Chloride accumulation in inland rivers of China and its toxic impact on cotton

文献类型： 外文期刊

第一作者： Liu, Wei

作者： Liu, Wei;Li, Wenhao;Li, Xiaona;Wu, Yuchen;Li, Jianing;Zhu, Wei;Ma, Zongbin;Zhang, Zhiqiang;Zhang, Yuzhi;Ren, Zhongying;Li, Wei;Zhou, Yang

作者机构：

关键词： Ion toxicity; Chloride; Cotton; Transcriptome; Metabolome

期刊名称：JOURNAL OF ENVIRONMENTAL MANAGEMENT （ 影响因子：8.4； 五年影响因子：8.6 ）

ISSN： 0301-4797

年卷期： 2024 年 371 卷

页码：

收录情况： SCI

摘要： The escalation of major ion concentrations in freshwater and soil poses diverse effects on ecosystems and the environment. Excessive ions can exhibit toxicity to aquatic organisms and terrestrial plants. Currently, research on ion toxicity primarily focuses on cation toxicity. Notably, there is a noticeable research gap in understanding the impact of chloride ion (Cl ) on plant growth and development, as well as on the defense mechanisms against Cl toxicity. In the present study, sampling was conducted on major rivers in China to measure Cl concentrations. The results revealed that certain rivers exhibited excessive levels of Cl , emphasizing the critical need to address Cl toxicity issues. Subsequently, when salt-tolerant cotton seedlings were subjected to various chloride treatments, it was observed that excessive Cl severely hindered plant growth and development. A combined analysis of transcriptomic and metabolomic data shed light on significantly enriched pathways related to galactose metabolism, arginine and proline metabolism, carotenoid metabolism, and alpha-linolenic acid metabolism under chloride stress. In summary, this research provides a scientific foundation and references for environmental management and water resource protection and offers novel insights for mitigating the adverse impacts of Cl , thereby contributing to the preservation of ecosystem health.

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