Escherichia coli O7 type strain 687399 Escherichia coli O7 O7 type strain 687399 Pseudomonas syringae pv. tabaci, gene vioB 720475 Pseudomonas syringae 6605 pv. tabaci, gene vioB 720475 Shigella dysenteriae serotype 7 type strain, gene vioB 687399