Fig. 1
From: Use of nested PCR for the detection of trichomonads in bronchoalveolar lavage fluid
Detection of different trichomonads by nested PCR: GoldView-stained agarose gel showing the test results of trichomonad protozoa and other parasites. M, 100-bp DNA molecular size markers; +, positive control (Trichomonas vaginalis); ā, negative control (human DNA); 1, Toxoplasma gondii; 2, Giardia intestinalis; 3, Pentatrichomonas hominis; 4, Trichomonas vaginalis; 5, Trichomonas tenax