Research Article
Molecular Characterization and Antimicrobial Resistance of Pathogenic Escherichia coli Strains in Children from Wolaita Sodo, Southern Ethiopia
Table 5
Antimicrobial resistance percentage of pathogenic Escherichia coli strains/virulence genes.
| Antimicrobial agents | Detected virulence genes/strains in children (N = 38) | Resistant pathogenic Escherichia coli strains or genes/(%) | STEC (n = 10) | Atypical EPEC (only eae+) (n = 5) | EAEC (eat gene) (n = 14) | EHEC (n = 3) | DAEC (dae gene) (n = 2) | St (ETEC) (n = 4) | Total | R | S | R | S | R | S | R | S | R | S | R | S | R | S |
| Ampicillin | 10(100) | — | 5(100) | — | 14 (100) | — | 3(100) | — | 2(100) | — | 4(100) | — | 38 (100) | — | Streptomycin | 9(90) | 1 (10) | 4(80) | 1 (20) | 14 (100) | — | 3(100) | — | 2(100) | — | 4(100) | — | 36 (94.7) | 2 (5.3) | Neomycin | 10(100) | — | 5(100) | — | 14 (100) | — | 3(100) | — | 2(100) | — | 4(100) | — | 38 (100) | — | Tetracycline | 8(80) | 2 (20) | 4(80) | 1 (20) | 12 (85.7) | 2 (14.3) | 2(66.7) | 1(33.3) | 2(100) | — | 4(100) | — | 32 (84.2) | 6 (15.8) | Ciprofloxacillin | — | 10 (100) | — | 5 (100) | — | 14 (100) | — | 3(100) | — | 2 (100) | 2(50) | 2 (50) | 2 (5.3%) | 36 (94.7) | Chloramphenicol | 6(60) | 4 (40) | 3(60) | 2 (40) | 9 (64.3) | 5 (35.7) | 1(33.3) | 2(66.7) | 2(100) | 2 (100) | 3(75) | 1 (25) | 24 (63.2) | 14 (36.8) | Trimethoprim | 6(60) | 4 (40) | 4(80) | 1 (20) | 11 (78.6) | 3 (21.4) | 1(33.3) | 2(66.7) | 2(100) | — | 4(100) | — | 28 (73.7) | 10 (26.3) | Norfloxacillin | 3(30) | 7 (70) | 3(60) | 2 (40) | 8 (57.1) | 6 (42.9) | — | 3(100) | 1(50) | 1 (50) | 3(75) | 1 (25) | 18 (47.4) | 20 (52.6) | Clindamycin | 10(100) | — | 4(80) | 1 (20) | 13 (92.9) | 1 (7.1) | 3(100) | — | 2(100) | — | 4(100) | — | 36 (94.7) | 2 (5.3) | Sulphonamides | 5(50) | 5(50) | 4(80) | | 12 (85.7) | 2 (14.3) | 2(66.7) | 1(33.3) | 2(100) | — | 4(100) | — | 29 (76.3) | 9 (23.7) |
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N = number of strains; R = resistant; S = susceptible.
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