Figure 2
From: Genetic Factors for Enhancement of Nicotine Levels in Cultivated Tobacco

Northern hybridization showing NtMYC2 mRNA levels in roots of T0 transgenic plants before flowering.
The bottom panel shows the 25S ribosomal RNA in gel stained with EtBr as an RNA loading reference. AOE: NtMYC2a overexpression; BOE: NtMYC2b overexpression.