TABLE 1.

Antimicrobial susceptibility test results for CSF M. mucogenicum isolates

AntibioticaMIC (μg/ml) for:
M. mucogenicum ATCC 49650TStrain D3 (patient 1)Strain Coh (patient 2)
Penicillin>32>32>32
Amoxicillin1.510.75
AMC (disc, 20 μg + 10 μg)<4<4<4
Cefoxitin (disc, 30 μg)<8<8<8
Ceftriaxone>256>256>256
Imipenem0.750.500.75
Doxycycline1.510.125
Minocycline1.520.50
Clarithromycin0.0320.0160.125
Erythromycin111.5
Azithromycin0.1250.500.75
Amikacin10.501
Tobramycin (disc, 10 μg)>8<4>8
Ciprofloxacin0.1250.500.25
Ofloxacin0.7520.75
Sparfloxacin0.250.250.50
Rifampin>32>32>32
Metronidazole>256>256>256
Pipemidic acid (disc, 20 μg)>16>16>16
Colistin (disc, 50 μg)>2>2>2
Vancomycin>256>256>256
TMP-SMZ (disc, 1.25 μg + 23.75 μg)<2<2<2
  • a TMP-SMZ, trimethoprim-sulfamethoxazole; AMC, amoxicillin-clavulanate.