Table 4 Prevalence of selected antimicrobial resistance genes in E. coli isolates obtained from manure, soil, feces and vegetables in Addis Ababa, Ethiopia.
Encode resistance to | Source of Salmonella isolates | No. of resistant isolates | Tested resistant genes | No. of positive (%) |
|---|---|---|---|---|
Tetracycline | Manure | 4 | tet (A) | 1 (25) |
tet (B) | 3 (75) | |||
tet (C) | 0 | |||
Soil | 1 | tet (A) | 0 | |
tet (B) | 1 (100) | |||
tet (C) | 0 | |||
Vegetables | 2 | tet (A) | 1 (50) | |
tet (B) | 0 | |||
tet (C) | 0 | |||
Feces | 0 | tet (A) | 0 | |
tet (B) | 0 | |||
tet (C) | 0 | |||
Ampicillin | Manure | 3 | blaTEM | 3 (100) |
Soil | 1 | blaTEM | 1(100) | |
Vegetables | 2 | blaTEM | 1 (50) | |
Feces | 3 | blaTEM | 1 (33.3) | |
Gentamicin | Manure | 6 | aac(3)-IV | 3 (50) |
Soil | 2 | aac(3)-IV | 1 (50) | |
Vegetables | 7 | aac(3)-IV | 5 () | |
Feces | 1 | aac(3)-IV | 1(100) | |
Streptomycin | Manure | 7 | aadA | 4 (57.1) |
Soil | 4 | aadA | 4(100) | |
Vegetables | 6 | aadA | 4 (66.6) | |
Feces | 4 | aadA | 4 (100) | |
Sulfonamide | Manure | 4 | sulI | 2 (50) |
sulII | 1 (25) | |||
Soil | 5 | sulI | 0 | |
sulII | 4 (80) | |||
Vegetables | 3 | sulI | 1 (33.3) | |
sulII | 2 (66.6) | |||
Feces | 2 | sulI | 1 (50) | |
sulII | 0 |
