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Transcriptome Analysis Revealed the Dynamic and Rapid Transcriptional Reprogramming Involved in Cold Stress and Related Core Genes in the Rice Seedling Stage

文献类型： 外文期刊

作者： Wu, Bian 1 ; Chen, Siyuan 1 ; Cheng, Shiyuan 4 ; Li, Changyan 1 ; Li, Sanhe 1 ; Chen, Junxiao 1 ; Zha, Wenjun 1 ; Liu, Kai 1 ; Xu, Huashan 1 ; Li, Peide 1 ; Shi, Shaojie 1 ; Yang, Guocai 1 ; Chen, Zhijun 1 ; You, Aiqing 1 ; Zhou, Lei 1 ;

作者机构： 1.Hubei Acad Agr Sci, Food Crops Inst, Minist Agr & Rural Affairs,, Lab Crop Mol Breeding,Hubei Key Lab Food Crop Germ, Wuhan 430070, Peoples R China

2.Hubei Hongshan Lab, Wuhan 430070, Peoples R China

3.Wuhan Univ, Coll Life Sci, Wuhan 430072, Peoples R China

4.Huazhong Agr Univ, Natl Key Lab Crop Genet Improvement, Wuhan 430070, Peoples R China

关键词： rice; cold stress; transcriptome; DEG; genome re-sequencing

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.6； 五年影响因子：6.2 ）

ISSN：

年卷期： 2023 年 24 卷 3 期

页码：

收录情况： SCI

摘要： Cold damage is one of the most important environmental factors influencing crop growth, development, and production. In this study, we generated a pair of near-isogenic lines (NILs), Towada and ZL31, and Towada showed more cold sensitivity than ZL31 in the rice seedling stage. To explore the transcriptional regulation mechanism and the reason for phenotypic divergence of the two lines in response to cold stress, an in-depth comparative transcriptome study under cold stress was carried out. Our analysis uncovered that rapid and high-amplitude transcriptional reprogramming occurred in the early stage of cold treatment. GO enrichment and KEGG pathway analysis indicated that genes of the response to stress, environmental adaptation, signal transduction, metabolism, photosynthesis, and the MAPK signaling pathway might form the main part of the engine for transcriptional reprogramming in response to cold stress. Furthermore, we identified four core genes, OsWRKY24, OsCAT2, OsJAZ9, and OsRR6, that were potential candidates affecting the cold sensitivity of Towada and ZL31. Genome re-sequencing analysis between the two lines revealed that only OsWRKY24 contained sequence variations which may change its transcript abundance. Our study not only provides novel insights into the cold-related transcriptional reprogramming process, but also highlights the potential candidates involved in cold stress.

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