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. 2016 Nov 18;7:1834. doi: 10.3389/fmicb.2016.01834

FIGURE 3.

FIGURE 3

Detection and confirmation of Shigella-MCDA products. (A) Amplification products of Shigella-MCDA assay were visually detected by observation of the color change: tube 1, positive amplification of Shigella flexneri strain (ICDC-NPS001); negative control of Listeria monocytogenes strain (ATCC19114); negative control of Salmonella strain (ICDC-NPSa001); blank control (DW). (B) Agarose gel electrophoresis of Shigella-MCDA products was shown: lane M, DNA marker DL100; lane 1, Shigella-MCDA products of Shigella flexneris (ICDC-NPS001); lane 2, negative control (Listeria monocytogenes, ATCC19114); negative control (Salmonella, ICDC-NPSa001); lane 4, blank control (DW); (C) Lateral flow biosensor applied for visual detection of Shigella MCDA products: strip 1, positive amplification of Shigella flexneris (ICDC-NPS001); strip 2, negative control (Listeria monocytogenes, ATCC19114); strip 3, negative control (Salmonella, ICDC-NPSa001); strip 4, blank control (DW).