Seed-preferred GUS activities in the transgenic plants carrying the LOC_Os02g15090 URS:: GUS construct. (A) Roots. Left, WT root; Right, the transgenic root. (B) Leaves. (C) Stems. (D) Panicles. (E) Mature seeds. From (B) to (E), the top image were from WT and the bottom images were from the transgenic plants. Bars: 5 mm in (A) to (D) and 1 mm in (E).