TABLE 3.

MICs for AmpC inducibility mutant series of Enterobacteriaceae

StrainaMIC (μg/ml)b
DORMEMIMPERTPTZAZTCAZCPMAMP
C. freundii
    C20.060.030.50.01520.250.50.06>64
    C2-CON0.060.030.250.1253216321>64
    C2-DEF0.060.0150.25<0.00820.1250.50.0616
    C40.1250.0310.01516120.06>64
    C4-CON0.030.030.50.0344320.125>64
    C4-DEF0.060.030.5<0.00810.1251<0.0332
    C100.030.0150.5<0.00840.060.25<0.0332
    C10-CON0.030.030.50.0384320.06>64
    C10-DEF0.030.0150.06<0.00810.060.125<0.034
    C120.030.0150.25<0.00840.1250.5<0.0316
    C12-CON0.1250.0610.0684320.06>64
    C12-DEF<0.008<0.0080.06<0.00810.060.25<0.034
E. cloacae
    84-CON0.060.060.250.53264>642>64
    84-DEF0.030.0150.25<0.00840.510.0664
    100-CON0.060.030.250.0152220.06>64
    100-DEF<0.008<0.008<0.03<0.008<0.125<0.03<0.03<0.030.5
    6840.060.030.50.0340.1250.50.125>64
    684-CON0.060.060.250.253232641>64
    684-DEF0.060.0150.25<0.00820.060.125<0.034
S. marcescens
    S20.060.0320.03160.1250.1250.06>64
    S2-CON0.060.0310.03>64421>64
    S2-DEF0.060.0320.015160.1250.250.06>64
    S70.060.030.250.03160.1250.1250.125>64
    S7-CON0.060.0310.0332821>64
    S7-DEF0.1250.0620.03160.1250.250.125>64
M. morganii
    M10.50.12540.030.25<0.030.06<0.03>64
    M1-CON0.50.12520.03<0.1250.54<0.03>64
    M1-DEF0.250.061<0.0080.25<0.030.06<0.034
    M3-CON0.50.12520.030.50.516<0.03>64
    M3-DEF0.250.0620.0150.25<0.030.06<0.032
    M60.060.0310.0150.25<0.030.06<0.0364
    M6-CON0.50.12520.030.250.058<0.03>64
    M6-DEF0.250.0610.0150.25<0.030.06<0.034
P. vulgaris
    VA10.50.12540.0310.060.1250.125>64
    VA1-CON0.250.0620.0150.50.060.1250.125>64
    VA1-DEF0.1250.030.5<0.0080.5<0.03<0.03<0.0332
    V20.250.0620.0151<0.030.060.125>64
    V2-CON0.1250.0310.01510.060.1250.25>64
    V2-DEF0.1250.0310.0150.5<0.03<0.030.0632
    V30.250.0620.0150.5<0.03<0.030.06>64
    V3-CON0.250.0620.0150.50.1250.1250.25>64
    V3-DEF0.250.0610.0150.50.060.060.0632
  • a CON, constitutively hyperproducing AmpC enzyme irrespective of induction; DEF, deficient: making only a trace amount of AmpC enzyme irrespective of induction.

  • b Abbreviations for antibiotics are as defined in Table 2.