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. 2001 Jun;39(6):2300–2305. doi: 10.1128/JCM.39.6.2300-2305.2001

TABLE 3.

Confirmation of PCR results by DNA hybridizationa

Source Total no. of strains No. of strains
stx prrA
modD
yc73
fepC
R1-R2
PCR H PCR H PCR H PCR H PCR H
Patient 3 3+ 3+ 3+ 3+ 3+ 3+ 3+ 3+ 3+ 3− 3−
Chick 1 1+ 1+ 1+ 1+ 1+ 1+ 1+ 1+ 1+ 1− 1−
Patient 1 1+ 1+ 1+ 1− 1+ 1+ 1+ 1+ 1+ 1− 1−
Pig 1 1+ 1+ 1+ 1− 1+ 1+ 1+ 1+ 1+ 1− 1−
Goat 1 1+ 1+ 1+ 1− 1+ 1+ 1+ 1+ 1+ 1−
Patient 1 1+ 1+ 1+ 1+ 1+ 1− 1+ 1+ 1+ 1− 1−
Patient 1 1+ 1+ 1+ 1− 1+ 1− 1+ 1+ 1+ 1− 1−
Pig 2 2− 2− 2− 2− 2− 2− 2− 2− 2− 2− 2−
Goat 2 2− 2− 2− 1−1+ 2− 2− 2− 2− 2− 2− 2−
E. coli HB101 1 1− 1− 1− 1− 1− 1− 1− 1− 1− 1− 1−
UPEC CFT073 1 1− 1+ 1+ 1+ 1+ 1+ 1+ 1+ 1+ 1+ 1+
a

PCR and Southern hybridization (H) results are compared. The number positive (+) and the number negative (−) indicate the numbers of strains showing the presence and absence of the gene analyzed, respectively.