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

文献类型： 外文期刊

第一作者： Liu, Lu

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

作者机构：

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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