TABLE 2.

Distribution of plasmid and chromosomal genes among EAEC strains

Strain	ET no.a	Location	Serotype	Probe resultb
				Plasmid gene							Chromosomal gene
				CVD432	shf	AAF/I	pet	AAF/II	aggR	aspU	she	irp2
60A	1	Mexico	NDc	+		+			+	+	+	+
JM221	2	Mexico	O92:H33	+		+			+	+	+
S62-1	3	China	ND		+							+
RD8	5	Franced	O111:H2	+	+		+	+	+	+	+
E165a	6	China	ND	+	+				+	+	+	+
H232-1	6	Peru	ND	+	+				+	+	+	+
1123A	6	China	ND							+
495-1	6	Thailand	O130:H27	+		+			+	+	+	+
E258a	8	China	ND	+						+
006-1	9	Thailand	Rough:H2	+	+				+	+		+
253-1	9	Thailand	O3:H2	+	+	+			+	+		+
17-2	9	Chile	O3:H2	+	+	+			+	+		+
101-1	11	Japand	O?:H10		+			+		+
501-1	20	Thailand	Rough:H53
H223-1	21	Peru	ND	+	+				+	+	+	+
133	21	Peru	ND	+	+						+	+
C1096	34	Serbiad	O4:H?									+
49766	35	Mexico	O?:H10		+	+	+				+	+
PERU10	37	Peru	ND	+	+	+			+	+
H38-1	37	Peru	ND	+	+	+			+	+		+
O42	38	Peru	O44:H18	+	+		+	+	+	+	+	+
65126	39	Mexico	ND		+						+	+
144-1	40	Thailand	O77:H−	+	+				+	+		+
44-1	42	Thailand	O36:H18	+					+	+	+	+
H145-1	43	Peru	ND	+		+			+	+	+	+
PERU49	43	Peru	ND	+	+		+	+	+	+	+	+
309-1	43	Thailand	O130:H27	+		+			+	+	+	+
159c	43	Mexico	ND	+		+			+	+		+
103-1	44	Thailand	O148:H28	+						+		+
201-1	44	Thailand	O81:H−							+
K276-1	45	Israel	ND		+
34b	49	India	O?:H11	+								+
435-1	50	Thailand	O33:H16	+			+	+	+	+	+	+
E22a	51	China	ND
358-1	51	Thailand	O125ac:H12	+	+				+	+	+
199-1	52	Thailand	Rough:H1	+	+		+	+	+	+	+	+
DS244-R3	52	Philippines	ND	+	+		+	+	+	+	+	+
216-1	52	Thailand	Rough:H27	+			+	+	+	+	+
H194-2	53	Peru	ND	+		+			+	+	+	+
278-1	54	Thailand	O125ac:H21	+					+	+	+	+
232-1	54	Thailand	O127:H21	+					+	+	+	+
239-1	54	Thailand	Rough:H21	+						+	+	+
H32-1	ND	Peru	ND	+	+	+			+	+		+
H46-2	ND	Peru	ND	+		+			+	+	+	+
No. (%) of strains hybridiz-ing with gene probe				34 (77)	22 (50)	14 (32)	8 (18)	8 (18)	29 (66)	35 (80)	25 (57)	32 (73)

^aArbitrarily assigned from the dendrogram in Fig. 2. 

^bFor AA strains only. Blank spaces signify negative probe result. 

^cND, not done. 

^dOutbreak strain.