Flavonoid Biosynthesis Pathway May Indirectly Affect Outcrossing Rate of Cytoplasmic Male-Sterile Lines of Soybean

文献类型： 外文期刊

第一作者： Lin, Chunjing

作者： Lin, Chunjing;Duan, Yuetong;Li, Rong;Wang, Pengnian;Sun, Yanyan;Ding, Xiaoyang;Zhang, Jingyong;Yan, Hao;Zhang, Wei;Peng, Bao;Zhao, Limei;Zhang, Chunbao;Lin, Chunjing;Duan, Yuetong;Wang, Pengnian;Sun, Yanyan;Ding, Xiaoyang;Zhang, Jingyong;Yan, Hao;Zhang, Wei;Peng, Bao;Zhao, Limei;Zhang, Chunbao

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关键词： soybean; male-sterile lines; RNA-seq; metabolome; outcrossing rates; DEGs; flavonoid pathway

期刊名称：PLANTS-BASEL （ 影响因子：4.5； 五年影响因子：4.8 ）

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年卷期： 2023 年 12 卷 19 期

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收录情况： SCI

摘要： (1) Background: Cytoplasmic male sterility (CMS) is important for exploiting heterosis. Soybean (Glycine max L.) has a low outcrossing rate that is detrimental for breeding sterile lines and producing hybrid seeds. Therefore, the molecular mechanism controlling the outcrossing rate should be elucidated to increase the outcrossing rate of soybean CMS lines; (2) Methods: The male-sterile soybean lines JLCMS313A (with a high outcrossing rate; HL) and JLCMS226A (with a low outcrossing rate; LL) were used for a combined analysis of the transcriptome (RNA-seq) and the targeted phenol metabolome; (3) Results: The comparison between HL and LL detected 5946 differentially expressed genes (DEGs) and 81 phenolic metabolites. The analysis of the DEGs and differentially abundant phenolic metabolites identified only one common KEGG pathway related to flavonoid biosynthesis. The qRT-PCR expression for eight DEGs was almost consistent with the transcriptome data. The comparison of the cloned coding sequence (CDS) regions of the SUS, FLS, UGT, and F3H genes between HL and LL revealed seven single nucleotide polymorphisms (SNPs) only in the F3H CDS. Moreover, five significant differentially abundant phenolic metabolites between HL and LL were associated with flavonoid metabolic pathways. Finally, on the basis of the SNPs in the F3H CDS, one derived cleaved amplified polymorphic sequence (dCAPS) marker was developed to distinguish between HL and LL soybean lines; (4) Conclusions: The flavonoid biosynthesis pathway may indirectly affect the outcrossing rate of CMS sterile lines in soybean.

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