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Generation of male-sterile soybean lines with the CRISPR/Cas9 system

文献类型： 外文期刊

作者： Chen, Xiao 1 ; Yang, Suxin 1 ; Zhang, Yaohua 1 ; Zhu, Xiaobin 3 ; Yang, Xinjing 1 ; Zhang, Chunbao 4 ; Li, Haiyan 3 ; Feng, Xianzhong 1 ;

作者机构： 1.Chinese Acad Sci, Innovat Acad Seed Design, Northeast Inst Geog & Agroecol, Key Lab Soybean Mol Design Breeding, Changchun 130102, Jilin, Peoples R China

2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

3.Jilin Agr Univ, Sch Life Sci, Changchun 130118, Jilin, Peoples R China

4.Jilin Acad Agr Sci, Changchun 130000, Jilin, Peoples R China

关键词： CRISPR/Cas9; Soybean; Tapetum; Gmams; Male sterility

期刊名称：CROP JOURNAL （ 影响因子：4.647； 五年影响因子：5.781 ）

ISSN： 2095-5421

年卷期： 2021 年 9 卷 6 期

页码：

收录情况： SCI

摘要： Soybean [Glycine max (L.) Merr.] provides a rich source of plant protein and oil worldwide. The commercial use of transgenic technology in soybean has become a classical example of the application of biotechnology to crop improvement. Although genetically modified soybeans have achieved commercial success, hybrid soybean breeding is also a potential way to increase soybean yield. Soybean cytoplasmic malesterile (CMS) lines have been used in three-line hybrid breeding systems, but their application to exploiting soybean heterosis has been limited by rare germplasm resource of sterile lines. The generation of various genetic diversity male-sterile soybean lines will help to overcome the shortcoming. In this study, we used targeted editing of AMS homologs in soybean by CRISPR/Cas9 technology for the first time to generate stable male-sterile lines. Targeted editing of GmAMS1 resulted in a male-sterile phenotype, while editing of GmAMS2 failed to produce male-sterile lines. GmAMS1 functions not only in the formation of the pollen wall but also in the controlling the degradation of the soybean tapetum. CRISPR/Cas9 technology could be used to rapidly produce stable male-sterile lines, providing new sterile-line materials for soybean hybrid breeding systems. (C) 2021 Crop Science Society of China and Institute of Crop Science, CAAS. Production and hosting by Elsevier B.V. on behalf of KeAi Communications Co., Ltd.

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