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Physiological and metabolomic insights into molecular mechanisms of root sensitivity to zinc toxicity in rice (Oryza sativa L.).

Journal of hazardous materials - 15 Jul 2025

Wang Yin, Miao Miao, Fang Hao, Zheng Yanran, Liu Lei, Gu Xingguo, Xu Xiaoxiao, Liu Xunyue, Tang Yong, Lai Qixian, Shu Xiaoli

Abstract excerpt

Zinc (Zn) is an essential micronutrient for plants, but excessive concentrations induce cytotoxicity. As one of the world's primary crops, rice's response mechanisms to Zn toxicity remain poorly understood. In this study, we characterized a rice mutant, NG3-6, which exhibited enhanced sensitivity to Zn toxicity compared to the wild type (WT). At Zn concentrations of 40 μM and above, NG3-6 displayed severe...

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PMID: 40209416
DOI: 10.1016/j.jhazmat.2025.138204

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