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Table 1 Summary of the characteristics of the 5 P. rettegeri strains, including antimicrobial resistance profiles and resistant genes

From: NDM-1 Metallo-β-Lactamase and ArmA 16S rRNA methylase producing Providencia rettgeri clinical isolates in Nepal

Strains Tissue sources Infection   MIC (mg/L) Antibiotics resistant genes
    PIP TZP CAZ FEP IPM DPM MEM ATM ABK AMK GEN CIP CST FOF TIG  
IOMTU1 Pus SSI 1,024 512 >1,024 64 32 16 64 1,024 >1,024 >1,024 >1,024 128 >128 512 4 bla NDM-1, bla OXA-10, bla VEB-1, bla TEM-1, bla ADC-67, armA, aadA1, aadA2
IOMTU4 Sputum NLRTI 1,024 128 >1,024 256 16 16 32 1,024 >1,024 >1,024 >1,024 >256 >128 512 4 bla OXA-72, bla OXA-10, bla VEB-1, bla TEM-1, bla ADC-67, armA, aadA1
IOMTU91 Sputum NLRTI >1,024 1,024 >1,024 1,024 64 32 64 1,024 >1,024 >1,024 >1,024 256 128 128 4 bla NDM-1, bla OXA-10, bla VEB-1, bla TEM-1, bla ADC-67, armA, aadA1
IOMTU94 Pus SSI 1,024 4 >1,024 256 2 1 1 >1,024 1,024 1,024 >1,024 256 >128 1,024 4 bla OXA-10, bla VEB-1, bla TEM-1, bla ADC-67, armA, aadA1
IOMTU99 Sputum NLRTI >1,024 512 >1,024 128 64 32 64 1,024 >1,024 >1,024 >1,024 >256 >128 1,024 4 bla NDM-1, bla VEB-1, bla OXA-10, bla TEM-1, bla ADC-67, armA, aadA1
  1. SSI, surgical site infection; NLRTI, nosocomial lower respiratory tract infection PIP, piperacillin; TZP, piperacillin/tazobactam; CAZ, ceftazidime; FEP, cefepime; IPM, imipenem; DPM, doripenem; MEM, meropenem; ATM, aztreonam; ABK, arbekacin; AMK, amikacin; GEN, gentamicin; CIP, ciprofloxacin; CST, colistin; FOF, fosfomycin; TIG, tigecycline.