文献类型： 外文期刊
作者： Zeng, Xiaolin 1 ; Wei, Xi 2 ; Zhan, Jingjing 2 ; Lu, Yi 4 ; Lei, Yuqi 2 ; Shen, Xiaoyi 2 ; Ge, Xiaoyang 2 ; Chen, Quanjia 1 ; Qu, Yanying 1 ; Li, Fuguang 1 ; Zhao, Hang 2 ;
作者机构： 1.Xinjiang Agr Univ, Coll Agr, Engn Res Ctr Cotton, Minist Educ, Urumqi 830052, Xinjiang, Peoples R China
2.Chinese Acad Agr Sci, Inst Cotton Res, State Key Lab Cotton Biol, Anyang 455000, Peoples R China
3.Ind Crops Inst Jiangxi, Nanchang 330203, Peoples R China
4.Qufu Normal Univ, Coll Life Sci, Qufu 273165, Peoples R China
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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