, the pollen of the sterile line turned light brown and yellow, while the pollen of the fertile line turned black. On the basis of the SNP sequencing results, the sterility genes were located on eight chromosomes. Additionally, they were fine-mapped to 13 regions on six chromosomes using 72 pairs of SSR markers. Five genes involved in auxin response and pollen development were predicted as candidate genes underlying soybean sterility. These candidate genes for soybean sterility will help with gene cloning and functional analysis and accelerate the widespread use of hybrid seed production and yield increase in soybean grown in cool regions.

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