TABLE 2.
Abundance of antibiotic resistance genes recovered from the shower hose metagenomes
| ARG symbol | Function | Antibiotic resistance | Genome equivalents (%)a |
||||
|---|---|---|---|---|---|---|---|
| M1 | M3 | M4 | M5 | M6 | |||
| BL2b | β-Lactamase | Penicillin, cephalosporin | 10.9 | 23.1 | 6.2 | 0 | 2.5 |
| MfpA | Mycobacterium fluoroquinolone resistance protein A | Fluoroquinolone, ciprofloxacin, sparfloxacin | 4.2 | 17.6 | 4.3 | 16.7 | 5.5 |
| Aac2Ib | Aminoglycoside 2′-N-acetyltransferase | Netilmicin, tobramycin, dibekacin, gentamicin | 1.3 | 38.3 | 2.7 | 0 | 2.8 |
| Aph3Ic | Aminoglycoside O-phosphotransferase | Paromomycin, neomycin, kanamycin, lividomycin, ribostamycin, gentamicin B | 0 | 1.9 | 0 | 0.2 | 0 |
| Aac2Ic | Aminoglycoside N-acetyltransferase | Gentamicin, netilmicin, tobramycin, dibekacin | 0 | 0 | 0 | 18.7 | 31.6 |
| CeoB | Resistance-nodulation-division transporter system; multidrug resistance efflux pump | Chloramphenicol | 0 | 0 | 0 | 0 | 0.5 |
| BacA | Undecaprenyl pyrophosphate phosphatase | Bacitracin | 0 | 0 | 0 | 0 | 0.4 |
a
The values represent the genome equivalents of each gene calculated using its sequencing depth divided by the normalizing factor of the corresponding data set, outlined in Materials and Methods.