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. 1998 Mar 17;95(6):3134–3139. doi: 10.1073/pnas.95.6.3134

Figure 2.

Figure 2

PCR analysis of the left and right junctions of the VPI. (A) Similar sized fragments containing the left junction for all strains with primers KAR94/KAR97. (B) Similar sized fragments containing the right junction for all strains with KAR23/KAR87. Lanes: 1, 6th pandemic strain 395; 2, 7th pandemic strain N16961; 3, O139 Bengal strain AI1837; 4, U.S. Gulf coast strain E506; 5, 1937 Sulawesi strain 66–2; 6, non-O1/non-O139 CT-positive strain ATCC25872 from Czechoslovakia; 7, non-O1/non-O139 CT-positive strain S-21 from Sudan; center lane, 1-kb marker.