Figure 4From: Setting up a platform for plant-based influenza virus vaccine production in South AfricaWestern blot analysis showing HA expression in a representative sample of transgenic plant lines. Samples were harvested from T3 plant lines that were transformed with pTRAa-H5 (lanes 2–4) or pTRAERH-H5tr (lanes 5–7). Lane 1, protein ladder (Fermentas).Back to article page