Figure 3

Agarose gel electrophoresis analysis of Sh110/Sm-Sl PCR amplified products from different collected snails. Lane 1–11: pool of 5 snails was tested per lane; Lane 12: Negative control; Lane 13 and 14: DNA preparation negative control; Lane 15: Spiking control (S. haematobium DNA was added to known negative snail tissue), Lane 16: Positive control (pure S. haematobium DNA), and. M: size marker (base pair).