This promoter is shown to direct the specific expression of the reporter gene,B-glucuronidase(GUS), in trichomes of Arabidopsis.

• 将此启动子与gus报告基因相连构建植物表达载体并转基因拟南芥，GUS组织化学定位分析表明此启动子在拟南芥叶片和茎的表皮毛细胞中特异表达。