Time-series transcriptome comparison reveals the gene regulation network under salt stress in soybean (Glycine max) roots
文献类型： 外文期刊
作者： Hu, Junmei 1 ; Zhuang, Yongbin 1 ; Li, Xianchong 1 ; Li, Xiaoming 1 ; Sun, Chanchan 3 ; Ding, Zhaojun 4 ; Xu, Ran 2 ; Zhang, Dajian 1 ;
作者机构： 1.Shandong Agr Univ, Coll Agron, State Key Lab Crop Biol, Tai An 271018, Shandong, Peoples R China
2.Shandong Acad Agr Sci, Crop Res Inst, Jinan 250131, Shandong, Peoples R China
3.Yantai Univ, Coll Life Sci, Yantai 264005, Shandong, Peoples R China
4.Shandong Univ, Sch Life Sci, Minist Educ, Key Lab Plant Dev & Environm Adaptat Biol, Qingdao 266237, Shandong, Peoples R China
关键词： Soybean; RNA-seq; Root transcriptome; Salt stress
期刊名称：BMC PLANT BIOLOGY （ 影响因子：4.215； 五年影响因子：4.96 ）
ISSN： 1471-2229
年卷期： 2022 年 22 卷 1 期
页码：
收录情况： SCI
摘要： Background Soil salinity is a primary factor limiting soybean (Glycine max) productivity. Breeding soybean for tolerance to high salt conditions is therefore critical for increasing yield. To explore the molecular mechanism of soybean responses to salt stress, we performed a comparative transcriptome time-series analysis of root samples collected from two soybean cultivars with contrasting salt sensitivity. Results The salt-tolerant cultivar 'Qi Huang No.34' (QH34) showed more differential expression of genes than the salt-sensitive cultivar 'Dong Nong No.50' (DN50). We identified 17,477 genes responsive to salt stress, of which 6644 exhibited distinct expression differences between the two soybean cultivars. We constructed the corresponding co-expression network and performed Gene Ontology term and Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis. The results suggested that phytohormone signaling, oxidoreduction, phenylpropanoid biosynthesis, the mitogen-activated protein kinase pathway and ribosome metabolism may play crucial roles in response to salt stress. Conclusions Our comparative analysis offers a comprehensive understanding of the genes involved in responding to salt stress and maintaining cell homeostasis in soybean. The regulatory gene networks constructed here also provide valuable molecular resources for future functional studies and breeding of soybean with improved tolerance to salinity.
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