Skip to main content
. 2019 Nov 22;99(2):1088–1095. doi: 10.1016/j.psj.2019.10.047

Table 2.

Distribution of serotypes and antimicrobial resistance genes of avian pathogenic E. coli.

O serogroup No. of isolates No. of isolates carried target gene (%)
β-Lactamases
 Aminoglycoside-modifying enzymes
 Plasmid-mediated quinolone
 Tetracyclines
 Sulfonamide
 Chloramphenicol
blaTEM-1 blaCTX-M-1 blaCTX-M-15 aac (3)-II qnrA qnrS tetA tetB tetC sul1 sul2 catA1 cmlA
O78 16 6 (37.5) - - 3 (18.8) 1 (6.3) - 6 (37.5) 3 (18.8) - 1 (6.3) 3 (18.8) 1 (6.3) -
O2 7 -5 - - - - - 4 (57.1) - - - 3 (42.8) - -
O53 7 - - - 1 (14.3) - - - - - - - - -
O3 3 1 (33.3) - - - - - - - - - 1 (33.3) - -
O86 3 - - - - 1 (33.3) - 3 (100.0) 1 (33.3) - - - - 1 (33.3)
O174 3 - 3 (100.0) - - - - 3 (100.0) - - - - - -
O8 2 - - 1 (50.0) - - - 1 (50.0) - - - - - -
O9 2 2 (100.0) - 1 (50.0) - 2 (100.0) - 2 (100.0) - - 1 (50.0) - - -
O25 2 2 (100.0) - - - - - 2 (100.0) - - 1 (50.0) 1 (50.0) - -
O45 2 1 (50.0) - - - - - - 1 (50.0) 1 (50.0) - 1 (50.0) 1 (50.0) -
O115 2 - - - - 1 (50.0) - 1 (50.0) - - - 1 (50.0) 2 (100.0) -
O132 2 - - - - 1 (50.0) - 1 (50.0) - - 1 (50.0) - - -
O142 2 1 (50.0) - - - - - - 1 (50.0) - - 2 (100.0) - 1 (50.0)
O11 1 1 (100.0) - - - - - - 1 (100.0) - - 1 (100.0) - -
O37 1 - - - - - - - - - - - - -
O60 1 - - - - - 1 (100.0) 1 (100.0) - - - 1 (100.0) - -
O76 1 1 (100.0) - - - - - - - - - - - -
O88 1 1 (100.0) 1 (100.0) - - 1 (100.0) - 1 (100.0) - - - 1 (100.0) - -
O99 1 - - - - - - 1 (100.0) - - 1 (100.0) 1 (100.0) - -
O103 1 1 (100.0) - - - - 1 (100.0) - 1 (100.0) - - - - -
O104 1 - - - - - - - - - - - - -
O111 1 - - - - - - - - - - - - -
O146 1 - - - - - - - 1 (100.0) - - - - -
O158 1 1 (100.0) - - - - - 1 (100.0) - - - 1 (100.0) - -
O161 1 - - - - - - 1 (100.0) - - - - - -
O166 1 - - - - - - 1 (100.0) - - - - 1 (100.0) -
O173 1 1 (100.0) - - - - - 1 (100.0) - - - 1 (100.0) - -
Ogp61 1 1 (100.0) - - - - - 1 (100.0) - - - - - -
Ogp82 1 - - - - 1 (100.0) - 1 (100.0) - - - 1 (100.0) - -
Ogp143 1 1 (100.0) - - - - - 1 (100.0) - - - - - -
ONT4 9 2 (22.2) - 1 (11.1) - 2 (22.2) - 4 (44.4) 1 (11.1) 1 (11.1) - 1 (11.1) - 3 (33.3)
Total 79 23 (29.1) 4 (5.1) 3 (3.8) 4 (5.1) 10 (12.7) 2 (2.5) 37 (46.8) 10 (12.7) 2 (2.5) 5 (6.3) 20 (25.3) 5 (6.3) 5 (6.3)
1

O46 or O134.

2

O107 or O117.

3

O62 or O68.

4

Not grouped.

5

Not detected.