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Cold Stress Memory Genes in Cucumber are Widely Regulated by "Hit-and-Run" Model

文献类型： 外文期刊

作者： Di, Qinghua 2 ; Liu, Lu 1 ; Yan, Yan 1 ; Zhou, Mengdi 1 ; Wang, Jun 1 ; He, Chaoxing 1 ; Li, Yansu 1 ; Yu, Xianchang 1 ; Sun, Mintao 1 ;

作者机构： 1.Chinese Acad Agr Sci, Inst Vegetables & Flowers, State Key Lab Vegetable Biobreeding, Beijing 100081, Peoples R China

2.Anhui Acad Agr Sci, Inst Vegetables, Hefei 230000, Anhui, Peoples R China

关键词： Cold priming; Cold stress memory; Cucumber; Transcription mechanism

期刊名称：JOURNAL OF PLANT GROWTH REGULATION （ 影响因子：4.4； 五年影响因子：4.9 ）

ISSN： 0721-7595

年卷期： 2025 年

页码：

收录情况： SCI

摘要： Stress memory genes can be continuously expressed, and this sustained expression depends on the activation of non-memory stress-induced genes. This mechanism is called the 'hit-and-run' model. However, it is not clear whether cold stress memory (CS-M) genes in cucumber are widely regulated by this model. Here, we used our previously published RNA-seq data, and classify these CS-induced genes into two classes: sustainably induced (CS-memory) and non-sustainably induced (NSI) genes. We then utilized bioinformatics analysis to predict the regulatory of NSI and CS-M genes, which showed that NSI gene, especially for up-regulated genes, can widely regulate the up-memory genes through protein interactions or transcript factor (TF) binding. We further randomly validated these interactions or bindings through yeast two-hybrid and yeast one-hybrid. In general, the "hit-and-run" regulatory model for CS-memory gene is widespread in cucumbers, laying foundation for further CS-memory mechanism study.

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