Molecular and biochemical characterization of the Fe(III) chelate reductase gene family in Arabidopsis thaliana. Wu H, Li L, Du J, Yuan Y, Cheng X, Ling HQ. Plant Cell Physiol. 2005 Sep;46(9):1505-14.
...... in shoots and flowers, and AtFRO7 in cotyledons and trichomes, whereas the transcription of AtFRO8 was specific for leaf veins. Considering the tissue-specific expression profiles of AtFRO genes, we suggest that AtFRO2 and AtFRO3 are two Fe(III) chelate reductases mainly functioning in iron acquisition and metabolism in Arabidopsis roots, while AtFRO5, AtFRO6, AtFRO7 and AtFRO8 are required for iron homeostasis in different tissues of shoots. ......
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