Table 3 Integrative conjugative elements (ICE) and transposons identified in the wastewater Enterococcus spp. genomes (n = 39)
Species | Common ICE | Function | Other Notable ICE | Function |
|---|---|---|---|---|
E. casseliflavus | Tn6098 Tn6084 Tn6000(EfcTn1) | α-galactoside metabolism Tetracycline resistance Tetracycline resistance | No other ICE detected |  |
E. faecalis | Tn6098 Tn5385 | α-galactoside metabolism Erythromycin, gentamicin, streptomycin, tetracycline, penicillin/β-lactam, mercury resistance | Tn917 Tn2008 Tn1545 ICESp23FST81 Tn6009 ICESde3396 Tn5301 Tn5276 ICESt1 | Tetracycline resistance Chloramphenicol, erythromycin, streptomycin, kanamycin resistance Sulfamethoxazole, trimethoprim, chloramphenicol, erythromycin, streptomycin resistance Tetracycline, chloramphenicol resistance, toxin-antitoxin system Mercury resistance Kanamycin, arsenic and cadmium resistance Nisin biosynthesis Nisin biosynthesis, sucrose fermentation Type II restriction modification system |
E. faecium | Tn6098 Tn5801 Tn6084 Tn6000(EfcTn1) ICESauTW20–2 ICESauT0131–2 ICESauJKD6008–2 ICESpsED99–1 ICESauMu3–1 | α-galactoside metabolism Tetracycline resistance Tetracycline resistance Tetracycline resistance Unknown Unknown Unknown Unknown Unknown | Tn2008 Tn1545 ICESde3396 ICESt1 ICEAusCo10a-1 10,750-RD.2 | See above See above See above See above Toxin-antitoxin system Type II restriction modification, spectinomycin, erythromycin resistance |
E. gallinarum | Tn6098 Tn6079 Tn6087 ICEsde3396 | α-galactoside metabolism Tetracycline, erythromycin resistance Tetracycline, antiseptic and antimicrobial resistance (unspecified) Kanamycin, arsenic and cadmium resistance | Tn2008 Tn1545 | See above See above |