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[Giardia intestinalis (syn. Giardia lamblia)]

A

A: Agarose gel (2%) analysis of a PCR diagnostic test for detection of Giardia DNA.  PCR was performed using primers JW1/JW2.¹

• Lane S: Molecular base pair standard (100-bp ladder).  Black arrows show the size of standard bands.
• Lane 1: Giardia intestinalis positive fecal specimen.  The red arrow shows the diagnostic band for G. intestinalis (size: 183 bp).

Reference:

Weiss JB, van Keulen H, Nash TE. Classification of subgroups of Giardia lamblia based upon ribosomal RNA gene sequences using the polymerase chain reaction. Mol Biochem Parasitol 1992;54:73-86.