PCR reaction mixture varied: for CaMV 35S and nos amplifications, it consisted of 1 buffer (Fermentas), 1.5 mM MgCl2 (Fermentas), 0.6 mM of primers for 35S or nos, 0.16 mM of each
dNTP (Fermentas) and 0.8 U of Maxima Hot Start Taq polymerase (Fermentas); for soy-specific lectin amplifications, it consisted of 1 buffer (Fermentas), 2 mM MgCl2 (Fermentas), 0.5 mM of primers