Fig. 3.

RT-PCR amplification of a 341 bp fragment from the anti-VEGFR2 nanobody with specific primers. C-1: negative control (water template), C-2: negative control (RNA template), C-3: negative control [Wald type (non-transformed plant)], C+: positive control, lanes 1–2: N. benthamiana transformed plants, lanes 3–5: N. tabacum transformed plants, M: molecular weight marker (1 kb standard GeneRuler)