Study of polymorphisms in tir, eae and tccP2 genes in enterohaemorrhagic and enteropathogenic Escherichia coli of serogroup O26

Table 2 tir β gene polymorphism (aa: amino acid, A: alanine, S: serine, T: threonine, K: lysine, E: glutamic acid)

	Number of strains			Polymorphism 1	Polymorphism 2	Polymorphism 3	Polymorphism 4	Polymorphism 5
				(S) 1080 G => T	(S) 1302 C => T	(NS) 133 T => G	(NS) insertion1 571 GATACAAAG	(S) 939 G => A
	Human	Bovine				45 aa: S => A	191 aa: TKE
	0	2	Genotype 1	+	-	-	-	+
	2	0	Genotype 2	-	+	-	+	+
	1	0	Genotype 3	-	-	+	-	+
	25	40	Genotype 4	-	-	-	-	+
Total	28	42

ISSN: 1471-2180