FIG. 2.
Southern blot hybridization with the p1-9, pSTF3, or pKP04 probes of XbaI- or HindIII-digested genomic DNAs of S. enterica serovar Typhimurium DT104 strain BN9181 carrying SGI1 (lanes 1), S. enterica serovar Newport strain 01-2174 carrying SGI1-H (lanes 2), and S. enterica serovar Newport strain 00-4093 carrying SGI1-L (lanes 3). The 9- and 4-kb XbaI fragments obtained with the p1-9 probe correspond to XbaI site positions 11949 and 20869 and 20869 and 24937, respectively (as shown in Fig. 1 and according to GenBank accession no. AF261825).