FIG. 4.
Comparison of the typing results between PCR-RFLP and PFGE. (A) PFGE patterns of STEC strains isolated in Okayama and Nagano digested by XbaI or ApaI. Lanes: 1 and 6, lambda ladder; 2, 1-A (Okayama, Japan), XbaI; 3, 3-C (Nagano, Japan), XbaI; 4, 1-A (Okayama, Japan), ApaI; 5, 3-C (Nagano, Japan), ApaI. Field inversion gel electrophoreses of BglI digest (B) and EcoRV digest (C) of LA-PCR products of 1-A (Okayama, Japan) and 3-C (Nagano, Japan). Lanes: 1, λ-HindIII digest; 2 and 5, 1-kb DNA ladder; 3, 1-A (Okayama, Japan); 4, 3-C (Nagano, Japan).