Identification of Candidate Genes for Drought Resistance during Soybean Seed Development

文献类型： 外文期刊

第一作者： Tang, Xiaofei

作者： Tang, Xiaofei;Xue, Yongguo;Cao, Dan;Luan, Xiaoyan;Zhao, Kezhen;Liu, Qi;Ren, Yang;Zhu, Zifei;Liu, Xinlei;Li, Yong

作者机构：

关键词： soybean; seed development; drought stress; transcriptome; DEGs

期刊名称：AGRICULTURE-BASEL （ 影响因子：3.6； 五年影响因子：3.6 ）

ISSN：

年卷期： 2023 年 13 卷 5 期

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收录情况： SCI

摘要： Drought is the main abiotic stress limiting soybean production worldwide and seriously limits the reproductive growth of soybean. To elucidate the molecular mechanisms of drought stress response in soybean seed developmental stages, transcriptome analysis was performed on five seed developmental stages under drought stress and control conditions. Thousands of genes were found to change in expression level under drought stress, GO and KEGG enrichment analysis showed that differentially expressed genes (DEGs) were involved in drought resistance at every stage or tissue, but there were very few DEGs at the primary stage of seed development, which indicated that the seeds at the primary developmental stage were influenced little by drought stress. There was no shared DEG among all five stages or tissues, this indicated that they have different mechanisms to resist drought stress. Furthermore, we investigated DEGs associated with drought response at different stages to identify candidate regulators of drought stress response during soybean seed development. These genes are associated with metabolic and regulatory networks, among others. Taken together, the results will expand our understanding of the adaptation of soybean to drought stress and provide new insights into the molecular mechanisms of soybean drought tolerance development.

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