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Article

L-DOPA elicits iron deficiency response through root-to-shoot signaling and independently of the canonical regulatory pathway.

The New phytologist - 1 Mar 2026

Hsieh En-Jung, Rusli Moh Hari, Liao Siao-Wei, Tseng Chu-Han, Chang Ching-Yuan, Wang Shan-Li, Yang Tzu-Chieh, Chan Yi-Tsu, Shih Yang-Hsin, Hong Chwan-Yang, Grillet Louis

Abstract excerpt

Iron (Fe) deficiency causes anemia in humans and yield losses in crops. Increasing Fe concentration in plants would be beneficial for agriculture and global health. The allelochemical L-3-(3,4-dihydroxyphenyl)alanine (L-DOPA) can promote Fe accumulation, and its potential use for Fe biofortification was investigated. L-DOPA was exogenously supplied to Arabidopsis thaliana, and the expression of Fe deficiency...

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PMID: 41408918
DOI: 10.1111/nph.70823

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