Table 4.

Test results of the 149 strains of intestinal bacteria using oligonucleotide microarray

Strains	Number	stx1	stx2	uidA	ctxA	tcpA	LPSgt
E. coli O157:H7	8(5.3%)	+	+	+	-	-	-
E. coli O157: non H7	2(1.3%)	+	+	-	-	-	-
E. coli O157: nonH7	3(2.0%)	+	-	-	-	-	-
EIEC	2(2.0%)	+	-	-	-	-	-
Vibrio cholerae O139	74(49.7%)	-	-	-	+	+	+
Vibrio cholerae O1	2(1.3%)	-	-	-	+	+	-
Vibrio cholerae Non O1 non O139	3(2.0%)	-	-	-	-	-	-
Other pathogens	55(36.9%)	-	-	-	-	-	-

^a American Type Culture Collection (ATCC) accession number