FIG. 1.
Southern blot analysis of SE-unidentified S. aureus Fukuoka 5 isolate under the low-stringency condition. HindIII (H)-, XbaI (X)-, and EcoRI (E)-digested total DNA of the S. aureus Fukuoka 5 strain (F5, food poisoning outbreak-related strain, SE unidentified) and the Fukuoka 1 strain (F1, positive control [PC]; seg and sei positive) were subjected to Southern hybridization using a seg probe.