Table 2. Resistance phenotypes and bla genotypes of the four selected bacteria.

Strains identification (16S rRNA gene sequencing)	Resistance phenotype	β-lactamase genes
Acinetobacter spp.	AML, AMC, TIM, ATM, IPM, KF, FOS, FOX, CFP, CIP, S, E, C, SxT, TE	–
K. pneumoniae	AML, AMC, TIM, ATM, IPM, KF, FOS, FOX, CFP, CIP, S, E, C, SxT, TE	blaOXA-aer; blaTEM; blaSHV
P. fluorescens	AML, AMC, TIC, TIM, ATM, IPM, KF, FOS, FOX, CTX, E, C, SxT, TE	blaOXA-aer
S. putrefaciens	AML,AMC, IPM, KF, FOS, E	–

Notes.

Amoxicillin (AML₁₀), amoxicillin/clavulanic acid (AMC₃₀), ticarcillin (TIC₇₅), ticarcillin/clavulanic acid (TIM₈₅), piperacillin (PRL₁₀₀), piperacillin/tazobactam (TZP₁₁₀), cephalothin (KF₃₀), cefoxitin (FOX₃₀), ceftriaxone (CRO₃₀), cefoperazone (CFP₃₀), ceftazidime (CAZ₃₀), cefotaxime (CTX₃₀), cefepime (FEP₃₀), imipenem (IPM₁₀), aztreonam (ATM₃₀), streptomycin (S₁₀), kanamycin (K₃₀), amikacin (AK₃₀), gentamicin (CN₁₀), tobramycin (TOB₁₀), nalidixic acid (NA₃₀), ciprofloxacin (CIP₅), erythromycin (E₁₅), tetracycline (TE₃₀), trimethoprim-sulfamethoxazole (SXT₂₅), chloramphenicol (C₃₀) and fosfomycin (FOS₅₀).