Figure 4From: tkt1, located on a novel pathogenicity island, is prevalent in avian and human extraintestinal pathogenic Escherichia coliTkt1 could not complement TktA in E. coli K12. 1, APEC O1; 2, APEC O1 M tkt1 ; 3, APEC O1 M tktA ; 4, BJ502; 5, BJ502-P1; 6, BJ502-P2 and 7 BJ502-P3.Back to article page