Prevalence of silent antimicrobial resistance genes in different bacteria species_
| Microorganism | Gene | Number of strains tested | Number of susceptible strains carrying antimicrobial resistance genes | Percent of susceptible strains carrying antimicrobial resistance genes | Reference | |
|---|---|---|---|---|---|---|
| Aminoglycoside: streptomycin | Escherichia coli | aadA | 172 | 49 | 28.49% | Lanz et al. 2003 |
| Salmonella spp. | aadA1 | 30 | 1 | 3.33% | Ma et al. 2007 | |
| aadA2 | 1 | 3.33% | ||||
| Escherichia coli | aadA | 615 | 5 | 0.81% | Enne et al. 2008 | |
| strAB | 1 | 0.16% | ||||
| Chloramphenicol | Salmonella spp. | catA1 | 40 | 16 | 40.00% | Deekshit et al. 2012 |
| Salmonella spp. | catA | 120 | 8 | 6.67% | Adesijij et al. 2014 | |
| β-lactams: carbapenem | Klebsiella pneumoniae | IMP-type | 140 | 35 | 25.00% | Walsh 2005 |
| Acinetobacter baumannii | blaOXA-23 | 31 | 5 | 16.13% | Carvalho et al. 2011 | |
| Sulfometaxazole/trimetoprim | Vibrio parahaemolyticus | sul2 | 87 | 69 | 79.31% | Jiang et al. 2014 |
| Tetracycline | Streptococcus pyogenes | tetM | 125 | 88 | 70.40% | Brenciani et al. 2007 |
| Metronidazole | Bacteroides spp. | nim | 206 | 12 | 5.83% | Gal and Brazier 2004 |