FIG. 4.

Presence of the yts1D (A) and yts2D (B) genes among different Yersinia representatives. PCR was performed on purified chromosomal DNA with oligonucleotide primers specific for the yts1D and yts2D genes, respectively. Lanes: 1, Y. pseudotuberculosis H141/84; 2, Y. pseudotuberculosis H457/86; 3, Y. pseudotuberculosis IP3295; 4, Y. pseudotuberculosis 346; 5, Y. pestis KIM; 6, Y. pestis KUMA; 7, Y. pestis TS; 8, Y. enterocolitica O:5 (NF-O); 9, Y. enterocolitica O:9; 10, 100-bp ladder; 11, Y. enterocolitica O:3; 12, Y. enterocolitica O:9; 13, Y. enterocolitica O:8 (WA-314); 14, Y. enterocolitica O:8 8081; 15, Y. enterocolitica O:13; 16, Y. enterocolitica O:20; 17, Y. enterocolitica O:21