Fig. 7

Resistance verification of transgenic tobacco with the target genePm4CL2to crown gall disease.aThe stems of tobacco plants infected with the oncogenicAgrobacterium tumefaciens.bSymptom of transgenic line 4CL2–1 at 14 dpi.cSymptom of wild-type (WT) tobacco plants at 14 dpi.dSymptom of transgenic line 4CL2–2 at 14 dpi.eRelative expression levels of transgenic line 4CL2–1 and WT tobacco plants at 0 h, 12 h, 48 h, 60 h after the infection treatment.fRelative expression of transgenic line 4CL2–2 and WT tobacco plants at 0 h, 12 h, 48 h, and 60 h after the infection treatment. Bars are the mean ± SD (n = 3). Significant treatment effects are indicated with asterisks (**P < 0.01, ***P < 0.001)