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Article

IAR4 mutation enhances cadmium toxicity by disturbing auxin homeostasis in Arabidopsis thaliana.

Journal of experimental botany - 1 Jan 2024

Chen Jie, Huang Shao Bai, Wang Xue, Huang LiZhen, Gao Cheng, Huang Xin-Yuan, Zhao Fang-Jie

Abstract excerpt

Cadmium (Cd) is highly toxic to plants, but the targets and modes of toxicity remain unclear. We isolated a Cd-hypersensitive mutant of Arabidopsis thaliana, Cd-induced short root 2 (cdsr2), in the background of the phytochelatin synthase-defective mutant cad1-3. Both cdsr2 and cdsr2 cad1-3 displayed shorter roots and were more sensitive to Cd than their respective wild type. Using genomic resequencing and...

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PMID: 37721748
DOI: 10.1093/jxb/erad366

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