TABLE 3.
Prevalences of VF genes for each phylogenetic group
| Phylogroup | Resistance group (na) | No. (%) of isolates with indicated geneb
|
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Adhesin gene
|
Iron uptake system gene
|
Toxin gene
|
Cell protection gene
|
Other
|
|||||||||
| iha | pap | sfa/foc | aer | iroN | cnf1 | hly | cvaC | kpsMT | ibeA | usp | ETTT | ||
| A | FQREC (5) | 2 (40) | 0 | 0 | 5 (100) d | 1 (20) | 0 | 0 | 1 (20) | 3 (60) | 0 | 0 | 3 (60) |
| FQSEC (5) | 1 (20) | 0 | 0 | 1 (20) | 0 | 0 | 0 | 0 | 1 (20) | 0 | 0 | 4 (80) | |
| B1 | FQREC (9) | 0 | 0 | 0 | 4 (44) | 5 (56) | 0 | 0 | 2 (22) | 1 (11) | 0 | 0 | 8 (89) |
| FQSEC (4) | 0 | 0 | 0 | 0 | 1 (25) | 0 | 0 | 0 | 0 | 0 | 0 | 3 (75) | |
| B2 | FQREC (44) | 40 (91) | 6 (14) b | 1 (2.3) b | 42 (95) a | 0 a | 0 a | 4 (9.1) b | 0 d | 36 (82) c | 2 (4.5) a | 43 (98) | 9 (20) a |
| FQSEC (69) | 25 (36) | 31 (45) | 21 (30) | 30 (43) | 24 (35) | 26 (38) | 29 (42) | 7 (10) | 68 (99) | 29 (42) | 69 (100) | 0 | |
| D | FQREC (31) | 17 (55) b | 16 (52) d | 0 | 25 (81) a | 1 (3.2) d | 0 | 3 (9.7) | 1 (3.2) | 26 (84) | 3 (9.7) | 6 (19) | 27 (87) |
| FQSEC (11) | 0 | 1 (9.1) | 0 | 1 (9.1) | 3 (27) | 0 | 0 | 2 (18) | 11 (100) | 4 (36) | 4 (36) | 7 (64) | |
a
n, no. of isolates.
b
Letters indicate P values for results for FQREC versus those for FQSEC: a, P < 0.0001; b, P < 0.001; c, P < 0.01; d, P < 0.05.