TABLE 3.

bla genotypes and β-lactam resistance phenotypes of K. pneumoniae isolates

K. pneu- moniae isolateGene contentMIC (μg/ml)a
blaTEMblaSHVblaVEBblaCTXPIPCFCXMFOXCTXCAZATMCAZ + CAFOX + CACF + CAPIP + CACTX + CAAMX
BM4498+128>256>2568644160.252164<0.125>256
BM4499+1282561688840.5848<0.125256
BM4500++128>256>256432240.258164<0.125>256
BM4501+++64>256>25641618<0.1254161<0.125>256
BM4502+++6425612828128320.25242<0.125>256
BM4503+128>2563248168144>4<0.125>256
BM4504++128>256>256432280.5484<0.125>256
BM4505+326464482562560.5444<0.25>256
BM4506++128>256>256166416320.2532321<0.125>256
BM4507++256>256>256832480.54324<0.125>256
BM4508128>256324161681444<0.125>256
BM4509++6425684441<0.125440.25<0.125>256
BM4510++256>256>256464880.252>1640.25>256
  • a Abbreviations: AMX, amoxicillin; ATM, aztreonam; CA, clavulanic acid at a fixed concentration of 2 μg/ml; CAZ, ceftazidime; CF, cephalothin; CTX, cefotaxime; CXM, cefuroxime; FEP, cefepime; FOX, cefoxitin; IMP, imipenem; PIP, piperacillin.