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Mutagenesis of seed storage protein genes in Soybean using CRISPR/Cas9

文献类型： 外文期刊

作者： Li, Chenlong 1 ; Vi Nguyen 1 ; Liu, Jun 1 ; Fu, Wenqun 1 ; Chen, Chen 1 ; Yu, Kangfu 7 ; Cui, Yuhai 1 ;

作者机构： 1.Agr & Agri Food Canada, London Res & Dev Ctr, London, ON, Canada

2.Western Univ, Dept Biol, London, ON, Canada

3.Sun Yat Sen Univ, Sch Life Sci, State Key Lab Biocontrol, Guangzhou, Guangdong, Peoples R China

4.Sun Yat Sen Univ, Sch Life Sci, Guangdong Key Lab Plant Resource, Guangzhou, Guangdong, Peoples R China

5.Guangdong Acad Agr Sci, Guangzhou, Guangdong, Peoples R China

6.Minnan Normal Univ, Dept Biol Sci & Technol, Zhangzhou, Peoples R China

7.Agr & Agri Food Canada, Harrow Res & Dev Ctr, Harrow, ON, Canada

期刊名称：BMC RESEARCH NOTES （ 影响因子：1.8； 五年影响因子：4.0 ）

ISSN：

年卷期： 2019 年 12 卷

页码：

收录情况： SCI

摘要： Objective: Soybean seeds are an important source of vegetable proteins for both food and industry worldwide. Conglycinins (7S) and glycinins (11S), which are two major families of storage proteins encoded by a small family of genes, account for about 70% of total soy seed protein. Mutant alleles of these genes are often necessary in certain breeding programs, as the relative abundance of these protein subunits affect amino acid composition and soy food properties. In this study, we set out to test the efficiency of the CRISPR/Cas9 system in editing soybean storage protein genes using Agrobacterium rhizogenes-mediated hairy root transformation system. Results: We designed and tested sgRNAs to target nine different major storage protein genes and detected DNA mutations in three storage protein genes in soybean hairy roots, at a ratio ranging from 3.8 to 43.7%. Our work provides a useful resource for future soybean breeders to engineer/develop varieties with mutations in seed storage proteins.

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