Research Article

Virulence Profiles, Phylogenetic Background, and Antibiotic Resistance of Escherichia coli Isolated from Turkeys with Airsacculitis

Table 2

Virulence and antibiotic resistance profiles in 225 strains of E. coli.

Virulence profilesPhylogroup ( )Total (%)

vat, irp2, cvi/cva, neuS, iroN, iss, iucD, tsh, ibeA B2 (17)17 (7.5)
irp2, cvi/cva, iroN, iss, iucD, tsh A (12), B1 (2), B2 (2)16 (7.1)
cvi/cva, iroN, iss A (5), B1 (5), B2 (3), D (1)14 (6.2)
irp2, cvi/cva, neuS, iroN, iss, iucD, tsh, ibeA B2 (8)8 (3.5)
iroN, iss A (3), B1 (4), B2 (1)8 (3.5)
cvi/cva, iroN, iss, iucD, tsh A (2), B1 (4), B2 (1)7 (3.1)
cvi/cva, iroN, iss, iucD B1 (6)6 (2.6)
iroN, iss, iucD B1 (3), B2 (1), D (1)5 (2.2)
irp2, iroN, iss, iucD B1 (4), B2 (1)5 (2.2)
vat, irp2, cvi/cva, iroN, iss, iucD, tsh, ibeA B2 (4), D (1)5 (2.2
Other 86 combinationsA (16), B1 (36), B2 (74), D (8)134 (59.5)

≥4 genesA (24), B1 (45), B2 (99), D (8)176 (78.3)
≥6 genesA (14), B1 (13), B2 (79), D (2)108 (48)
≥8 genesB2 (43), D (1)44 (19.6)

ATB resistance profilesPhylogroup ( )Total (%)

AMO, ERY, STR, TET, SUL, SXTA (6), B1 (3), B2 (4)13 (5.7)
NAL, ENR, NOR, AMO, ERY, STR, TET, SULA (3), B1 (8), D (1)12 (5.3)
ERY, TET, SULA (4), B1 (3), B2 (2), D (1)10 (4.4)
NAL, AMO, ERY, STR, TET, SUL, SXTA (1), B1 (4), B2 (4)9 (4)
ERY, SULB1 (1), B2 (6)7 (3.1)
NAL, ENR, NOR, AMO, ERY, STR, TET, SUL, SXTB1 (6)6 (2.7)
AMO, ERY, STR, TET, SULA (1), B1 (1), B2 (4)6 (2.7)
AMO, STR, TET, SUL, SXTB1 (2), B2 (3), D (1)6 (2.7)
ERY, STR, TET, SULB1 (1), B2 (4), D (1)6 (2.7)
ERY, STR, TET, SUL, SXTA (2), B1 (1), B2 (1), D (1)5 (2.2)
Other 98 combinationsA (21), B1 (34), B2 (84), D (6)145 (64.5)

≥3 ATBA (38), B1 (62), B2 (98), D (11)209 (92.9)
≥5 ATBA (24), B1 (53), B2 (35), D (5)117 (52)
≥8 ATBA (7), B1 (20), B2 (13), D (1)41 (18.3)