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. 2015 Jul 6;197(15):2593–2599. doi: 10.1128/JB.00188-15

TABLE 2.

Antibiotic resistances of opaque and translucent variants

Antibiotic MIC (μg/ml) for variants
Opaque Translucent
Tetracycline 2 2
Cefoxitin 96 96
Colistin 3 3
Rifampin 1.5 1.5
Gentamicin >256 32
Amikacin 256 128
Tobramycin 48 16
Trimethoprim NDa ND
Ciprofloxacin ND ND
Ceftriaxone ND ND
a

ND, not determined, as the MIC for each strain was above the level in the Etest strips.