Figure 2. Schematic representation of the tissue expression and expression changes by Fe deficiency of representative transporters involved in metal homeostasis. VB, vascular bundle; Cor, cortex; EP, exodermis plus epidermis; newDC, vascular bundles from new leaves in the DC; oldDC, vascular bundles from old leaves in the DC. The genes listed in the Table are expressed in the indicated tissues. Genes in pink and black letters are upregulated and not upregulated by Fe deficiency, respectively, in the indicated tissue.