Expression of RAP2.6 in response to P. syringae pv tomato DC3000. A, Expression of RAP2.6 in wild type plants in response to P. syringae pv tomato DC3000 was determined by qRT-PCR. The data included three independent biological and three technical replicates. Values are means ± SE, n = 3. The bar shows standard error for the mean. B, GUS staining of rosette leaves of a promRAP2.6::GUS line after mock infiltration (MgCl2) and infiltration with P. syringae pv tomato DC3000 at different time points.