Transcriptome and WGCNA reveals the potential genetic basis of photoperiod-sensitive male sterility in soybean

文献类型： 外文期刊

第一作者： Yang, Yuhua

作者： Yang, Yuhua;Xu, Lihong;Wang, Minggui;Chen, Shuichun;Bai, Zhiyuan;Zhang, Haiping;Zhang, Ruijun;Yang, Yuhua;He, Suqin;Zhao, Bo;Wang, Lixiang;He, Suqin;Xu, Lihong;Wang, Minggui;Chen, Shuichun;Yang, Tingting;Zhao, Bo;Wang, Lixiang;Zhang, Jiangjiang

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关键词： Soybean; Photoperiod-sensitive genic male sterility; WGCNA; Photoperiod stress; Hybrid breeding

期刊名称：BMC GENOMICS （ 影响因子：3.7； 五年影响因子：4.2 ）

ISSN： 1471-2164

年卷期： 2025 年 26 卷 1 期

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收录情况： SCI

摘要： Background Soybean (Glycine max (L.) Merr.) is a crucial crop due to its high plant protein and oil content. Previous studies have shown that soybeans exhibit significant heterosis in terms of yield and protein content However, the practical application of soybean heterosis remains difficult, as the molecular mechanisms underlying photoperiod-sensitive genic male sterile (PGMS) is still unclear. Results This study characterized the PGMS line 88-428BY, which is sterile under short-day (SD) conditions and fertile under long-day (LD) conditions. To elucidate the genetic basis for this trait, we collected anthers, from 88-428BY under SD and LD conditions at three developmental stages, resulting in the identification of differentially expressed genes (DEGs) (2333, 2727 and 7282 DEGs, respectively) using Illumina transcriptome analysis. Using Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway analyses, we fund that among the DEGs, enriched genes were associated with photoperiod stress, light stimulus, oxidation-reduction processes, multicellular organism development and protein phosphorylation. Additionally, weighted correlation network analysis identified four modules (blue, brown, red, and yellow) that were significantly correlated with PGMS, revealing co-expressed hub genes with potential regulatory roles. Functional annotation of 224 DEGs with|KME| >0.9 across the four modules in seven databases highlighted their involvement in light stimulus, oxidation-reduction processes, multicellular organism development, and protein phosphorylation, suggesting their importance in soybean PGMS. By integrating fertility-related genes previously identified by other studies with the DEGs from our analysis, we identified eight candidate genes associated with the photosensitive sterility in soybeans. Conclusions This study enhances the understanding of PGMS in soybean and establishes the genetic basis for a two-line hybrid seed production system in soybean.

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