Figure 4

Electrophoretic pattern of primers targeting toxA gene. Lane L: 100 bp molecular weight ladder (Fermentas, Thermo Scientific, Germany); lane Pos: the positive control (Reference strain from Animal Health Research Institute in Dokki, Cairo, Egypt), and lane Neg: the negative control (template without DNA). Lanes 1–7: the specific DNA product (396 bp) amplified from representative isolates of P. aeruginosa.