Uncovering miRNA-mRNA regulatory modules of cotton in response to cadmium stress

文献类型： 外文期刊

第一作者： Zeng, Xiaolin

作者： Zeng, Xiaolin;Chen, Quanjia;Qu, Yanying;Li, Fuguang;Zeng, Xiaolin;Wei, Xi;Zhan, Jingjing;Lei, Yuqi;Shen, Xiaoyi;Ge, Xiaoyang;Li, Fuguang;Zhao, Hang;Zeng, Xiaolin;Lu, Yi;Zhao, Hang

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关键词： Cotton; Cd 2+stress; miRNA-seq; RNA-seq; Degradomics

期刊名称：PLANT PHYSIOLOGY AND BIOCHEMISTRY （ 影响因子：5.7； 五年影响因子：6.4 ）

ISSN： 0981-9428

年卷期： 2025 年 222 卷

页码：

收录情况： SCI

摘要： Cadmium (Cd2+), a non-essential heavy metal for plant, adversely effects on crop productivity and food safety. Cotton, predominantly cultivated as a non-food crop, offers the advantage of not transferring Cd2+ into the food chain, making it an effective option for remediating Cd2+contaminated soils. While previous researches have extensively examined the gene expression responses of cotton to Cd2+ stress, insights at the post-transcriptional level remain limited. In this study, a comprehensive methodology was employed, incorporating miRNA sequencing, degradomics, and RNA sequencing, to investigate the responses of the Cd2+-tolerant cotton cultivar XM and the Cd2+-sensitive cotton cultivar ZM24 under Cd2+ exposure. The analysis revealed that these the identified miRNA-target gene pairs predominantly influence various biological processes, including light signaling, cell wall biogenesis, abiotic stress responses, transportation, and hormone signaling pathways in response to Cd2+ stress. Overall, our findings suggest that newly identified miRNAs and their corresponding target genes in cotton may contribute to enhance tolerance to Cd2+ stress through multiple mechanisms, facilitating the breeding of superior cotton cultivars with enhanced tolerance to Cd2+ toxicity.

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