Acta Agriculturae Boreali-Sinica ›› 2025, Vol. 40 ›› Issue (6): 11-20. doi: 10.7668/hbnxb.20195302

Special Issue: Oil crops Biotechnology

• Crop Genetics & Breeding·Germplasm Resources·Biotechnology • Previous Articles     Next Articles

Transcriptome Analysis of Germinating Soybeans under Low Temperature Stress

CHEN Yuehan1, WEI Yu1, FENG Yan1, ZHAO Li2, YAN Long1, YANG Qing1, LIU Zhi1   

  1. 1 Institute of Cereal and Oil Crops,Shijiazhuang Sub-Center of National Soybean Improvement Center, Huang-Huai-Hai Key Laboratory of Biology and Genetic Improvement of Soybean,Hebei Laboratory of Crop Genetics and Breeding,Hebei Academy of Agricultural and Forestry Sciences,Shijiazhuang 050035,China
    2 Shijiazhuang Bureau of Landscape Architecture,Shijiazhuang 050019,China
  • Received:2025-01-20 Published:2025-12-31

Abstract:

The soybean germination stage is greatly affected by low-temperature stress,which can have a significant impact on yield.In order to explore genes related to the response of soybean germination to low-temperature stress and investigate the biological processes underlying soybean germination tolerance to cold,this study conducted transcriptome sequencing on seeds germinating for three days from eight materials showing significant differences in low-temperature tolerance during germination.Differential expressed genes (DEGs) between materials tolerant and sensitive to low temperatures were identified and subjected to GO enrichment analysis,KEGG pathway enrichment analysis,and transcription factor analysis.Among 231 DEGs identified in 15 contrasting groups of low-temperature tolerance,159 DEGs were up-regulated and 72 DEGs were down-regulated in cold-sensitive soybeans.GO enrichment analysis revealed that DEGs were mainly involved in biological processes such as cellular processes (GO:0009987),metabolic processes (GO:0008152),biological regulation (GO:0065007),response to stimulus (GO:0050896),binding (GO:0005488),transporter activity (GO:0005215),and transcription regulator activity (GO:0140110).KEGG pathway enrichment analysis indicated that DEGs were significantly enriched in starch and sucrose metabolism pathways (ko00500).Genes involved in seed development (Glyma.03G144400, Glyma.19G147200,Glyma.10G027600,Glyma.10G247500,Glyma.20G147600),metabolic reactions (Glyma.05G004300,Glyma.17G086400),and genes encoding glutathione oxidase (Glyma.01G219400) were up-regulated in cold-sensitive materials.Fifteen transcription factors from families such as MYB,AP2/ERF,and NAC were identified among the 231 differentially expressed genes,suggesting that soybeans respond to low-temperature stress during germination by regulating various biological processes,metabolic pathways,and signal transduction pathways.

Key words: Soybean, Germination stage, Low temperature stress, Transcriptome, Candidate gene

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Cite this article

CHEN Yuehan, WEI Yu, FENG Yan, ZHAO Li, YAN Long, YANG Qing, LIU Zhi. Transcriptome Analysis of Germinating Soybeans under Low Temperature Stress[J]. Acta Agriculturae Boreali-Sinica, 2025, 40(6): 11-20. doi: 10.7668/hbnxb.20195302.

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