FIGURE 2.

CROLIN1 is expressed specifically in pollen. A, the expression pattern of CROLIN1 was determined using RT-PCR. EF4A was used as a control. The samples are displayed as follows. Lanes 1–5, root, stem, leaf, flower, and flower bud, respectively. B–H, CROLIN1 promoter activity was detected using GUS as a reporter. B, inflorescence; C, stigma and anther; D, pollen grain and tube; E, root; F, silique; G, mature leaf; H, 10-day-old seedling. Bars in B–H, 1 mm, 200 μm, 50 μm, 2 mm, 2 mm, 5 mm, and 2 mm, respectively.