TABLE 2

Characteristics of Amdr laboratory-selected E. coli mutants

GeneNo. of mutantsNo. of different mutationsaMIC(s)
thrS4416–48
aspS76 (3 in promoter)12–16
gltX2216–32
ppa3296
mrdA2112–64
ubiE112
ubiX132
ispA112
rplL18
rpoB132
spoT124
cysB124
  • a For the specific mutations in these genes, see Table S1 in the supplemental material.