Figure 1.

Agarose gel electrophoresis of kit eluates. (a) DNA yields after extraction with four different kits. From left: QIAamp Fast DNA Stool Mini Kit, QIAamp DNA Stool Mini Kit, DNeasy Blood & Tissue Kit and QIAamp cador Pathogen Kit. Faint smears observed in the DNeasy Blood & Tissue kit and the QIAamp cador Pathogen kit lanes. (b) DNA yields after bead beating pretreatment and extraction with QIAamp cador Pathogen kit. L, DNA ladder. S1, S2 and S3, fecal extracts.