Research Article

Molecular and Clinical Characterization of Giardia duodenalis Infection in Preschool Children from Lisbon, Portugal

Figure 2

Electrophoretic separation of β-giardin PCR products (511 bp). Lanes 1–9, G. duodenalis positive samples through microscopy; lanes (+), positive control (G. duodenalis DNA, strain Portland-1, ATCC 30888DTM LGC Promochem); lanes M, 100 bp ladder; lanes Nt1 and Nt2, negatives controls (no DNA) from the first and the second PCR reaction, respectively.
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