Synchrotron x-ray fluorescence microscopy map of elemental distribution in leaves of the wild type and the ysl1ysl3 DM of Arabidopsis. A and G, The third leaf of 18-d-old soil-grown wild-type (A) and ysl1ysl3 (G) plants was used. B to F, Spatial distribution of Ca, Cu, Fe, Mn, and Zn in wild-type leaves. H to L, Spatial distribution of Ca, Cu, Fe, Mn, and Zn in ysl1ysl3 leaves.