Phenotypes of WT, petc, and atpd plants. Plants grown on Murashige and Skoog medium supplemented with Suc were illuminated with white light or UV light (B-100AP/R, UVP Inc., Upland, CA). a, WT and petc-1, -2, and -3 plants illuminated with white light; b, WT and petc-2 plants under UV light; and c, WT and atpd-1 plants under white light (top) or UV light (bottom).